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; using System; // Step 1. Creating a PDF with editable forms from HTML using form and input tags // Radio Button and Checkbox can also be implemented with input type 'radio' and 'checkbox' const string formHtml = @" <html> <body> <h2>Editable PDF Form</h2> <form> First name: <br> <input type='text' name='firstname' value=''> <br> Last name: <br> <input type='text' name='lastname' value=''> <br> <br> <p>Please specify your gender:</p> <input type='radio' id='female' name='gender' value= 'Female'> <label for='female'>Female</label> <br> <br> <input type='radio' id='male' name='gender' value='Male'> <label for='male'>Male</label> <br> <br> <input type='radio' id='non-binary/other' name='gender' value='Non-Binary / Other'> <label for='non-binary/other'>Non-Binary / Other</label> <br> <p>Please select all medical conditions that apply:</p> <input type='checkbox' id='condition1' name='Hypertension' value='Hypertension'> <label for='condition1'> Hypertension</label><br> <input type='checkbox' id='condition2' name='Heart Disease' value='Heart Disease'> <label for='condition2'> Heart Disease</label><br> <input type='checkbox' id='condition3' name='Stoke' value='Stoke'> <label for='condition3'> Stoke</label><br> <input type='checkbox' id='condition4' name='Diabetes' value='Diabetes'> <label for='condition4'> Diabetes</label><br> <input type='checkbox' id='condition5' name='Kidney Disease' value='Kidney Disease'> <label for='condition5'> Kidney Disease</label><br> </form> </body> </html>"; // Instantiate Renderer var renderer = new ChromePdfRenderer(); renderer.RenderingOptions.CreatePdfFormsFromHtml = true; renderer.RenderHtmlAsPdf(formHtml).SaveAs("BasicForm.pdf"); // Step 2. Reading and Writing PDF form values. var FormDocument = PdfDocument.FromFile("BasicForm.pdf"); // Set and Read the value of the "firstname" field var FirstNameField = FormDocument.Form.FindFormField("firstname"); FirstNameField.Value = "Minnie"; Console.WriteLine("FirstNameField value: {0}", FirstNameField.Value); // Set and Read the value of the "lastname" field var LastNameField = FormDocument.Form.FindFormField("lastname"); LastNameField.Value = "Mouse"; Console.WriteLine("LastNameField value: {0}", LastNameField.Value); FormDocument.SaveAs("FilledForm.pdf");

使用IRONPDF

.NET转换器的PDF库

更新 2023年十二月3日

有了正确的指南，在 C# .NET 库中制作 PDF 将变得简单而高效。使用 IronPDF，我们可以根据应用程序的要求以简单的方式创建和编辑 PDF。下面是一个教程示例，说明如何在项目中高效使用该软件，只需点击一个按钮即可创建 PDF!

步骤 1

1.安装 C# PDF Library .NET

访问该库的两种主要方式是

下载并解压 DLL 文件
导航 NuGet 并通过 Visual Studio 安装软件包。

Install-Package IronPdf

教程

2.使用 PDF .NET 库

现在我们有了软件，就可以生成PDF, 调整设置添加自定义文本和图像和处理 PDF 以满足我们的项目要求。

在下面的代码中，我们使用了一个 C# 表单，简单演示了如何使用 C# .NET 库创建 PDF。在其中，我们用一个文本框来写入自己的文本，然后只需点击一个按钮即可生成 PDF。类 "ChromePdfRenderer "提供了一种从不同来源生成 PDF 文件的最简单方法，包括 HTML 字符串, 网址，或者在另一个呈现器下的 doc 文件.

/**
PDF NET Generator
anchor-use-the-pdf-net-library
**/
using IronPdf;
using System.Windows.Forms;

namespace readpdf
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, System.EventArgs e)
        {
            //Used ChromePdfRenderer Convert Class
            var HtmlLine = new ChromePdfRenderer();

            //Getting Text from TextBox
            string text = textBox1.Text;

            //Here we are rendering or converting htmlaspdf.
            using var pdf = HtmlLine.RenderHtmlAsPdf("<h1>"+text+"</h1>");
      pdf.SaveAs("custom.pdf");

            //Confirmation
            MessageBox.Show("Done !");
        }
    }
}

/**
PDF NET Generator
anchor-use-the-pdf-net-library
**/
using IronPdf;
using System.Windows.Forms;

namespace readpdf
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, System.EventArgs e)
        {
            //Used ChromePdfRenderer Convert Class
            var HtmlLine = new ChromePdfRenderer();

            //Getting Text from TextBox
            string text = textBox1.Text;

            //Here we are rendering or converting htmlaspdf.
            using var pdf = HtmlLine.RenderHtmlAsPdf("<h1>"+text+"</h1>");
      pdf.SaveAs("custom.pdf");

            //Confirmation
            MessageBox.Show("Done !");
        }
    }
}

'''
'''PDF NET Generator
'''anchor-use-the-pdf-net-library
'''*
Imports IronPdf
Imports System.Windows.Forms

Namespace readpdf
	Partial Public Class Form1
		Inherits Form

		Public Sub New()
			InitializeComponent()
		End Sub

		Private Sub button1_Click(ByVal sender As Object, ByVal e As System.EventArgs)
			'Used ChromePdfRenderer Convert Class
			Dim HtmlLine = New ChromePdfRenderer()

			'Getting Text from TextBox
'INSTANT VB NOTE: The variable text was renamed since Visual Basic does not handle local variables named the same as class members well:
			Dim text_Conflict As String = textBox1.Text

			'Here we are rendering or converting htmlaspdf.
			Dim pdf = HtmlLine.RenderHtmlAsPdf("<h1>" & text_Conflict &"</h1>")
	  pdf.SaveAs("custom.pdf")

			'Confirmation
			MessageBox.Show("Done !")
		End Sub
	End Class
End Namespace

VB C#