Convert HTML string to PDF file in C# and .NET


Complete code

using System;
using System.IO;
using System.Collections;

namespace Sample
{
    class Test
    {

        static void Main(string[] args)
        {
            // Activate your license here
            // SautinSoft.PdfMetamorphosis.SetLicense("1234567890");

            SautinSoft.PdfMetamorphosis p = new SautinSoft.PdfMetamorphosis();

            // Specify some PDF options.
            p.PageSettings.Orientation = SautinSoft.PdfMetamorphosis.PageSetting.Orientations.Portrait;
            p.PageSettings.Size.Letter();

            // Specify header in HTML format.
            p.PageSettings.Header.FromString("<b>Sample header in HTML format</b>", SautinSoft.PdfMetamorphosis.HeadersFooters.InputFormat.Html);

            // Specify footer in RTF format.
            p.PageSettings.Footer.FromString(@"{\rtf1 \b Bold Footer}", SautinSoft.PdfMetamorphosis.HeadersFooters.InputFormat.Rtf);

            // Specify page numbers
            p.PageSettings.Numbering.Text = "Page {page} of {numpages}";
            p.PageSettings.Numbering.PosX.Mm = p.PageSettings.Size.Width.Mm / 2;
            p.PageSettings.Numbering.PosY.Mm = 10;

            if (p != null)
            {
                string inpFile = @"..\..\..\example.htm";
                string outFile = Path.ChangeExtension(inpFile, ".pdf");

                // The easiest way is using the method 'HtmlToPdfConvertFile':
                // int ret = p.HtmlToPdfConvertFile(htmlPath,pdfPath);
                // or :
                // 1. Get HTML content from file				
                string htmlString = File.ReadAllText(inpFile);

                // 2. Converting HTML to PDF
                // Specify BaseUrl to help converter find a full path to relative images and external CSS.
                p.HtmlSettings.BaseUrl = Path.GetDirectoryName(inpFile);

                if (p.HtmlToPdfConvertStringToFile(htmlString, outFile) == 0)
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
                else
                    System.Console.WriteLine("An error occurred during converting HTML to PDF!");
            }
        }
    }
}

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Imports Microsoft.VisualBasic
Imports System.IO

Namespace Sample
    Friend Class Test

        Shared Sub Main(ByVal args() As String)
            ' Activate your license here
            ' SautinSoft.PdfMetamorphosis.SetLicense("1234567890")

            Dim p As New SautinSoft.PdfMetamorphosis()

            ' Specify some PDF options.
            p.PageSettings.Orientation = SautinSoft.PdfMetamorphosis.PageSetting.Orientations.Portrait
            p.PageSettings.Size.Letter()

            ' Specify header in HTML format.
            p.PageSettings.Header.FromString("<b>Sample header in HTML format</b>", SautinSoft.PdfMetamorphosis.HeadersFooters.InputFormat.Html)

            ' Specify footer in RTF format.
            p.PageSettings.Footer.FromString("{\rtf1 \b Bold footer}", SautinSoft.PdfMetamorphosis.HeadersFooters.InputFormat.Rtf)

            ' Specify page numbers
            p.PageSettings.Numbering.Text = "Page {page} of {numpages}"
            p.PageSettings.Numbering.PosX.Mm = p.PageSettings.Size.Width.Mm / 2
            p.PageSettings.Numbering.PosY.Mm = 10

            If p IsNot Nothing Then
                Dim inpFile As String = "..\..\..\example.htm"
                Dim outFile As String = Path.ChangeExtension(inpFile, ".pdf")

                ' The easiest way is using the method 'HtmlToPdfConvertFile':
                ' int ret = p.HtmlToPdfConvertFile(htmlPath,pdfPath)
                ' or :
                ' 1. Get HTML content from file				
                Dim htmlString As String = File.ReadAllText(inpFile)

                ' 2. Converting HTML to PDF
                ' Specify BaseUrl to help converter find a full path to relative images and external CSS.
                p.HtmlSettings.BaseUrl = Path.GetDirectoryName(inpFile)

                If p.HtmlToPdfConvertStringToFile(htmlString, outFile) = 0 Then
                    System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outFile) With {.UseShellExecute = True})
                Else
                    System.Console.WriteLine("An error occurred during converting HTML to PDF!")
                End If
            End If
        End Sub
    End Class
End Namespace

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We are developing .Net components since 2002. We know PDF, DOCX, RTF, HTML, XLSX and Images formats. If you need any assistance with creating, modifying or converting documents in various formats, we can help you. We will write any code example for you absolutely free.