C# PDF库

HTML到PDF

using IronPdf;

// Disable local disk access or cross-origin requests
Installation.EnableWebSecurity = true;

// 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");

// Advanced Example with HTML Assets
// Load external html assets: Images, CSS and JavaScript.
// An optional BasePath 'C:\site\assets\' is set as the file location to load assets from
var myAdvancedPdf = renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", @"C:\site\assets\");
myAdvancedPdf.SaveAs("html-with-assets.pdf");

using IronPdf;

// Disable local disk access or cross-origin requests
Installation.EnableWebSecurity = true;

// 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");

// Advanced Example with HTML Assets
// Load external html assets: Images, CSS and JavaScript.
// An optional BasePath 'C:\site\assets\' is set as the file location to load assets from
var myAdvancedPdf = renderer.RenderHtmlAsPdf("<img src='icons/iron.png'>", @"C:\site\assets\");
myAdvancedPdf.SaveAs("html-with-assets.pdf");

PM >Install-Package IronPdf

Install-Package IronPdf

视频

如何在C#中合并或拆分PDF文件

Curtis Chau

Updated: 2026年7月19日

FastReport.NET 是专为 .NET 生态系统打造的强大报告解决方案，具有可视化报告设计器和基于频带的架构，可用于创建复杂的数据驱动型报告。然而，FastReport 对现代 PDF 生成工作流程提出了重大挑战：报表设计器依赖性限制了代码优先开发，围绕基于带的概念（DataBand、PageHeaderBand）的学习曲线陡峭，使用专有格式的 CSS 支持有限，使用 RegisterData() 模板的复杂数据绑定，以及需要多次安装的零散 NuGet 包。本综合指南提供了从快速报告逐步迁移到IronPDF的路径--IronPDF 是一种通用 PDF 库，利用 HTML/CSS 网络技术实现灵活的程序化文档生成。

为什么要从快速报告迁移到 IronPDF？

FastReport.NET在报告方面的专业性为需要多功能PDF生成的开发团队带来了摩擦。了解这些架构差异对于规划迁移至关重要。

###快速报告的挑战

1.**报表设计器依赖性：**创建复杂的布局需要可视化设计器或对 .frx 文件结构有深入的了解——不适合代码优先的开发方法。

2.**学习曲线陡峭：**快速报告基于带状结构的架构（DataBand、PageHeaderBand、PageFooterBand）需要理解报表特有的概念，这些概念无法转移到其他技术中。

**CSS 支持有限：**不支持 Web 标准样式；样式设计通过快速报告的专有格式完成，而不是熟悉的 CSS。

4.复杂的数据绑定： RegisterData() 和 DataSource 连接为简单的 PDF 生成场景增加了样板代码。

5.**分散的包：**需要多个 NuGet 包才能实现完整功能（FastReport.OpenSource、FastReport.OpenSource.Export.PdfSimple 等）。 PDFSimpleExport 在OpenSource版本中光栅化页面，因此输出的PDF中包含的是文本的图像而不是可选择的文本。

**许可复杂性：**OpenSource版本（MIT）通过PDFSimpleExport提供基于图像的PDF备用。可选择文本PDF导出、加密、数字签名和PDF/A需要商业的https://nuget.fast-report.com/api/v3/index.json）上，而不是在nuget.org上。只有FastReport.Net.Demo（页面限制，水印）在nuget.org上。

架构比较

方面	快速报告	IronPDF
设计方法	可视化设计器 + .frx 文件	HTML/CSS （网络技术）
学习曲线	陡峭（基于波段的概念）	温柔（HTML/CSS 知识）
数据绑定	注册数据(), 数据带	字符串插值、Razor、模板化
CSS支持	有限的	带有 Flexbox/Grid 的完整 CSS3
软件包模型	多个软件包	单个软件包（所有功能）
渲染引擎	自定义报告引擎；OpenSource PDF 导出光栅化	嵌入式 Chromium
PDF 操作	注重出口	完整（合并、拆分、安全、表单）
现代.NET	.NET Framework 4.6.2+ / .NET 6+	.NET Framework 4.6.2+ / .NET 6/7/8/9+

主要迁移优势

**Web技术：**使用熟悉的HTML/CSS，而不是专有的基于频段的布局 2.**代码优先开发：**无需依赖可视化设计器即可通过编程方式生成 PDF。 3.**单个包：**一个 NuGet 包包含所有 PDF 功能 4.**现代渲染：**采用最新的 Chromium 引擎，实现像素级精准的 CSS3 输出 5.**完整的 PDF 操作：**合并、拆分、安全设置、表单——不仅仅是导出

迁移前准备

前提条件

确保您的环境符合这些要求：

.NET Framework 4.6.2+ 或 .NET Core 3.1 / .NET 5-9
Visual Studio 2019+ 或带有 C# 扩展的 VS Code
访问 NuGet 包管理器 -IronPDF许可证密钥（可在ironpdf.com免费试用）

审计快速报告的使用

在解决方案目录中运行这些命令，以识别所有快速报告引用：

# Find all快速报告references
grep -r "FastReport\|\.frx\|PDFExport\|PDFSimpleExport\|DataBand\|RegisterData" --include="*.cs" --include="*.csproj" .

# Check NuGet packages
dotnet list package | grep FastReport

# Find all快速报告references
grep -r "FastReport\|\.frx\|PDFExport\|PDFSimpleExport\|DataBand\|RegisterData" --include="*.cs" --include="*.csproj" .

# Check NuGet packages
dotnet list package | grep FastReport

SHELL

记录您的报告模板

迁移之前，列出所有.frx文件及其用途：

报告名称和目的
使用的数据源
页眉/页脚配置
页码要求
特殊格式或样式

理解范式转变

从快速报告迁移到IronPDF时，最重要的变化是基本设计方法。 FastReport使用基于乐谱的视觉设计，包含.frx模板文件和像DataBand、PageHeaderBand和RegisterData()这样的专有概念。IronPDF使用大多数开发人员已经掌握的 HTML/CSS 网络技术。

这意味着要将快速报告带配置转换为 HTML 模板，通过字符串插值或 Razor 模板将 RegisterData() 替换为直接数据绑定，并将 PageHeaderBand/PageFooterBand 转换为基于 HTML 的页眉和页脚。

逐步迁移过程

步骤 1：更新 NuGet 软件包

删除所有快速报告软件包并安装 IronPDF：

# Remove all快速报告packages
dotnet remove package FastReport.OpenSource
dotnet remove package FastReport.OpenSource.Export.PdfSimple
dotnet remove package FastReport.OpenSource.Web
dotnet remove package FastReport.OpenSource.Data.MsSql

# InstallIronPDF(includes all features)
dotnet add package IronPdf

# Remove all快速报告packages
dotnet remove package FastReport.OpenSource
dotnet remove package FastReport.OpenSource.Export.PdfSimple
dotnet remove package FastReport.OpenSource.Web
dotnet remove package FastReport.OpenSource.Data.MsSql

# InstallIronPDF(includes all features)
dotnet add package IronPdf

SHELL

步骤 2：更新命名空间引用

用IronPDF替换快速报告命名空间：

// Remove these
using FastReport;
using FastReport.Export.PdfSimple;
using System.IO;

// Add this
using IronPdf;

// Remove these
using FastReport;
using FastReport.Export.PdfSimple;
using System.IO;

// Add this
using IronPdf;

Imports IronPdf

Imports IronPdf

步骤 3：配置许可证

// Add at application startup (Program.cs or Startup.cs)
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY";

// Add at application startup (Program.cs or Startup.cs)
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY";

' Add at application startup (Program.vb or Startup.vb)
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY"

' Add at application startup (Program.vb or Startup.vb)
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY"

完整的 API 迁移参考

核心类映射

快速报告类	IronPDF 同等产品
`Report`	`ChromePdfRenderer`
`PDFExport`	`ChromePdfRenderer` + `SecuritySettings`
`PDFSimpleExport`	`ChromePdfRenderer`
`ReportPage`	HTML `<body>` 或 `<div>`
`TextObject`	HTML `<div>`
`HTMLObject`	直接 HTML 渲染
`PageHeaderBand`	`HtmlHeaderFooter`
`PageFooterBand`	`HtmlHeaderFooter`

方法映射

快速报告方法	IronPDF 同等产品
`report.Load("template.frx")`	HTML 模板文件或字符串
`report.RegisterData(data, "name")`	字符串插值或 Razor
`report.Prepare()`	不适用
`report.Export(export, stream)`	`pdf.SaveAs(path)`

页码占位符转换

FastReport 和IronPDF对页码使用不同的占位符语法：

快速报告	IronPDF
`[Page]`	`{page}`
`[TotalPages]`	`{total-pages}`

代码迁移示例

HTML 到 PDF 转换

本例展示了快速报告的 HTMLObject 方法与IronPDF的直接渲染之间的根本区别。

FastReport 实现：

// NuGet: Install-Package FastReport.OpenSource
//        Install-Package FastReport.OpenSource.Export.PdfSimple
using FastReport;
using FastReport.Export.PdfSimple;
using System.Drawing;
using System.IO;

class Program
{
    static void Main()
    {
        using (Report report = new Report())
        {
            //快速报告renders nothing unless objects live on a band that lives on a ReportPage.
            ReportPage page = new ReportPage();
            report.Pages.Add(page);
            page.ReportTitle = new ReportTitleBand { Height = Units.Millimeters * 100 };

            // Create HTML object (FastReport class is HtmlObject)
            HtmlObject htmlObject = new HtmlObject();
            htmlObject.Bounds = new RectangleF(0, 0, Units.Millimeters * 190, Units.Millimeters * 100);
            htmlObject.Text = "<html><body><h1>Hello World</h1><p>This is a test PDF</p></body></html>";
            page.ReportTitle.Objects.Add(htmlObject);

            report.Prepare();

            // PDFSimpleExport rasterizes each page — text is not selectable
            PDFSimpleExport pdfExport = new PDFSimpleExport();
            using (FileStream fs = new FileStream("output.pdf", FileMode.Create))
            {
                report.Export(pdfExport, fs);
            }
        }
    }
}

// NuGet: Install-Package FastReport.OpenSource
//        Install-Package FastReport.OpenSource.Export.PdfSimple
using FastReport;
using FastReport.Export.PdfSimple;
using System.Drawing;
using System.IO;

class Program
{
    static void Main()
    {
        using (Report report = new Report())
        {
            //快速报告renders nothing unless objects live on a band that lives on a ReportPage.
            ReportPage page = new ReportPage();
            report.Pages.Add(page);
            page.ReportTitle = new ReportTitleBand { Height = Units.Millimeters * 100 };

            // Create HTML object (FastReport class is HtmlObject)
            HtmlObject htmlObject = new HtmlObject();
            htmlObject.Bounds = new RectangleF(0, 0, Units.Millimeters * 190, Units.Millimeters * 100);
            htmlObject.Text = "<html><body><h1>Hello World</h1><p>This is a test PDF</p></body></html>";
            page.ReportTitle.Objects.Add(htmlObject);

            report.Prepare();

            // PDFSimpleExport rasterizes each page — text is not selectable
            PDFSimpleExport pdfExport = new PDFSimpleExport();
            using (FileStream fs = new FileStream("output.pdf", FileMode.Create))
            {
                report.Export(pdfExport, fs);
            }
        }
    }
}

IronPDF 实现：

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderHtmlAsPdf("<html><body><h1>Hello World</h1><p>This is a test PDF</p></body></html>");
        pdf.SaveAs("output.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderHtmlAsPdf("<html><body><h1>Hello World</h1><p>This is a test PDF</p></body></html>");
        pdf.SaveAs("output.pdf");
    }
}

Imports IronPdf

Class Program
    Shared Sub Main()
        Dim renderer = New ChromePdfRenderer()
        Dim pdf = renderer.RenderHtmlAsPdf("<html><body><h1>Hello World</h1><p>This is a test PDF</p></body></html>")
        pdf.SaveAs("output.pdf")
    End Sub
End Class

Imports IronPdf

Class Program
    Shared Sub Main()
        Dim renderer = New ChromePdfRenderer()
        Dim pdf = renderer.RenderHtmlAsPdf("<html><body><h1>Hello World</h1><p>This is a test PDF</p></body></html>")
        pdf.SaveAs("output.pdf")
    End Sub
End Class

FastReport要求创建一个Report对象，附加HtmlObject放在具有显式界限的乐谱上，准备报告，并通过流导出。 PDFSimpleExport将输出光栅化，因此生成的PDF中包含的是文本的图像而不是可选择的文本。 IronPDF通过直接HTML渲染和可选择文本输出在三行中实现相同的结果。有关更多选项，请参阅 HTML 转 PDF 文档。

URL到PDF转换

本示例重点说明了快速报告需要手动下载 HTML，而IronPDF可原生处理 URL 渲染。

FastReport 实现：

// NuGet: Install-Package FastReport.OpenSource
//        Install-Package FastReport.OpenSource.Export.PdfSimple
//快速报告has no native URL-to-PDF. You must download the HTML yourself
// and feed it into HtmlObject — which handles only a limited HTML 4 subset,
// no JavaScript and no modern CSS.
using FastReport;
using FastReport.Export.PdfSimple;
using System.Drawing;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        // Download HTML content from URL
        string htmlContent;
        using (var client = new HttpClient())
        {
            htmlContent = await client.GetStringAsync("https://example.com");
        }

        using (Report report = new Report())
        {
            ReportPage page = new ReportPage();
            report.Pages.Add(page);
            page.ReportTitle = new ReportTitleBand { Height = Units.Millimeters * 250 };

            HtmlObject htmlObject = new HtmlObject();
            htmlObject.Bounds = new RectangleF(0, 0, Units.Millimeters * 190, Units.Millimeters * 250);
            htmlObject.Text = htmlContent;
            page.ReportTitle.Objects.Add(htmlObject);

            report.Prepare();

            PDFSimpleExport pdfExport = new PDFSimpleExport();
            using (FileStream fs = new FileStream("webpage.pdf", FileMode.Create))
            {
                report.Export(pdfExport, fs);
            }
        }
    }
}

// NuGet: Install-Package FastReport.OpenSource
//        Install-Package FastReport.OpenSource.Export.PdfSimple
//快速报告has no native URL-to-PDF. You must download the HTML yourself
// and feed it into HtmlObject — which handles only a limited HTML 4 subset,
// no JavaScript and no modern CSS.
using FastReport;
using FastReport.Export.PdfSimple;
using System.Drawing;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        // Download HTML content from URL
        string htmlContent;
        using (var client = new HttpClient())
        {
            htmlContent = await client.GetStringAsync("https://example.com");
        }

        using (Report report = new Report())
        {
            ReportPage page = new ReportPage();
            report.Pages.Add(page);
            page.ReportTitle = new ReportTitleBand { Height = Units.Millimeters * 250 };

            HtmlObject htmlObject = new HtmlObject();
            htmlObject.Bounds = new RectangleF(0, 0, Units.Millimeters * 190, Units.Millimeters * 250);
            htmlObject.Text = htmlContent;
            page.ReportTitle.Objects.Add(htmlObject);

            report.Prepare();

            PDFSimpleExport pdfExport = new PDFSimpleExport();
            using (FileStream fs = new FileStream("webpage.pdf", FileMode.Create))
            {
                report.Export(pdfExport, fs);
            }
        }
    }
}

IronPDF 实现：

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderUrlAsPdf("https://example.com");
        pdf.SaveAs("webpage.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderUrlAsPdf("https://example.com");
        pdf.SaveAs("webpage.pdf");
    }
}

Imports IronPdf

Class Program
    Shared Sub Main()
        Dim renderer = New ChromePdfRenderer()
        Dim pdf = renderer.RenderUrlAsPdf("https://example.com")
        pdf.SaveAs("webpage.pdf")
    End Sub
End Class

Imports IronPdf

Class Program
    Shared Sub Main()
        Dim renderer = New ChromePdfRenderer()
        Dim pdf = renderer.RenderUrlAsPdf("https://example.com")
        pdf.SaveAs("webpage.pdf")
    End Sub
End Class

FastReport没有本地的URL到PDF —— 需要您自己用HtmlObject中，然后导出。 HtmlObject 仅处理有限的HTML 4子集，没有JavaScript执行和现代CSS，而PDFSimpleExport将输出光栅化。 IronPDF的RenderUrlAsPdf直接使用嵌入的Chromium引擎渲染实时网页并完整执行JavaScript。欲了解更多选项，请参见URL到PDF文档。

带页码的页眉和页脚

本例展示了快速报告基于带状的系统与IronPDF基于 HTML 的方法之间的复杂性差异。

FastReport 实现：

// NuGet: Install-Package FastReport.OpenSource
//        Install-Package FastReport.OpenSource.Export.PdfSimple
using FastReport;
using FastReport.Export.PdfSimple;
using System.Drawing;
using System.IO;

class Program
{
    static void Main()
    {
        using (Report report = new Report())
        {
            report.Load("template.frx");

            // Cast to ReportPage (Report.Pages can hold dialog pages too)
            ReportPage page = report.Pages[0] as ReportPage;

            // Page header — assigned to the band slot on the page
            page.PageHeader = new PageHeaderBand { Height = Units.Millimeters * 15 };
            TextObject headerText = new TextObject
            {
                Bounds = new RectangleF(0, 0, Units.Millimeters * 190, Units.Millimeters * 10),
                Text = "Document Header",
                HorzAlign = HorzAlign.Center
            };
            page.PageHeader.Objects.Add(headerText);

            // Page footer with快速报告page tokens [Page] and [TotalPages]
            page.PageFooter = new PageFooterBand { Height = Units.Millimeters * 15 };
            TextObject footerText = new TextObject
            {
                Bounds = new RectangleF(0, 0, Units.Millimeters * 190, Units.Millimeters * 10),
                Text = "Page [Page] of [TotalPages]",
                HorzAlign = HorzAlign.Right
            };
            page.PageFooter.Objects.Add(footerText);

            report.Prepare();

            PDFSimpleExport pdfExport = new PDFSimpleExport();
            using (FileStream fs = new FileStream("report.pdf", FileMode.Create))
            {
                report.Export(pdfExport, fs);
            }
        }
    }
}

// NuGet: Install-Package FastReport.OpenSource
//        Install-Package FastReport.OpenSource.Export.PdfSimple
using FastReport;
using FastReport.Export.PdfSimple;
using System.Drawing;
using System.IO;

class Program
{
    static void Main()
    {
        using (Report report = new Report())
        {
            report.Load("template.frx");

            // Cast to ReportPage (Report.Pages can hold dialog pages too)
            ReportPage page = report.Pages[0] as ReportPage;

            // Page header — assigned to the band slot on the page
            page.PageHeader = new PageHeaderBand { Height = Units.Millimeters * 15 };
            TextObject headerText = new TextObject
            {
                Bounds = new RectangleF(0, 0, Units.Millimeters * 190, Units.Millimeters * 10),
                Text = "Document Header",
                HorzAlign = HorzAlign.Center
            };
            page.PageHeader.Objects.Add(headerText);

            // Page footer with快速报告page tokens [Page] and [TotalPages]
            page.PageFooter = new PageFooterBand { Height = Units.Millimeters * 15 };
            TextObject footerText = new TextObject
            {
                Bounds = new RectangleF(0, 0, Units.Millimeters * 190, Units.Millimeters * 10),
                Text = "Page [Page] of [TotalPages]",
                HorzAlign = HorzAlign.Right
            };
            page.PageFooter.Objects.Add(footerText);

            report.Prepare();

            PDFSimpleExport pdfExport = new PDFSimpleExport();
            using (FileStream fs = new FileStream("report.pdf", FileMode.Create))
            {
                report.Export(pdfExport, fs);
            }
        }
    }
}

IronPDF 实现：

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        
        // Configure header and footer
        renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
        {
            HtmlFragment = "<div style='text-align:center'>Document Header</div>"
        };
        
        renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter()
        {
            HtmlFragment = "<div style='text-align:center'>Page {page} of {total-pages}</div>"
        };
        
        var pdf = renderer.RenderHtmlAsPdf("<html><body><h1>Report Content</h1><p>This is the main content.</p></body></html>");
        pdf.SaveAs("report.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        
        // Configure header and footer
        renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter()
        {
            HtmlFragment = "<div style='text-align:center'>Document Header</div>"
        };
        
        renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter()
        {
            HtmlFragment = "<div style='text-align:center'>Page {page} of {total-pages}</div>"
        };
        
        var pdf = renderer.RenderHtmlAsPdf("<html><body><h1>Report Content</h1><p>This is the main content.</p></body></html>");
        pdf.SaveAs("report.pdf");
    }
}

' NuGet: Install-Package IronPdf
Imports IronPdf

Class Program
    Shared Sub Main()
        Dim renderer = New ChromePdfRenderer()
        
        ' Configure header and footer
        renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter() With {
            .HtmlFragment = "<div style='text-align:center'>Document Header</div>"
        }
        
        renderer.RenderingOptions.HtmlFooter = New HtmlHeaderFooter() With {
            .HtmlFragment = "<div style='text-align:center'>Page {page} of {total-pages}</div>"
        }
        
        Dim pdf = renderer.RenderHtmlAsPdf("<html><body><h1>Report Content</h1><p>This is the main content.</p></body></html>")
        pdf.SaveAs("report.pdf")
    End Sub
End Class

' NuGet: Install-Package IronPdf
Imports IronPdf

Class Program
    Shared Sub Main()
        Dim renderer = New ChromePdfRenderer()
        
        ' Configure header and footer
        renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter() With {
            .HtmlFragment = "<div style='text-align:center'>Document Header</div>"
        }
        
        renderer.RenderingOptions.HtmlFooter = New HtmlHeaderFooter() With {
            .HtmlFragment = "<div style='text-align:center'>Page {page} of {total-pages}</div>"
        }
        
        Dim pdf = renderer.RenderHtmlAsPdf("<html><body><h1>Report Content</h1><p>This is the main content.</p></body></html>")
        pdf.SaveAs("report.pdf")
    End Sub
End Class

FastReport要求加载模板，将PageHeader / TextObject实例到每个乐谱。 IronPDF使用HtmlHeaderFooter与简单的HTML片段——可以用完整的CSS来设置页眉和页脚。请注意页码语法的更改：[Page] 变为 [TotalPages] 变为 {total-pages}。有关更多选项，请参阅页眉和页脚文档。

关键迁移说明

无 .frx 模板文件

FastReport 模板 (.frx) 无法与IronPDF一起使用。将您的布局转换为 HTML/CSS 模板：

//快速报告- loads .frx template
report.Load("report.frx");

//IronPDF- use HTML template
var html = File.ReadAllText("template.html");
var pdf = renderer.RenderHtmlAsPdf(html);

//快速报告- loads .frx template
report.Load("report.frx");

//IronPDF- use HTML template
var html = File.ReadAllText("template.html");
var pdf = renderer.RenderHtmlAsPdf(html);

'快速报告- loads .frx template
report.Load("report.frx")

'IronPDF- use HTML template
Dim html As String = File.ReadAllText("template.html")
Dim pdf = renderer.RenderHtmlAsPdf(html)

'快速报告- loads .frx template
report.Load("report.frx")

'IronPDF- use HTML template
Dim html As String = File.ReadAllText("template.html")
Dim pdf = renderer.RenderHtmlAsPdf(html)

数据绑定转换

用直接生成 HTML 取代 RegisterData()：

// FastReport
report.RegisterData(dataSet, "Data");
report.GetDataSource("Data").Enabled = true;

//IronPDF- use string interpolation or StringBuilder
var html = new StringBuilder();
foreach (var item in data)
{
    html.Append($"<tr><td>{item.Name}</td><td>{item.Value}</td></tr>");
}
var pdf = renderer.RenderHtmlAsPdf(html.ToString());

// FastReport
report.RegisterData(dataSet, "Data");
report.GetDataSource("Data").Enabled = true;

//IronPDF- use string interpolation or StringBuilder
var html = new StringBuilder();
foreach (var item in data)
{
    html.Append($"<tr><td>{item.Name}</td><td>{item.Value}</td></tr>");
}
var pdf = renderer.RenderHtmlAsPdf(html.ToString());

Imports System.Text

' FastReport
report.RegisterData(dataSet, "Data")
report.GetDataSource("Data").Enabled = True

' IronPDF - use string interpolation or StringBuilder
Dim html As New StringBuilder()
For Each item In data
    html.Append($"<tr><td>{item.Name}</td><td>{item.Value}</td></tr>")
Next
Dim pdf = renderer.RenderHtmlAsPdf(html.ToString())

Imports System.Text

' FastReport
report.RegisterData(dataSet, "Data")
report.GetDataSource("Data").Enabled = True

' IronPDF - use string interpolation or StringBuilder
Dim html As New StringBuilder()
For Each item In data
    html.Append($"<tr><td>{item.Name}</td><td>{item.Value}</td></tr>")
Next
Dim pdf = renderer.RenderHtmlAsPdf(html.ToString())

安全设置

//IronPDFsecurity
var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SecuritySettings.UserPassword = "password";
pdf.SecuritySettings.OwnerPassword = "ownerPassword";
pdf.SecuritySettings.AllowUserPrinting = PdfPrintSecurity.FullPrintRights;

//IronPDFsecurity
var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SecuritySettings.UserPassword = "password";
pdf.SecuritySettings.OwnerPassword = "ownerPassword";
pdf.SecuritySettings.AllowUserPrinting = PdfPrintSecurity.FullPrintRights;

'IronPDFsecurity
Dim pdf = renderer.RenderHtmlAsPdf(html)
pdf.SecuritySettings.UserPassword = "password"
pdf.SecuritySettings.OwnerPassword = "ownerPassword"
pdf.SecuritySettings.AllowUserPrinting = PdfPrintSecurity.FullPrintRights

'IronPDFsecurity
Dim pdf = renderer.RenderHtmlAsPdf(html)
pdf.SecuritySettings.UserPassword = "password"
pdf.SecuritySettings.OwnerPassword = "ownerPassword"
pdf.SecuritySettings.AllowUserPrinting = PdfPrintSecurity.FullPrintRights

有关全面的安全选项，请参阅加密文档。