How to Convert HTML to PDF in C# .NET Core

Q: 如何將實時網址轉換為 PDF 文件？

您可以使用 IronPDF 將實時網址轉換為 PDF 文件，方法是通過 NuGet 安裝程式庫，建立一個 ChromePdfRenderer 實例，然後調用 RenderUrlAsPdf 方法，使用您想要轉換的網頁網址。

Q: 將 Razor 視圖轉換為 PDF 的步驟是什麼？

要將 Razor 視圖轉換為 PDF，請將視圖呈現為 HTML 字串，然後將其傳遞給 IronPDF 的 RenderHtmlAsPdf 方法。這允許從 MVC 視圖建立具有完整資料繫結的動態 PDF。

Q: 現有的 PDF 文件可以被修改嗎？

可以，使用 IronPDF 可以修改現有的 PDF 文件。使用 PdfDocument.FromFile 載入 PDF，然後應用修改，例如合併、新增頁眉/頁腳或更改安全設置。

Q: 有哪些選項可用於渲染 PDF？

IronPDF 通過 ChromePdfRenderOptions 提供各種渲染選項。您可以自訂紙張大小、方向、邊距等，確保您的 PDF 符合特定的佈局和樣式要求。

Q: 是否可以將數位簽名新增到 PDF 文件？

是的，可以使用 PdfSignature 類將數位簽名新增到 PDF 文件。通過使用 Sign 方法和憑證文件，您可以確保文件的真實性和完整性。

Q: IronPDF 為 PDF 提供了哪些安全功能？

IronPDF 提供強大的安全功能，包括密碼保護、加密和存取控制。通過 SecuritySettings 屬性設置這些功能，以管理查看、列印和編輯的權限。

Q: 如何從 PDF 文件中提取文字和圖像？

可以使用 IronPDF 的 ExtractAllText 和 ExtractAllImages 方法從 PDF 文件中提取文字和圖像。這些方法允許從整個文件或特定頁面處理資料。

Q: 如何將水印應用到 PDF 文件？

可以通過使用 IronPDF 的 Watermark 屬性與 HtmlStamp 物件一起將水印應用到 PDF 文件中。對於更高級的需求， HtmlStamper 類支持具有可自訂樣式的基於 HTML 的印章。

Jacob Mellor

Updated: 2026年9月17日

由於PDF格式的嚴格標準，從不同格式轉換為PDF可能具有挑戰性。在很多情況下，尤其是處理HTML和CSS樣式時，轉換可能無法實現一對一的匹配。然而，在當今的數位環境中，將URL和表單（包括HTML和CSS）轉換的能力是必不可少的。這就是IronPDF的優勢所在，它提供了直觀的功能，使得開發者能夠以高保真度將各種格式轉換為PDF，通常只需幾行程式碼。

使用IronPDF，您可以輕鬆地將HTML、DOCX、RTF、Markdown甚至圖像轉換為PDF，保證文件的完整性。它還支持從流行框架如Razor、CSHTML、ASPX和XAML中轉換動態網頁，消除了相容性問題，使IronPDF成為您所有PDF轉換需求的全面解決方案。

除了簡單的轉換之外，IronPDF還提供了強大的自定義選項。您可以自定義PDF輸出，使用自定義邊距、頁眉和頁腳來包含頁碼，調整灰度設置以減少文件大小。通過新增目錄、自動分頁和內容縮放到理想文件尺寸的功能來增強您的文件。

在本教程中，我們將探索這些功能及更多，提供程式碼範例並突顯IronPDF的關鍵特性。準備好改變您的PDF轉換流程了嗎？使用IronPDF輕鬆地轉換、定制和優化您的PDF文件。

快速入門：使用IronPDF將HTML轉換為PDF

開始使用IronPDF，在.NET Core中輕鬆將HTML轉換為PDF。只需一行程式碼，您就可以使用IronPDF強大的API從HTML字串渲染出像素完美的PDF。本指南將向您展示如何快速將IronPDF整合到您的專案中，實現更加簡單流暢的PDF生成。無論您是在轉換HTML、URL或Razor視圖，IronPDF都能簡化流程，使各個層級的開發人員能夠輕鬆上手。今天就開始轉換，當您準備好的時候探索高級功能。

1Install IronPDF with NuGet Package Manager
PM > Install-Package IronPdf
```
Install-Package IronPdf
```

2複製並運行這段程式碼片段。

var pdf = new IronPdf.ChromePdfRenderer().RenderHtmlAsPdf("<h1>Hello, PDF!</h1>");

var pdf = new IronPdf.ChromePdfRenderer().RenderHtmlAsPdf("<h1>Hello, PDF!</h1>");

3部署以在您的實時環境中測試

今天就開始在您的專案中使用IronPDF，透過免費試用

多功能PDF轉換
動態網頁到PDF
網頁可存取性
定制化PDF轉換
優化PDF版面

多功能PDF轉換

從HTML字串生成PDF

要從HTML字串生成PDF，我們可以使用RenderHtmlAsPdf方法快速將HTML字串轉換為像素完美的PDF。

using IronPdf;

// Instantiate Renderer
var renderer = new ChromePdfRenderer();

// Create a PDF from a HTML string using C#
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>");

// Export to a file or Stream
pdf.SaveAs("output.pdf");

using IronPdf;

// Instantiate Renderer
var renderer = new ChromePdfRenderer();

// Create a PDF from a HTML string using C#
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>");

// Export to a file or Stream
pdf.SaveAs("output.pdf");

Imports IronPdf

' Instantiate Renderer
Private renderer = New ChromePdfRenderer()

' Create a PDF from a HTML string using C#
Private pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>")

' Export to a file or Stream
pdf.SaveAs("output.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer = New ChromePdfRenderer()

' Create a PDF from a HTML string using C#
Private pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>")

' Export to a file or Stream
pdf.SaveAs("output.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

從HTML生成PDF

通過我們的RenderHtmlAsPdf方法輕鬆將HTML文件轉換為PDF，迅速保存像素完美的PDF。

using IronPdf;
using IronPdf.Engines.Chrome;
using IronPdf.Rendering;


var renderer = new ChromePdfRenderer
{
    RenderingOptions = new ChromePdfRenderOptions
    {
        CssMediaType = PdfCssMediaType.Print,
        MarginBottom = 0,
        MarginLeft = 0,
        MarginRight = 0,
        MarginTop = 0,
        Timeout = 120,
    },
};
renderer.RenderingOptions.WaitFor.RenderDelay(50);

// Create a PDF from an existing HTML file using C#
var pdf = renderer.RenderHtmlFileAsPdf("example.html");

// Export to a file or Stream
pdf.SaveAs("output.pdf");

using IronPdf;
using IronPdf.Engines.Chrome;
using IronPdf.Rendering;


var renderer = new ChromePdfRenderer
{
    RenderingOptions = new ChromePdfRenderOptions
    {
        CssMediaType = PdfCssMediaType.Print,
        MarginBottom = 0,
        MarginLeft = 0,
        MarginRight = 0,
        MarginTop = 0,
        Timeout = 120,
    },
};
renderer.RenderingOptions.WaitFor.RenderDelay(50);

// Create a PDF from an existing HTML file using C#
var pdf = renderer.RenderHtmlFileAsPdf("example.html");

// Export to a file or Stream
pdf.SaveAs("output.pdf");

Imports IronPdf
Imports IronPdf.Engines.Chrome
Imports IronPdf.Rendering


Private renderer = New ChromePdfRenderer With {
	.RenderingOptions = New ChromePdfRenderOptions With {
		.CssMediaType = PdfCssMediaType.Print,
		.MarginBottom = 0,
		.MarginLeft = 0,
		.MarginRight = 0,
		.MarginTop = 0,
		.Timeout = 120
	}
}
renderer.RenderingOptions.WaitFor.RenderDelay(50)

' Create a PDF from an existing HTML file using C#
Dim pdf = renderer.RenderHtmlFileAsPdf("example.html")

' Export to a file or Stream
pdf.SaveAs("output.pdf")

Imports IronPdf
Imports IronPdf.Engines.Chrome
Imports IronPdf.Rendering


Private renderer = New ChromePdfRenderer With {
	.RenderingOptions = New ChromePdfRenderOptions With {
		.CssMediaType = PdfCssMediaType.Print,
		.MarginBottom = 0,
		.MarginLeft = 0,
		.MarginRight = 0,
		.MarginTop = 0,
		.Timeout = 120
	}
}
renderer.RenderingOptions.WaitFor.RenderDelay(50)

' Create a PDF from an existing HTML file using C#
Dim pdf = renderer.RenderHtmlFileAsPdf("example.html")

' Export to a file or Stream
pdf.SaveAs("output.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

從URL生成PDF

使用RenderUrlAsPdf只需幾行程式碼即可快速將URL轉換為PDF。將URL作為參數輸入，輕鬆保存。

using IronPdf;

// Instantiate Renderer
var renderer = new ChromePdfRenderer();

// Create a PDF from a URL or local file path
var pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page");

// Export to a file or Stream
pdf.SaveAs("url.pdf");

using IronPdf;

// Instantiate Renderer
var renderer = new ChromePdfRenderer();

// Create a PDF from a URL or local file path
var pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page");

// Export to a file or Stream
pdf.SaveAs("url.pdf");

Imports IronPdf

' Instantiate Renderer
Private renderer = New ChromePdfRenderer()

' Create a PDF from a URL or local file path
Private pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

' Export to a file or Stream
pdf.SaveAs("url.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer = New ChromePdfRenderer()

' Create a PDF from a URL or local file path
Private pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

' Export to a file or Stream
pdf.SaveAs("url.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

將圖像轉換為PDF

您是否有圖像希望顯示為PDF？使用我們的ImageToPdf方法快速轉換。

using IronPdf;

string imagePath = "meetOurTeam.jpg";

// Convert an image to a PDF
PdfDocument pdf = ImageToPdfConverter.ImageToPdf(imagePath);

// Export the PDF
pdf.SaveAs("imageToPdf.pdf");

using IronPdf;

string imagePath = "meetOurTeam.jpg";

// Convert an image to a PDF
PdfDocument pdf = ImageToPdfConverter.ImageToPdf(imagePath);

// Export the PDF
pdf.SaveAs("imageToPdf.pdf");

Imports IronPdf

Private imagePath As String = "meetOurTeam.jpg"

' Convert an image to a PDF
Private pdf As PdfDocument = ImageToPdfConverter.ImageToPdf(imagePath)

' Export the PDF
pdf.SaveAs("imageToPdf.pdf")

Imports IronPdf

Private imagePath As String = "meetOurTeam.jpg"

' Convert an image to a PDF
Private pdf As PdfDocument = ImageToPdfConverter.ImageToPdf(imagePath)

' Export the PDF
pdf.SaveAs("imageToPdf.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

從PDF生成圖像

對於上述例子的相反操作，我們可以先將輸入轉換為PDF，然後使用RasterizeToImageFiles方法將PDF轉換為圖像。

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Render PDF from web URL
PdfDocument pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page");

// Export images from PDF
pdf.RasterizeToImageFiles("wikipage_*.png");

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Render PDF from web URL
PdfDocument pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page");

// Export images from PDF
pdf.RasterizeToImageFiles("wikipage_*.png");

Imports IronPdf

' Instantiate Renderer
Dim renderer As New ChromePdfRenderer()

' Render PDF from web URL
Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

' Export images from PDF
pdf.RasterizeToImageFiles("wikipage_*.png")

Imports IronPdf

' Instantiate Renderer
Dim renderer As New ChromePdfRenderer()

' Render PDF from web URL
Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

' Export images from PDF
pdf.RasterizeToImageFiles("wikipage_*.png")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

將DOCX轉換為PDF

您是否曾需要輕鬆將DOCX文件（如履歷）轉換為PDF？ IronPDF為您提供幫助。只需調用RenderDocxAsPDF方法即可轉換。

using IronPdf;

// Instantiate Renderer
DocxToPdfRenderer renderer = new DocxToPdfRenderer();

// Render from DOCX file
PdfDocument pdf = renderer.RenderDocxAsPdf("Modern-chronological-resume.docx");

// Save the PDF
pdf.SaveAs("pdfFromDocx.pdf");

using IronPdf;

// Instantiate Renderer
DocxToPdfRenderer renderer = new DocxToPdfRenderer();

// Render from DOCX file
PdfDocument pdf = renderer.RenderDocxAsPdf("Modern-chronological-resume.docx");

// Save the PDF
pdf.SaveAs("pdfFromDocx.pdf");

Imports IronPdf

' Instantiate Renderer
Dim renderer As New DocxToPdfRenderer()

' Render from DOCX file
Dim pdf As PdfDocument = renderer.RenderDocxAsPdf("Modern-chronological-resume.docx")

' Save the PDF
pdf.SaveAs("pdfFromDocx.pdf")

Imports IronPdf

' Instantiate Renderer
Dim renderer As New DocxToPdfRenderer()

' Render from DOCX file
Dim pdf As PdfDocument = renderer.RenderDocxAsPdf("Modern-chronological-resume.docx")

' Save the PDF
pdf.SaveAs("pdfFromDocx.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

將RTF轉換為PDF

要將RTF文件轉換為PDF，我們調用RenderRtfFileAsPdf方法，將RTF文件作為輸入。

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Render from RTF file
PdfDocument pdf = renderer.RenderRtfFileAsPdf("sample.rtf");

// Save the PDF
pdf.SaveAs("pdfFromRtfFile.pdf");

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Render from RTF file
PdfDocument pdf = renderer.RenderRtfFileAsPdf("sample.rtf");

// Save the PDF
pdf.SaveAs("pdfFromRtfFile.pdf");

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Render from RTF file
Private pdf As PdfDocument = renderer.RenderRtfFileAsPdf("sample.rtf")

' Save the PDF
pdf.SaveAs("pdfFromRtfFile.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Render from RTF file
Private pdf As PdfDocument = renderer.RenderRtfFileAsPdf("sample.rtf")

' Save the PDF
pdf.SaveAs("pdfFromRtfFile.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

將MD轉換為PDF

要將MD轉換為PDF，我們可以將MD文件作為輸入調用RenderMarkdownFileAsPdf方法。

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Render from markdown file
PdfDocument pdf = renderer.RenderMarkdownFileAsPdf("sample.md");

// Save the PDF
pdf.SaveAs("pdfFromMarkdownFile.pdf");

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Render from markdown file
PdfDocument pdf = renderer.RenderMarkdownFileAsPdf("sample.md");

// Save the PDF
pdf.SaveAs("pdfFromMarkdownFile.pdf");

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Render from markdown file
Private pdf As PdfDocument = renderer.RenderMarkdownFileAsPdf("sample.md")

' Save the PDF
pdf.SaveAs("pdfFromMarkdownFile.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Render from markdown file
Private pdf As PdfDocument = renderer.RenderMarkdownFileAsPdf("sample.md")

' Save the PDF
pdf.SaveAs("pdfFromMarkdownFile.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

將XML轉換為PDF

雖然將XML轉換為PDF可能相當具有挑戰性，但IronPDF依然迎難而上，幫助在幾個步驟內將XML轉換為PDF。我們先從XLST模板開始，然後通過XLST轉換將XML轉換為PDF。以下是一個簡化的程式碼片段，幫助您入門。

// XSLT template that defines the transformation from XML to HTML
string xslt = @"<?xml version='1.0' encoding='UTF-8'?>
<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>
<xsl:template match='/'>
<html>
<style>
td{
  text-align: center;
  padding: 20px;
  border: 1px solid #CDE7F0;
}
th{
  color: white;
  padding: 20px;
}
</style>
<body style='font-family: Arial, Helvetica Neue, Helvetica, sans-serif;'>
  <table style='border-collapse: collapse;'>
    <thead>
      <tr>
        <th colspan='3'>
          <img style='margin: auto;' src='https://ironsoftware.com/img/svgs/ironsoftware-logo-black.svg'/>
        </th>
      </tr>
    </thead>
    <tbody>
      <tr bgcolor='#9acd32'>
        <th bgcolor='#32ab90'>Title</th>
        <th bgcolor='#f49400'>Feature</th>
        <th bgcolor='#2a95d5'>Compatible</th>
      </tr>
      <xsl:for-each select='catalog/cd'>
      <tr>
        <td style='font-weight: bold;'><xsl:value-of select='title'/></td>
        <td style='background-color: #eff8fb; color: #2a95d5; font-weight: bold;'><xsl:value-of select='feature'/></td>
        <td><xsl:value-of select='compatible'/></td>
      </tr>
      </xsl:for-each>
    </tbody>
  </table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
";

[...]

// Create an instance of XslCompiledTransform
XslCompiledTransform transform = new XslCompiledTransform();

// Load the XSLT from a string
using (XmlReader reader = XmlReader.Create(new StringReader(xslt)))
{
    transform.Load(reader);
}

// Transform the XML to HTML
StringWriter results = new StringWriter();
using (XmlReader reader = XmlReader.Create(new StringReader(xml)))
{
    transform.Transform(reader, null, results);
}

// Create a renderer for converting HTML to PDF
IronPdf.ChromePdfRenderer renderer = new IronPdf.ChromePdfRenderer();
// Options, headers, and footers may be set here if needed
// Render our XML as a PDF via XSLT transformation
renderer.RenderHtmlAsPdf(results.ToString()).SaveAs("Final.pdf");

// XSLT template that defines the transformation from XML to HTML
string xslt = @"<?xml version='1.0' encoding='UTF-8'?>
<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>
<xsl:template match='/'>
<html>
<style>
td{
  text-align: center;
  padding: 20px;
  border: 1px solid #CDE7F0;
}
th{
  color: white;
  padding: 20px;
}
</style>
<body style='font-family: Arial, Helvetica Neue, Helvetica, sans-serif;'>
  <table style='border-collapse: collapse;'>
    <thead>
      <tr>
        <th colspan='3'>
          <img style='margin: auto;' src='https://ironsoftware.com/img/svgs/ironsoftware-logo-black.svg'/>
        </th>
      </tr>
    </thead>
    <tbody>
      <tr bgcolor='#9acd32'>
        <th bgcolor='#32ab90'>Title</th>
        <th bgcolor='#f49400'>Feature</th>
        <th bgcolor='#2a95d5'>Compatible</th>
      </tr>
      <xsl:for-each select='catalog/cd'>
      <tr>
        <td style='font-weight: bold;'><xsl:value-of select='title'/></td>
        <td style='background-color: #eff8fb; color: #2a95d5; font-weight: bold;'><xsl:value-of select='feature'/></td>
        <td><xsl:value-of select='compatible'/></td>
      </tr>
      </xsl:for-each>
    </tbody>
  </table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
";

[...]

// Create an instance of XslCompiledTransform
XslCompiledTransform transform = new XslCompiledTransform();

// Load the XSLT from a string
using (XmlReader reader = XmlReader.Create(new StringReader(xslt)))
{
    transform.Load(reader);
}

// Transform the XML to HTML
StringWriter results = new StringWriter();
using (XmlReader reader = XmlReader.Create(new StringReader(xml)))
{
    transform.Transform(reader, null, results);
}

// Create a renderer for converting HTML to PDF
IronPdf.ChromePdfRenderer renderer = new IronPdf.ChromePdfRenderer();
// Options, headers, and footers may be set here if needed
// Render our XML as a PDF via XSLT transformation
renderer.RenderHtmlAsPdf(results.ToString()).SaveAs("Final.pdf");

Imports System.Xml
Imports System.IO
Imports System.Xml.Xsl
Imports IronPdf

' XSLT template that defines the transformation from XML to HTML
Dim xslt As String = "<?xml version='1.0' encoding='UTF-8'?>" & _
"<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>" & _
"<xsl:template match='/'>" & _
"<html>" & _
"<style>" & _
"td{" & _
"  text-align: center;" & _
"  padding: 20px;" & _
"  border: 1px solid #CDE7F0;" & _
"}" & _
"th{" & _
"  color: white;" & _
"  padding: 20px;" & _
"}" & _
"</style>" & _
"<body style='font-family: Arial, Helvetica Neue, Helvetica, sans-serif;'>" & _
"  <table style='border-collapse: collapse;'>" & _
"    <thead>" & _
"      <tr>" & _
"        <th colspan='3'>" & _
"          <img style='margin: auto;' src='https://ironsoftware.com/img/svgs/ironsoftware-logo-black.svg'/>" & _
"        </th>" & _
"      </tr>" & _
"    </thead>" & _
"    <tbody>" & _
"      <tr bgcolor='#9acd32'>" & _
"        <th bgcolor='#32ab90'>Title</th>" & _
"        <th bgcolor='#f49400'>Feature</th>" & _
"        <th bgcolor='#2a95d5'>Compatible</th>" & _
"      </tr>" & _
"      <xsl:for-each select='catalog/cd'>" & _
"      <tr>" & _
"        <td style='font-weight: bold;'><xsl:value-of select='title'/></td>" & _
"        <td style='background-color: #eff8fb; color: #2a95d5; font-weight: bold;'><xsl:value-of select='feature'/></td>" & _
"        <td><xsl:value-of select='compatible'/></td>" & _
"      </tr>" & _
"      </xsl:for-each>" & _
"    </tbody>" & _
"  </table>" & _
"</body>" & _
"</html>" & _
"</xsl:template>" & _
"</xsl:stylesheet>"

[...]

' Create an instance of XslCompiledTransform
Dim transform As New XslCompiledTransform()

' Load the XSLT from a string
Using reader As XmlReader = XmlReader.Create(New StringReader(xslt))
    transform.Load(reader)
End Using

' Transform the XML to HTML
Dim results As New StringWriter()
Using reader As XmlReader = XmlReader.Create(New StringReader(xml))
    transform.Transform(reader, Nothing, results)
End Using

' Create a renderer for converting HTML to PDF
Dim renderer As New ChromePdfRenderer()
' Options, headers, and footers may be set here if needed
' Render our XML as a PDF via XSLT transformation
renderer.RenderHtmlAsPdf(results.ToString()).SaveAs("Final.pdf")

Imports System.Xml
Imports System.IO
Imports System.Xml.Xsl
Imports IronPdf

' XSLT template that defines the transformation from XML to HTML
Dim xslt As String = "<?xml version='1.0' encoding='UTF-8'?>" & _
"<xsl:stylesheet version='1.0' xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>" & _
"<xsl:template match='/'>" & _
"<html>" & _
"<style>" & _
"td{" & _
"  text-align: center;" & _
"  padding: 20px;" & _
"  border: 1px solid #CDE7F0;" & _
"}" & _
"th{" & _
"  color: white;" & _
"  padding: 20px;" & _
"}" & _
"</style>" & _
"<body style='font-family: Arial, Helvetica Neue, Helvetica, sans-serif;'>" & _
"  <table style='border-collapse: collapse;'>" & _
"    <thead>" & _
"      <tr>" & _
"        <th colspan='3'>" & _
"          <img style='margin: auto;' src='https://ironsoftware.com/img/svgs/ironsoftware-logo-black.svg'/>" & _
"        </th>" & _
"      </tr>" & _
"    </thead>" & _
"    <tbody>" & _
"      <tr bgcolor='#9acd32'>" & _
"        <th bgcolor='#32ab90'>Title</th>" & _
"        <th bgcolor='#f49400'>Feature</th>" & _
"        <th bgcolor='#2a95d5'>Compatible</th>" & _
"      </tr>" & _
"      <xsl:for-each select='catalog/cd'>" & _
"      <tr>" & _
"        <td style='font-weight: bold;'><xsl:value-of select='title'/></td>" & _
"        <td style='background-color: #eff8fb; color: #2a95d5; font-weight: bold;'><xsl:value-of select='feature'/></td>" & _
"        <td><xsl:value-of select='compatible'/></td>" & _
"      </tr>" & _
"      </xsl:for-each>" & _
"    </tbody>" & _
"  </table>" & _
"</body>" & _
"</html>" & _
"</xsl:template>" & _
"</xsl:stylesheet>"

[...]

' Create an instance of XslCompiledTransform
Dim transform As New XslCompiledTransform()

' Load the XSLT from a string
Using reader As XmlReader = XmlReader.Create(New StringReader(xslt))
    transform.Load(reader)
End Using

' Transform the XML to HTML
Dim results As New StringWriter()
Using reader As XmlReader = XmlReader.Create(New StringReader(xml))
    transform.Transform(reader, Nothing, results)
End Using

' Create a renderer for converting HTML to PDF
Dim renderer As New ChromePdfRenderer()
' Options, headers, and footers may be set here if needed
' Render our XML as a PDF via XSLT transformation
renderer.RenderHtmlAsPdf(results.ToString()).SaveAs("Final.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

將PDF轉換為HTML

除了將各種格式轉換為PDF外，IronPDF還支持將PDF轉換為HTML的相反操作。這是一個快速的程式碼片段來展示該功能。

using IronPdf;
using System;

PdfDocument pdf = PdfDocument.FromFile("sample.pdf");

// Convert PDF to HTML string
string html = pdf.ToHtmlString();
Console.WriteLine(html);

// Convert PDF to HTML file
pdf.SaveAsHtml("myHtml.html");

using IronPdf;
using System;

PdfDocument pdf = PdfDocument.FromFile("sample.pdf");

// Convert PDF to HTML string
string html = pdf.ToHtmlString();
Console.WriteLine(html);

// Convert PDF to HTML file
pdf.SaveAsHtml("myHtml.html");

Imports IronPdf
Imports System

Dim pdf As PdfDocument = PdfDocument.FromFile("sample.pdf")

' Convert PDF to HTML string
Dim html As String = pdf.ToHtmlString()
Console.WriteLine(html)

' Convert PDF to HTML file
pdf.SaveAsHtml("myHtml.html")

Imports IronPdf
Imports System

Dim pdf As PdfDocument = PdfDocument.FromFile("sample.pdf")

' Convert PDF to HTML string
Dim html As String = pdf.ToHtmlString()
Console.WriteLine(html)

' Convert PDF to HTML file
pdf.SaveAsHtml("myHtml.html")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

動態網頁到PDF

您需要將動態網頁以保留精確的版面佈局和格式轉換為PDF嗎？不妨試試IronPDF，它可以快速將多種流行的動態網頁框架轉換為PDF。

從ASPX頁面生成PDF

這是一個簡短的程式碼片段，用於在Active Server Pages中將ASPX頁面轉換為PDF。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using IronPdf;

namespace AspxToPdfTutorial
{
    public partial class Invoice : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            IronPdf.AspxToPdf.RenderThisPageAsPdf(IronPdf.AspxToPdf.FileBehavior.InBrowser);
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using IronPdf;

namespace AspxToPdfTutorial
{
    public partial class Invoice : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            IronPdf.AspxToPdf.RenderThisPageAsPdf(IronPdf.AspxToPdf.FileBehavior.InBrowser);
        }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports IronPdf

Namespace AspxToPdfTutorial
	Partial Public Class Invoice
		Inherits System.Web.UI.Page

		Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
			IronPdf.AspxToPdf.RenderThisPageAsPdf(IronPdf.AspxToPdf.FileBehavior.InBrowser)
		End Sub
	End Class
End Namespace

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports IronPdf

Namespace AspxToPdfTutorial
	Partial Public Class Invoice
		Inherits System.Web.UI.Page

		Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
			IronPdf.AspxToPdf.RenderThisPageAsPdf(IronPdf.AspxToPdf.FileBehavior.InBrowser)
		End Sub
	End Class
End Namespace

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

XAML到PDF (MAUI)

.NET MAUI是在跨平台應用程式開發中受到歡迎的框架選擇之一。 IronPDF完全支持將XAML轉換為PDF，僅需幾個步驟。

using IronPdf.Extensions.Maui;

namespace mauiSample;

public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();
    }

    private void PrintToPdf(object sender, EventArgs e)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();

        // Apply HTML header
        renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
        {
            HtmlFragment = "<h1>Header</h1>",
        };

        // Render PDF from Maui Page
        PdfDocument pdf = renderer.RenderContentPageToPdf<MainPage, App>().Result;

        pdf.SaveAs(@"C:\Users\lyty1\Downloads\contentPageToPdf.pdf");
    }
}

using IronPdf.Extensions.Maui;

namespace mauiSample;

public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();
    }

    private void PrintToPdf(object sender, EventArgs e)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();

        // Apply HTML header
        renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
        {
            HtmlFragment = "<h1>Header</h1>",
        };

        // Render PDF from Maui Page
        PdfDocument pdf = renderer.RenderContentPageToPdf<MainPage, App>().Result;

        pdf.SaveAs(@"C:\Users\lyty1\Downloads\contentPageToPdf.pdf");
    }
}

Imports IronPdf.Extensions.Maui

Namespace mauiSample

	Partial Public Class MainPage
		Inherits ContentPage

		Public Sub New()
			InitializeComponent()
		End Sub

		Private Sub PrintToPdf(ByVal sender As Object, ByVal e As EventArgs)
			Dim renderer As New ChromePdfRenderer()

			' Apply HTML header
			renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter() With {.HtmlFragment = "<h1>Header</h1>"}

			' Render PDF from Maui Page
			Dim pdf As PdfDocument = renderer.RenderContentPageToPdf(Of MainPage, App)().Result

			pdf.SaveAs("C:\Users\lyty1\Downloads\contentPageToPdf.pdf")
		End Sub
	End Class
End Namespace

Imports IronPdf.Extensions.Maui

Namespace mauiSample

	Partial Public Class MainPage
		Inherits ContentPage

		Public Sub New()
			InitializeComponent()
		End Sub

		Private Sub PrintToPdf(ByVal sender As Object, ByVal e As EventArgs)
			Dim renderer As New ChromePdfRenderer()

			' Apply HTML header
			renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter() With {.HtmlFragment = "<h1>Header</h1>"}

			' Render PDF from Maui Page
			Dim pdf As PdfDocument = renderer.RenderContentPageToPdf(Of MainPage, App)().Result

			pdf.SaveAs("C:\Users\lyty1\Downloads\contentPageToPdf.pdf")
		End Sub
	End Class
End Namespace

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

生成PDF報告

在生成PDF報告時，確切的尺寸和格式至關重要。為此，IronPDF允許您僅需幾個步驟即可無縫生成PDF。

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

renderer.RenderHtmlFileAsPdf("report.html").SaveAs("report.pdf");

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

renderer.RenderHtmlFileAsPdf("report.html").SaveAs("report.pdf");

Imports IronPdf

Private renderer As New ChromePdfRenderer()

renderer.RenderHtmlFileAsPdf("report.html").SaveAs("report.pdf")

Imports IronPdf

Private renderer As New ChromePdfRenderer()

renderer.RenderHtmlFileAsPdf("report.html").SaveAs("report.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

在Blazor伺服器中建立PDF

IronPDF支持.NET 6，由於其包含Blazor等專案型別，這個程式碼片段提供了一個簡短的範例，說明如何在Blazor伺服器中建立PDF。

@code {

    // Model to bind user input
    private InputHTMLModel _InputMsgModel = new InputHTMLModel();

    private async Task SubmitHTML()
    {
        // Set your IronPDF license key
        IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";

        // Create a renderer to convert HTML to PDF
        var render = new IronPdf.ChromePdfRenderer();

        // Render the HTML input into a PDF document
        var doc = render.RenderHtmlAsPdf(_InputMsgModel.HTML);

        var fileName = "iron.pdf";

        // Create a stream reference for the PDF content
        using var streamRef = new DotNetStreamReference(stream: doc.Stream);

        // Invoke JavaScript function to download the PDF in the browser
        await JS.InvokeVoidAsync("SubmitHTML", fileName, streamRef);
    }

    public class InputHTMLModel
    {
        public string HTML { get; set; } = "My new message";
    }
}

@code {

    // Model to bind user input
    private InputHTMLModel _InputMsgModel = new InputHTMLModel();

    private async Task SubmitHTML()
    {
        // Set your IronPDF license key
        IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";

        // Create a renderer to convert HTML to PDF
        var render = new IronPdf.ChromePdfRenderer();

        // Render the HTML input into a PDF document
        var doc = render.RenderHtmlAsPdf(_InputMsgModel.HTML);

        var fileName = "iron.pdf";

        // Create a stream reference for the PDF content
        using var streamRef = new DotNetStreamReference(stream: doc.Stream);

        // Invoke JavaScript function to download the PDF in the browser
        await JS.InvokeVoidAsync("SubmitHTML", fileName, streamRef);
    }

    public class InputHTMLModel
    {
        public string HTML { get; set; } = "My new message";
    }
}

code
If True Then

	' Model to bind user input
	private InputHTMLModel _InputMsgModel = New InputHTMLModel()

'INSTANT VB TODO TASK: Local functions are not converted by Instant VB:
'	private async Task SubmitHTML()
'	{
'		' Set your IronPDF license key
'		IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";
'
'		' Create a renderer to convert HTML to PDF
'		var render = New IronPdf.ChromePdfRenderer();
'
'		' Render the HTML input into a PDF document
'		var doc = render.RenderHtmlAsPdf(_InputMsgModel.HTML);
'
'		var fileName = "iron.pdf";
'
'		' Create a stream reference for the PDF content
'		var streamRef = New DotNetStreamReference(stream: doc.Stream);
'
'		' Invoke JavaScript function to download the PDF in the browser
'		await JS.InvokeVoidAsync("SubmitHTML", fileName, streamRef);
'	}

'INSTANT VB TODO TASK: Local functions are not converted by Instant VB:
'	public class InputHTMLModel
'	{
'		public string HTML
'		{
'			get;
'			set;
'		} = "My new message";
'	}
End If

code
If True Then

	' Model to bind user input
	private InputHTMLModel _InputMsgModel = New InputHTMLModel()

'INSTANT VB TODO TASK: Local functions are not converted by Instant VB:
'	private async Task SubmitHTML()
'	{
'		' Set your IronPDF license key
'		IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";
'
'		' Create a renderer to convert HTML to PDF
'		var render = New IronPdf.ChromePdfRenderer();
'
'		' Render the HTML input into a PDF document
'		var doc = render.RenderHtmlAsPdf(_InputMsgModel.HTML);
'
'		var fileName = "iron.pdf";
'
'		' Create a stream reference for the PDF content
'		var streamRef = New DotNetStreamReference(stream: doc.Stream);
'
'		' Invoke JavaScript function to download the PDF in the browser
'		await JS.InvokeVoidAsync("SubmitHTML", fileName, streamRef);
'	}

'INSTANT VB TODO TASK: Local functions are not converted by Instant VB:
'	public class InputHTMLModel
'	{
'		public string HTML
'		{
'			get;
'			set;
'		} = "My new message";
'	}
End If

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

Razor到PDF (Blazor伺服器)

除了在Blazor伺服器中建立PDF外，IronPDF還支持從Blazor頁面中的Razor元件生成PDF文件。使PDF文件和頁面建立更加流線化。

[Parameter]
public IEnumerable<PersonInfo> persons { get; set; }
public Dictionary<string, object> Parameters { get; set; } = new Dictionary<string, object>();
 
protected override async Task OnInitializedAsync()
{
    persons = new List<PersonInfo>
    {
        new PersonInfo { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
        new PersonInfo { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
        new PersonInfo { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
}
private async void PrintToPdf()
{
    ChromePdfRenderer renderer = new ChromePdfRenderer();
 
    // Apply text footer
    renderer.RenderingOptions.TextFooter = new TextHeaderFooter()
        {
            LeftText = "{date} - {time}",
            DrawDividerLine = true,
            RightText = "Page {page} of {total-pages}",
            Font = IronSoftware.Drawing.FontTypes.Arial,
            FontSize = 11
        };
 
    Parameters.Add("persons", persons);
 
    // Render razor component to PDF
    PdfDocument pdf = renderer.RenderRazorComponentToPdf<Person>(Parameters);
 
    File.WriteAllBytes("razorComponentToPdf.pdf", pdf.BinaryData);
}

[Parameter]
public IEnumerable<PersonInfo> persons { get; set; }
public Dictionary<string, object> Parameters { get; set; } = new Dictionary<string, object>();
 
protected override async Task OnInitializedAsync()
{
    persons = new List<PersonInfo>
    {
        new PersonInfo { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
        new PersonInfo { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
        new PersonInfo { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
}
private async void PrintToPdf()
{
    ChromePdfRenderer renderer = new ChromePdfRenderer();
 
    // Apply text footer
    renderer.RenderingOptions.TextFooter = new TextHeaderFooter()
        {
            LeftText = "{date} - {time}",
            DrawDividerLine = true,
            RightText = "Page {page} of {total-pages}",
            Font = IronSoftware.Drawing.FontTypes.Arial,
            FontSize = 11
        };
 
    Parameters.Add("persons", persons);
 
    // Render razor component to PDF
    PdfDocument pdf = renderer.RenderRazorComponentToPdf<Person>(Parameters);
 
    File.WriteAllBytes("razorComponentToPdf.pdf", pdf.BinaryData);
}

<Parameter>
Public Property persons As IEnumerable(Of PersonInfo)
Public Property Parameters As Dictionary(Of String, Object) = New Dictionary(Of String, Object)()

Protected Overrides Async Function OnInitializedAsync() As Task
    persons = New List(Of PersonInfo) From {
        New PersonInfo With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New PersonInfo With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New PersonInfo With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
End Function

Private Async Sub PrintToPdf()
    Dim renderer As New ChromePdfRenderer()

    ' Apply text footer
    renderer.RenderingOptions.TextFooter = New TextHeaderFooter() With {
        .LeftText = "{date} - {time}",
        .DrawDividerLine = True,
        .RightText = "Page {page} of {total-pages}",
        .Font = IronSoftware.Drawing.FontTypes.Arial,
        .FontSize = 11
    }

    Parameters.Add("persons", persons)

    ' Render razor component to PDF
    Dim pdf As PdfDocument = renderer.RenderRazorComponentToPdf(Of Person)(Parameters)

    File.WriteAllBytes("razorComponentToPdf.pdf", pdf.BinaryData)
End Sub

<Parameter>
Public Property persons As IEnumerable(Of PersonInfo)
Public Property Parameters As Dictionary(Of String, Object) = New Dictionary(Of String, Object)()

Protected Overrides Async Function OnInitializedAsync() As Task
    persons = New List(Of PersonInfo) From {
        New PersonInfo With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New PersonInfo With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New PersonInfo With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
End Function

Private Async Sub PrintToPdf()
    Dim renderer As New ChromePdfRenderer()

    ' Apply text footer
    renderer.RenderingOptions.TextFooter = New TextHeaderFooter() With {
        .LeftText = "{date} - {time}",
        .DrawDividerLine = True,
        .RightText = "Page {page} of {total-pages}",
        .Font = IronSoftware.Drawing.FontTypes.Arial,
        .FontSize = 11
    }

    Parameters.Add("persons", persons)

    ' Render razor component to PDF
    Dim pdf As PdfDocument = renderer.RenderRazorComponentToPdf(Of Person)(Parameters)

    File.WriteAllBytes("razorComponentToPdf.pdf", pdf.BinaryData)
End Sub

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

CSHTML到PDF

將CSHTML（Razor）轉換為PDF可以讓您直接從網頁應用程式生成專業的、可列印文件。這對發票、報告、合同或任何動態內容都很有用。 IronPDF支持Razor頁面、MVC核心、MVC框架以及無頭渲染，使其能夠無縫整合PDF生成功能到您的.NET應用程式中，只需幾行程式碼。

CSHTML到PDF (Razor頁面)

using IronPdf.Razor.Pages;
 
public IActionResult OnPostAsync()
{
    persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
 
    ViewData["personList"] = persons;
 
    ChromePdfRenderer renderer = new ChromePdfRenderer();
 
    // Render Razor Page to PDF document
    PdfDocument pdf = renderer.RenderRazorToPdf(this);
 
    Response.Headers.Add("Content-Disposition", "inline");
 
    return File(pdf.BinaryData, "application/pdf", "razorPageToPdf.pdf");
}

using IronPdf.Razor.Pages;
 
public IActionResult OnPostAsync()
{
    persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
 
    ViewData["personList"] = persons;
 
    ChromePdfRenderer renderer = new ChromePdfRenderer();
 
    // Render Razor Page to PDF document
    PdfDocument pdf = renderer.RenderRazorToPdf(this);
 
    Response.Headers.Add("Content-Disposition", "inline");
 
    return File(pdf.BinaryData, "application/pdf", "razorPageToPdf.pdf");
}

Imports IronPdf.Razor.Pages

Public Function OnPostAsync() As IActionResult
    persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }

    ViewData("personList") = persons

    Dim renderer As New ChromePdfRenderer()

    ' Render Razor Page to PDF document
    Dim pdf As PdfDocument = renderer.RenderRazorToPdf(Me)

    Response.Headers.Add("Content-Disposition", "inline")

    Return File(pdf.BinaryData, "application/pdf", "razorPageToPdf.pdf")
End Function

Imports IronPdf.Razor.Pages

Public Function OnPostAsync() As IActionResult
    persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }

    ViewData("personList") = persons

    Dim renderer As New ChromePdfRenderer()

    ' Render Razor Page to PDF document
    Dim pdf As PdfDocument = renderer.RenderRazorToPdf(Me)

    Response.Headers.Add("Content-Disposition", "inline")

    Return File(pdf.BinaryData, "application/pdf", "razorPageToPdf.pdf")
End Function

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

CSHTML到PDF (MVC核心)

public async Task<IActionResult> Persons()
{
    var persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
    if (_httpContextAccessor.HttpContext.Request.Method == HttpMethod.Post.Method)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();
 
        // Render View to PDF document
        PdfDocument pdf = renderer.RenderRazorViewToPdf(_viewRenderService, "Views/Home/Persons.cshtml", persons);
        Response.Headers.Add("Content-Disposition", "inline");
 
        // Output PDF document
        return File(pdf.BinaryData, "application/pdf", "viewToPdfMVCCore.pdf");
    }
    return View(persons);
}

public async Task<IActionResult> Persons()
{
    var persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
    if (_httpContextAccessor.HttpContext.Request.Method == HttpMethod.Post.Method)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();
 
        // Render View to PDF document
        PdfDocument pdf = renderer.RenderRazorViewToPdf(_viewRenderService, "Views/Home/Persons.cshtml", persons);
        Response.Headers.Add("Content-Disposition", "inline");
 
        // Output PDF document
        return File(pdf.BinaryData, "application/pdf", "viewToPdfMVCCore.pdf");
    }
    return View(persons);
}

Public Async Function Persons() As Task(Of IActionResult)
    Dim persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
    If _httpContextAccessor.HttpContext.Request.Method = HttpMethod.Post.Method Then
        Dim renderer As New ChromePdfRenderer()

        ' Render View to PDF document
        Dim pdf As PdfDocument = renderer.RenderRazorViewToPdf(_viewRenderService, "Views/Home/Persons.cshtml", persons)
        Response.Headers.Add("Content-Disposition", "inline")

        ' Output PDF document
        Return File(pdf.BinaryData, "application/pdf", "viewToPdfMVCCore.pdf")
    End If
    Return View(persons)
End Function

Public Async Function Persons() As Task(Of IActionResult)
    Dim persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
    If _httpContextAccessor.HttpContext.Request.Method = HttpMethod.Post.Method Then
        Dim renderer As New ChromePdfRenderer()

        ' Render View to PDF document
        Dim pdf As PdfDocument = renderer.RenderRazorViewToPdf(_viewRenderService, "Views/Home/Persons.cshtml", persons)
        Response.Headers.Add("Content-Disposition", "inline")

        ' Output PDF document
        Return File(pdf.BinaryData, "application/pdf", "viewToPdfMVCCore.pdf")
    End If
    Return View(persons)
End Function

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

CSHTML到PDF (MVC框架)

public ActionResult Persons()
{
    var persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
    if (HttpContext.Request.HttpMethod == "POST")
    {
        // Provide the path to your view file
        var viewPath = "~/Views/Home/Persons.cshtml";
        ChromePdfRenderer renderer = new ChromePdfRenderer();
 
        // Render Razor view to PDF document
        PdfDocument pdf = renderer.RenderView(this.HttpContext, viewPath, persons);
        Response.Headers.Add("Content-Disposition", "inline");
 
        // View the PDF
        return File(pdf.BinaryData, "application/pdf");
    }
    return View(persons);
}

public ActionResult Persons()
{
    var persons = new List<Person>
    {
    new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
    new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
    new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
    };
    if (HttpContext.Request.HttpMethod == "POST")
    {
        // Provide the path to your view file
        var viewPath = "~/Views/Home/Persons.cshtml";
        ChromePdfRenderer renderer = new ChromePdfRenderer();
 
        // Render Razor view to PDF document
        PdfDocument pdf = renderer.RenderView(this.HttpContext, viewPath, persons);
        Response.Headers.Add("Content-Disposition", "inline");
 
        // View the PDF
        return File(pdf.BinaryData, "application/pdf");
    }
    return View(persons);
}

Public Function Persons() As ActionResult
    Dim persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
    
    If HttpContext.Request.HttpMethod = "POST" Then
        ' Provide the path to your view file
        Dim viewPath = "~/Views/Home/Persons.cshtml"
        Dim renderer As New ChromePdfRenderer()
        
        ' Render Razor view to PDF document
        Dim pdf As PdfDocument = renderer.RenderView(Me.HttpContext, viewPath, persons)
        Response.Headers.Add("Content-Disposition", "inline")
        
        ' View the PDF
        Return File(pdf.BinaryData, "application/pdf")
    End If
    
    Return View(persons)
End Function

Public Function Persons() As ActionResult
    Dim persons = New List(Of Person) From {
        New Person With {.Name = "Alice", .Title = "Mrs.", .Description = "Software Engineer"},
        New Person With {.Name = "Bob", .Title = "Mr.", .Description = "Software Engineer"},
        New Person With {.Name = "Charlie", .Title = "Mr.", .Description = "Software Engineer"}
    }
    
    If HttpContext.Request.HttpMethod = "POST" Then
        ' Provide the path to your view file
        Dim viewPath = "~/Views/Home/Persons.cshtml"
        Dim renderer As New ChromePdfRenderer()
        
        ' Render Razor view to PDF document
        Dim pdf As PdfDocument = renderer.RenderView(Me.HttpContext, viewPath, persons)
        Response.Headers.Add("Content-Disposition", "inline")
        
        ' View the PDF
        Return File(pdf.BinaryData, "application/pdf")
    End If
    
    Return View(persons)
End Function

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

CSHTML到PDF (無頭)

app.MapGet("/PrintPdf", async () =>
{
    // Set your IronPDF license key
    IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";
    
    // Enable detailed logging for troubleshooting
    IronPdf.Logging.Logger.LoggingMode = IronPdf.Logging.Logger.LoggingModes.All;

    // Render the Razor view to an HTML string
    string html = await RazorTemplateEngine.RenderAsync("Views/Home/Data.cshtml");

    // Create a new instance of ChromePdfRenderer 
    ChromePdfRenderer renderer = new ChromePdfRenderer();
   
    // Render the HTML string as a PDF document
    PdfDocument pdf = renderer.RenderHtmlAsPdf(html, "./wwwroot");

    // Return the PDF file as a response
    return Results.File(pdf.BinaryData, "application/pdf", "razorViewToPdf.pdf");
});

app.MapGet("/PrintPdf", async () =>
{
    // Set your IronPDF license key
    IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01";
    
    // Enable detailed logging for troubleshooting
    IronPdf.Logging.Logger.LoggingMode = IronPdf.Logging.Logger.LoggingModes.All;

    // Render the Razor view to an HTML string
    string html = await RazorTemplateEngine.RenderAsync("Views/Home/Data.cshtml");

    // Create a new instance of ChromePdfRenderer 
    ChromePdfRenderer renderer = new ChromePdfRenderer();
   
    // Render the HTML string as a PDF document
    PdfDocument pdf = renderer.RenderHtmlAsPdf(html, "./wwwroot");

    // Return the PDF file as a response
    return Results.File(pdf.BinaryData, "application/pdf", "razorViewToPdf.pdf");
});

Imports IronPdf
Imports Microsoft.AspNetCore.Http

app.MapGet("/PrintPdf", Async Function() As Task(Of IResult)
    ' Set your IronPDF license key
    IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01"

    ' Enable detailed logging for troubleshooting
    IronPdf.Logging.Logger.LoggingMode = IronPdf.Logging.Logger.LoggingModes.All

    ' Render the Razor view to an HTML string
    Dim html As String = Await RazorTemplateEngine.RenderAsync("Views/Home/Data.cshtml")

    ' Create a new instance of ChromePdfRenderer 
    Dim renderer As New ChromePdfRenderer()

    ' Render the HTML string as a PDF document
    Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf(html, "./wwwroot")

    ' Return the PDF file as a response
    Return Results.File(pdf.BinaryData, "application/pdf", "razorViewToPdf.pdf")
End Function)

Imports IronPdf
Imports Microsoft.AspNetCore.Http

app.MapGet("/PrintPdf", Async Function() As Task(Of IResult)
    ' Set your IronPDF license key
    IronPdf.License.LicenseKey = "IRONPDF-MYLICENSE-KEY-1EF01"

    ' Enable detailed logging for troubleshooting
    IronPdf.Logging.Logger.LoggingMode = IronPdf.Logging.Logger.LoggingModes.All

    ' Render the Razor view to an HTML string
    Dim html As String = Await RazorTemplateEngine.RenderAsync("Views/Home/Data.cshtml")

    ' Create a new instance of ChromePdfRenderer 
    Dim renderer As New ChromePdfRenderer()

    ' Render the HTML string as a PDF document
    Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf(html, "./wwwroot")

    ' Return the PDF file as a response
    Return Results.File(pdf.BinaryData, "application/pdf", "razorViewToPdf.pdf")
End Function)

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

我最喜歡的程式庫是IronPDF。它允許快速高效地操作PDF文件。它還有許多有價值的功能，例如導出到PDF/A格式和數位簽署PDF文件。

Milan Jovanovic

Microsoft MVP

查看案例研究

IronOCR意味著我們每年可以從手動處理中節省$40,000，同時提高生產力，釋放資源以進行高影響的任務。我會強烈推薦它。

Brent Matzelle

首席技術官，OPYN

查看案例研究

網頁可存取性

TLS網站和系統登入

IronPDF為需要身份驗證的網頁提供了一個簡單的轉換解決方案。通過其渲染選項，使用者可以使用ChromeHttpLoginCredntials屬性繞過使用者名和密碼。

using IronPdf;
using System;

ChromePdfRenderer renderer = new ChromePdfRenderer
{
    // setting login credentials to bypass basic authentication
    LoginCredentials = new ChromeHttpLoginCredentials()
    {
        NetworkUsername = "testUser",
        NetworkPassword = "testPassword"
    }
};

var uri = new Uri("http://localhost:51169/Invoice");

// Render web URL to PDF
PdfDocument pdf = renderer.RenderUrlAsPdf(uri);

// Export PDF
pdf.SaveAs("UrlToPdfExample.Pdf");

using IronPdf;
using System;

ChromePdfRenderer renderer = new ChromePdfRenderer
{
    // setting login credentials to bypass basic authentication
    LoginCredentials = new ChromeHttpLoginCredentials()
    {
        NetworkUsername = "testUser",
        NetworkPassword = "testPassword"
    }
};

var uri = new Uri("http://localhost:51169/Invoice");

// Render web URL to PDF
PdfDocument pdf = renderer.RenderUrlAsPdf(uri);

// Export PDF
pdf.SaveAs("UrlToPdfExample.Pdf");

Imports IronPdf
Imports System

Private renderer As New ChromePdfRenderer With {
	.LoginCredentials = New ChromeHttpLoginCredentials() With {
		.NetworkUsername = "testUser",
		.NetworkPassword = "testPassword"
	}
}

Private uri = New Uri("http://localhost:51169/Invoice")

' Render web URL to PDF
Private pdf As PdfDocument = renderer.RenderUrlAsPdf(uri)

' Export PDF
pdf.SaveAs("UrlToPdfExample.Pdf")

Imports IronPdf
Imports System

Private renderer As New ChromePdfRenderer With {
	.LoginCredentials = New ChromeHttpLoginCredentials() With {
		.NetworkUsername = "testUser",
		.NetworkPassword = "testPassword"
	}
}

Private uri = New Uri("http://localhost:51169/Invoice")

' Render web URL to PDF
Private pdf As PdfDocument = renderer.RenderUrlAsPdf(uri)

' Export PDF
pdf.SaveAs("UrlToPdfExample.Pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

Cookies

將cookies應用於附加的登入請求，以確保您的會話被保存！這將使IronPDF內在鎖定域中渲染額外的資源變得更加容易。

using IronPdf;

// Instantiate ChromePdfRenderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

renderer.RenderingOptions.RequestContext = IronPdf.Rendering.RequestContexts.Global;

ChromeHttpLoginCredentials credentials = new ChromeHttpLoginCredentials() {
    NetworkUsername = "testUser",
    NetworkPassword = "testPassword"
};

string uri = "http://localhost:51169/Invoice";

// Apply cookies
renderer.ApplyCookies(uri, credentials);

using IronPdf;

// Instantiate ChromePdfRenderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

renderer.RenderingOptions.RequestContext = IronPdf.Rendering.RequestContexts.Global;

ChromeHttpLoginCredentials credentials = new ChromeHttpLoginCredentials() {
    NetworkUsername = "testUser",
    NetworkPassword = "testPassword"
};

string uri = "http://localhost:51169/Invoice";

// Apply cookies
renderer.ApplyCookies(uri, credentials);

Imports IronPdf

' Instantiate ChromePdfRenderer
Private renderer As New ChromePdfRenderer()

renderer.RenderingOptions.RequestContext = IronPdf.Rendering.RequestContexts.Global

Dim credentials As New ChromeHttpLoginCredentials() With {
	.NetworkUsername = "testUser",
	.NetworkPassword = "testPassword"
}

Dim uri As String = "http://localhost:51169/Invoice"

' Apply cookies
renderer.ApplyCookies(uri, credentials)

Imports IronPdf

' Instantiate ChromePdfRenderer
Private renderer As New ChromePdfRenderer()

renderer.RenderingOptions.RequestContext = IronPdf.Rendering.RequestContexts.Global

Dim credentials As New ChromeHttpLoginCredentials() With {
	.NetworkUsername = "testUser",
	.NetworkPassword = "testPassword"
}

Dim uri As String = "http://localhost:51169/Invoice"

' Apply cookies
renderer.ApplyCookies(uri, credentials)

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

HTTP請求頭

除了cookies，IronPDF還允許使用者自定義其HTTP請求頭，新增授權令牌和其他相關常用字段。

using IronPdf;
using System.Collections.Generic;

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.HttpRequestHeaders = new Dictionary<string, string>
{
    { "Authorization", "Bearer test-token-123" }
};

// Render PDF from authenticated page
var pdf = renderer.RenderUrlAsPdf("https://httpbin.org/bearer");
pdf.SaveAs("output.pdf");

using IronPdf;
using System.Collections.Generic;

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.HttpRequestHeaders = new Dictionary<string, string>
{
    { "Authorization", "Bearer test-token-123" }
};

// Render PDF from authenticated page
var pdf = renderer.RenderUrlAsPdf("https://httpbin.org/bearer");
pdf.SaveAs("output.pdf");

Imports IronPdf
Imports System.Collections.Generic

Dim renderer = New ChromePdfRenderer()
renderer.RenderingOptions.HttpRequestHeaders = New Dictionary(Of String, String) From {
    {"Authorization", "Bearer test-token-123"}
}

' Render PDF from authenticated page
Dim pdf = renderer.RenderUrlAsPdf("https://httpbin.org/bearer")
pdf.SaveAs("output.pdf")

Imports IronPdf
Imports System.Collections.Generic

Dim renderer = New ChromePdfRenderer()
renderer.RenderingOptions.HttpRequestHeaders = New Dictionary(Of String, String) From {
    {"Authorization", "Bearer test-token-123"}
}

' Render PDF from authenticated page
Dim pdf = renderer.RenderUrlAsPdf("https://httpbin.org/bearer")
pdf.SaveAs("output.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

定制化PDF轉換

渲染選項

IronPDF允許使用者自定義生成的PDF的外觀和格式。用於轉換各種輸入為PDF的RenderingOptions屬性，使使用者可以控制輸出的外觀。

using IronPdf;

// Instantiate a ChromePdfRenderer object, which uses a headless version of the Chrome browser
// to render HTML/CSS as a PDF document.
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Configure rendering options
// Enable printing of HTML backgrounds to ensure all styles are visible.
renderer.RenderingOptions.PrintHtmlBackgrounds = true;

// Set HTML header content using HtmlHeaderFooter.
renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter
{
    // HTML fragment to add a header at the top of every page in the PDF.
    HtmlFragment = "<h1>Header Content</h1>"
};

// Set a custom paper size for the PDF in millimeters (width and height).
renderer.RenderingOptions.SetCustomPaperSizeinMilimeters(150, 150);

// Set the top margin to zero to start the content from the very top of the page.
renderer.RenderingOptions.MarginTop = 0;

// Define a Markdown string that will be rendered as a PDF.
// Markdown text allows basic formatting like bold and italic styles.
string md = "This is some **bold** and *italic* text.";

// Render the Markdown string to a PDF document.
// The library will convert Markdown syntax into equivalent HTML before rendering it as a PDF.
PdfDocument pdf = renderer.RenderMarkdownStringAsPdf(md);

// Save the generated PDF to a file named "renderingOptions.pdf."
pdf.SaveAs("renderingOptions.pdf");

using IronPdf;

// Instantiate a ChromePdfRenderer object, which uses a headless version of the Chrome browser
// to render HTML/CSS as a PDF document.
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Configure rendering options
// Enable printing of HTML backgrounds to ensure all styles are visible.
renderer.RenderingOptions.PrintHtmlBackgrounds = true;

// Set HTML header content using HtmlHeaderFooter.
renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter
{
    // HTML fragment to add a header at the top of every page in the PDF.
    HtmlFragment = "<h1>Header Content</h1>"
};

// Set a custom paper size for the PDF in millimeters (width and height).
renderer.RenderingOptions.SetCustomPaperSizeinMilimeters(150, 150);

// Set the top margin to zero to start the content from the very top of the page.
renderer.RenderingOptions.MarginTop = 0;

// Define a Markdown string that will be rendered as a PDF.
// Markdown text allows basic formatting like bold and italic styles.
string md = "This is some **bold** and *italic* text.";

// Render the Markdown string to a PDF document.
// The library will convert Markdown syntax into equivalent HTML before rendering it as a PDF.
PdfDocument pdf = renderer.RenderMarkdownStringAsPdf(md);

// Save the generated PDF to a file named "renderingOptions.pdf."
pdf.SaveAs("renderingOptions.pdf");

Imports IronPdf

' Instantiate a ChromePdfRenderer object, which uses a headless version of the Chrome browser
' to render HTML/CSS as a PDF document.
Private renderer As New ChromePdfRenderer()

' Configure rendering options
' Enable printing of HTML backgrounds to ensure all styles are visible.
renderer.RenderingOptions.PrintHtmlBackgrounds = True

' Set HTML header content using HtmlHeaderFooter.
renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter With {.HtmlFragment = "<h1>Header Content</h1>"}

' Set a custom paper size for the PDF in millimeters (width and height).
renderer.RenderingOptions.SetCustomPaperSizeinMilimeters(150, 150)

' Set the top margin to zero to start the content from the very top of the page.
renderer.RenderingOptions.MarginTop = 0

' Define a Markdown string that will be rendered as a PDF.
' Markdown text allows basic formatting like bold and italic styles.
Dim md As String = "This is some **bold** and *italic* text."

' Render the Markdown string to a PDF document.
' The library will convert Markdown syntax into equivalent HTML before rendering it as a PDF.
Dim pdf As PdfDocument = renderer.RenderMarkdownStringAsPdf(md)

' Save the generated PDF to a file named "renderingOptions.pdf."
pdf.SaveAs("renderingOptions.pdf")

Imports IronPdf

' Instantiate a ChromePdfRenderer object, which uses a headless version of the Chrome browser
' to render HTML/CSS as a PDF document.
Private renderer As New ChromePdfRenderer()

' Configure rendering options
' Enable printing of HTML backgrounds to ensure all styles are visible.
renderer.RenderingOptions.PrintHtmlBackgrounds = True

' Set HTML header content using HtmlHeaderFooter.
renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter With {.HtmlFragment = "<h1>Header Content</h1>"}

' Set a custom paper size for the PDF in millimeters (width and height).
renderer.RenderingOptions.SetCustomPaperSizeinMilimeters(150, 150)

' Set the top margin to zero to start the content from the very top of the page.
renderer.RenderingOptions.MarginTop = 0

' Define a Markdown string that will be rendered as a PDF.
' Markdown text allows basic formatting like bold and italic styles.
Dim md As String = "This is some **bold** and *italic* text."

' Render the Markdown string to a PDF document.
' The library will convert Markdown syntax into equivalent HTML before rendering it as a PDF.
Dim pdf As PdfDocument = renderer.RenderMarkdownStringAsPdf(md)

' Save the generated PDF to a file named "renderingOptions.pdf."
pdf.SaveAs("renderingOptions.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

設定自訂邊距

您可以通過調整邊距進一步定制輸出PDF的外觀，讓您可以精確控制佈局和間距。

ChromePdfRenderer renderer = new ChromePdfRenderer();

renderer.RenderingOptions.MarginTop = 40;
renderer.RenderingOptions.MarginLeft = 20;
renderer.RenderingOptions.MarginRight = 20;
renderer.RenderingOptions.MarginBottom = 40;

ChromePdfRenderer renderer = new ChromePdfRenderer();

renderer.RenderingOptions.MarginTop = 40;
renderer.RenderingOptions.MarginLeft = 20;
renderer.RenderingOptions.MarginRight = 20;
renderer.RenderingOptions.MarginBottom = 40;

Dim renderer As New ChromePdfRenderer()

renderer.RenderingOptions.MarginTop = 40
renderer.RenderingOptions.MarginLeft = 20
renderer.RenderingOptions.MarginRight = 20
renderer.RenderingOptions.MarginBottom = 40

Dim renderer As New ChromePdfRenderer()

renderer.RenderingOptions.MarginTop = 40
renderer.RenderingOptions.MarginLeft = 20
renderer.RenderingOptions.MarginRight = 20
renderer.RenderingOptions.MarginBottom = 40

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

灰度

要生成灰度PDF，我們在GrayScale屬性設為true。

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

// Set GrayScale to true
renderer.RenderingOptions.GrayScale = true;

PdfDocument pdf = renderer.RenderUrlAsPdf("https://ironsoftware.com/");
pdf.CopyPage(0).SaveAs("test.pdf");

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

// Set GrayScale to true
renderer.RenderingOptions.GrayScale = true;

PdfDocument pdf = renderer.RenderUrlAsPdf("https://ironsoftware.com/");
pdf.CopyPage(0).SaveAs("test.pdf");

Imports IronPdf

Dim renderer As New ChromePdfRenderer()

' Set GrayScale to true
renderer.RenderingOptions.GrayScale = True

Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://ironsoftware.com/")
pdf.CopyPage(0).SaveAs("test.pdf")

Imports IronPdf

Dim renderer As New ChromePdfRenderer()

' Set GrayScale to true
renderer.RenderingOptions.GrayScale = True

Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://ironsoftware.com/")
pdf.CopyPage(0).SaveAs("test.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

優化PDF版面

新增目錄

使用IronPDF建立動態目錄，幫助讀者輕鬆瀏覽您的文件。 IronPDF自動處理目錄，新增指向標題如h2的超連結。此外，您還可以使用HTML和CSS樣式自定義目錄的樣式。

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Configure render options
renderer.RenderingOptions = new ChromePdfRenderOptions
{
    // Enable table of content feature
    TableOfContents = TableOfContentsTypes.WithPageNumbers,
};

PdfDocument pdf = renderer.RenderHtmlFileAsPdf("tableOfContent.html");

pdf.SaveAs("tableOfContents.pdf");

using IronPdf;

// Instantiate Renderer
ChromePdfRenderer renderer = new ChromePdfRenderer();

// Configure render options
renderer.RenderingOptions = new ChromePdfRenderOptions
{
    // Enable table of content feature
    TableOfContents = TableOfContentsTypes.WithPageNumbers,
};

PdfDocument pdf = renderer.RenderHtmlFileAsPdf("tableOfContent.html");

pdf.SaveAs("tableOfContents.pdf");

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Configure render options
renderer.RenderingOptions = New ChromePdfRenderOptions With {.TableOfContents = TableOfContentsTypes.WithPageNumbers}

Dim pdf As PdfDocument = renderer.RenderHtmlFileAsPdf("tableOfContent.html")

pdf.SaveAs("tableOfContents.pdf")

Imports IronPdf

' Instantiate Renderer
Private renderer As New ChromePdfRenderer()

' Configure render options
renderer.RenderingOptions = New ChromePdfRenderOptions With {.TableOfContents = TableOfContentsTypes.WithPageNumbers}

Dim pdf As PdfDocument = renderer.RenderHtmlFileAsPdf("tableOfContent.html")

pdf.SaveAs("tableOfContents.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

分頁符

在部分之間新增分頁符，以明確分隔內容並改善文件的可讀性。使用IronPDF，只需使用HTML div style= page-break-after即可實現該效果。

using IronPdf;

const string html = @"
  <table style='border: 1px solid #000000'>
    <tr>
      <th>Company</th>
      <th>Product</th>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronPDF</td>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronOCR</td>
    </tr>
  </table>

  <div style='page-break-after: always;'> </div>

  <img src='https://ironpdf.com/img/products/ironpdf-logo-text-dotnet.svg'>";

var renderer = new ChromePdfRenderer();

var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SaveAs("Page_Break.pdf");

using IronPdf;

const string html = @"
  <table style='border: 1px solid #000000'>
    <tr>
      <th>Company</th>
      <th>Product</th>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronPDF</td>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronOCR</td>
    </tr>
  </table>

  <div style='page-break-after: always;'> </div>

  <img src='https://ironpdf.com/img/products/ironpdf-logo-text-dotnet.svg'>";

var renderer = new ChromePdfRenderer();

var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SaveAs("Page_Break.pdf");

Imports IronPdf

Private Const html As String = "
  <table style='border: 1px solid #000000'>
    <tr>
      <th>Company</th>
      <th>Product</th>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronPDF</td>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronOCR</td>
    </tr>
  </table>

  <div style='page-break-after: always;'> </div>

  <img src='https://ironpdf.com/img/products/ironpdf-logo-text-dotnet.svg'>"

Private renderer = New ChromePdfRenderer()

Private pdf = renderer.RenderHtmlAsPdf(html)
pdf.SaveAs("Page_Break.pdf")

Imports IronPdf

Private Const html As String = "
  <table style='border: 1px solid #000000'>
    <tr>
      <th>Company</th>
      <th>Product</th>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronPDF</td>
    </tr>
    <tr>
      <td>Iron Software</td>
      <td>IronOCR</td>
    </tr>
  </table>

  <div style='page-break-after: always;'> </div>

  <img src='https://ironpdf.com/img/products/ironpdf-logo-text-dotnet.svg'>"

Private renderer = New ChromePdfRenderer()

Private pdf = renderer.RenderHtmlAsPdf(html)
pdf.SaveAs("Page_Break.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

適合紙張和縮放

需要幫助決定如何根據指定紙張尺寸調整內容的尺寸嗎？IronPDF可透過UseChromeDefault為您解決這一問題，它模仿了Google Chrome的列印預覽如何縮放內容以適應頁面。

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

// Chrome default rendering
renderer.RenderingOptions.PaperFit.UseChromeDefaultRendering();

// Render web URL to PDF
PdfDocument pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page");

pdf.SaveAs("chromeDefault.pdf");

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();

// Chrome default rendering
renderer.RenderingOptions.PaperFit.UseChromeDefaultRendering();

// Render web URL to PDF
PdfDocument pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page");

pdf.SaveAs("chromeDefault.pdf");

Imports IronPdf

Private renderer As New ChromePdfRenderer()

' Chrome default rendering
renderer.RenderingOptions.PaperFit.UseChromeDefaultRendering()

' Render web URL to PDF
Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

pdf.SaveAs("chromeDefault.pdf")

Imports IronPdf

Private renderer As New ChromePdfRenderer()

' Chrome default rendering
renderer.RenderingOptions.PaperFit.UseChromeDefaultRendering()

' Render web URL to PDF
Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/Main_Page")

pdf.SaveAs("chromeDefault.pdf")

如需本程式碼片段的詳細說明及其更多功能，請參閱我們的綜合操作指南。

結論

上述例子展示了當使用IronPDF將各種格式轉換為PDF時，您可以解鎖的令人印象深刻的功能和突出的特點。

如果您希望請求一個功能或對IronPDF或授權有一般性問題，請聯絡我們的支援團隊。我們將非常樂意為您提供幫助。

常見問題

如何在 .NET Core 中將 HTML 轉換為 PDF？

要在 .NET Core 中將 HTML 轉換為 PDF，請使用 IronPDF 程式庫。首先，通過 NuGet 安裝套件。然後，建立一個 ChromePdfRenderer 的實例並利用 RenderHtmlAsPdf 方法將 HTML 字串轉換為 PDF 格式。

如何將實時網址轉換為 PDF 文件？

您可以使用 IronPDF 將實時網址轉換為 PDF 文件，方法是通過 NuGet 安裝程式庫，建立一個 ChromePdfRenderer 實例，然後調用 RenderUrlAsPdf 方法，使用您想要轉換的網頁網址。

將 Razor 視圖轉換為 PDF 的步驟是什麼？

要將 Razor 視圖轉換為 PDF，請將視圖呈現為 HTML 字串，然後將其傳遞給 IronPDF 的 RenderHtmlAsPdf 方法。這允許從 MVC 視圖建立具有完整資料繫結的動態 PDF。

現有的 PDF 文件可以被修改嗎？

可以，使用 IronPDF 可以修改現有的 PDF 文件。使用 PdfDocument.FromFile 載入 PDF，然後應用修改，例如合併、新增頁眉/頁腳或更改安全設置。

有哪些選項可用於渲染 PDF？

IronPDF 通過 ChromePdfRenderOptions 提供各種渲染選項。您可以自訂紙張大小、方向、邊距等，確保您的 PDF 符合特定的佈局和樣式要求。

如何在 Docker 環境中部署 PDF？

通過在您的 Dockerfile 中配置 Linux 依賴項來在 Docker 環境中部署 PDF。使用 IronPDF 的 IronPdf.Installation.LinuxAndDockerDependenciesAutoConfig 來自動處理容器化應用程式中的依賴項。

是否可以將數位簽名新增到 PDF 文件？

是的，可以使用 PdfSignature 類將數位簽名新增到 PDF 文件。通過使用 Sign 方法和憑證文件，您可以確保文件的真實性和完整性。

IronPDF 為 PDF 提供了哪些安全功能？

IronPDF 提供強大的安全功能，包括密碼保護、加密和存取控制。通過 SecuritySettings 屬性設置這些功能，以管理查看、列印和編輯的權限。

如何從 PDF 文件中提取文字和圖像？

可以使用 IronPDF 的 ExtractAllText 和 ExtractAllImages 方法從 PDF 文件中提取文字和圖像。這些方法允許從整個文件或特定頁面處理資料。

如何將水印應用到 PDF 文件？

可以通過使用 IronPDF 的 Watermark 屬性與 HtmlStamp 物件一起將水印應用到 PDF 文件中。對於更高級的需求，HtmlStamper 類支持具有可自訂樣式的基於 HTML 的印章。

IronPDF 是否與 .NET 10 相容，以及如何在 .NET 10 專案中使用它呢？

是的 - IronPDF 完全支援 .NET 10 作為其跨平臺、現代 .NET 版本支持的一部分。要在 .NET 10 專案中使用，它，請安裝 IronPdf NuGet 套件，在項目文件中引用它面向 net10.0，然後使用 ChromePdfRenderer 類和 RenderHtmlAsPdf 等方法，就像在早期的 .NET 版本中一樣。您可以從 .NET 10 的性能提升、記憶體使用以及運行時增強中獲益，無論是渲染還是操作 PDF。

Jacob Mellor

立即與工程團隊聊天

首席技術官

Jacob Mellor是Iron Software的首席技術官，一位在C# PDF技術上開創先河的遠見工程師。作為Iron Software核心程式碼庫的原開發者，他從創立以來就一直在塑造公司的產品架構，與首席執行官Cameron Rimington一起將公司轉變為服務於NASA、特斯拉和全球政府公司的50多名人員的公司。

...

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使用NuGet安裝

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PM > Install-Package IronPdf

nuget.org/packages/IronPdf/

在解決方案資源管理器，右鍵點選參考，管理NuGet包
選擇瀏覽並搜尋"IronPdf"
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或者點擊此處下載Windows安裝程式。

下載並解壓IronPDF到類似~/Libs的位置，位於您的解決方案目錄中
在Visual Studio解決方案資源管理器，右鍵點選參考。選擇瀏覽，"IronPdf.dll"

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How to Convert HTML to PDF in C# .NET Core

1Install IronPDF with NuGet Package Manager

2複製並運行這段程式碼片段。

3部署以在您的實時環境中測試

多功能PDF轉換

從HTML字串生成PDF

從HTML生成PDF

從URL生成PDF

將圖像轉換為PDF

從PDF生成圖像

將DOCX轉換為PDF

將RTF轉換為PDF

將MD轉換為PDF

將XML轉換為PDF

將PDF轉換為HTML

動態網頁到PDF

從ASPX頁面生成PDF

XAML到PDF (MAUI)

生成PDF報告

在Blazor伺服器中建立PDF

Razor到PDF (Blazor伺服器)

CSHTML到PDF

CSHTML到PDF (Razor頁面)

CSHTML到PDF (MVC核心)

CSHTML到PDF (MVC框架)

CSHTML到PDF (無頭)

Milan Jovanovic

Brent Matzelle

網頁可存取性

TLS網站和系統登入

Cookies

HTTP請求頭

定制化PDF轉換

渲染選項

設定自訂邊距

灰度

優化PDF版面

新增目錄

分頁符

適合紙張和縮放

結論

常見問題

如何在 .NET Core 中將 HTML 轉換為 PDF？

如何將實時網址轉換為 PDF 文件？

將 Razor 視圖轉換為 PDF 的步驟是什麼？

現有的 PDF 文件可以被修改嗎？

有哪些選項可用於渲染 PDF？

如何在 Docker 環境中部署 PDF？

是否可以將數位簽名新增到 PDF 文件？

IronPDF 為 PDF 提供了哪些安全功能？

如何從 PDF 文件中提取文字和圖像？

如何將水印應用到 PDF 文件？

IronPDF 是否與 .NET 10 相容，以及如何在 .NET 10 專案中使用它呢？

產品連結