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PdfMetamorphosisHtmlToPdfConvertStringToByte Method

Converts HTML string into array of PDF bytes. Don't forget to set the property BaseUrl to see images in output PDF file.

Namespace: SautinSoft
Assembly: PdfMetamorphosis (in PdfMetamorphosis.dll) Version: 2024.5.27
Syntax
public byte[] HtmlToPdfConvertStringToByte(
	string inputString
)

Parameters

inputString  String
Any string in HTML format, even a piece of HTML code

Return Value

Byte
PDF document as byte array, or null in case of converting failed
Example
How to convert HTML string to PDF bytes using C# in memory
using System;
using System.IO;
using System.Collections;
using System.Net;

namespace Sample
{
    class Test
    {

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

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

            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.
                string htmlString = File.ReadAllText(inpFile);

                // 2. Converting HTML to PDF
                // Specify BaseUrl to help converter find a full path for relative images, CSS.
                p.HtmlSettings.BaseUrl = Path.GetDirectoryName(Path.GetFullPath(inpFile));
                byte[] pdfBytes = p.HtmlToPdfConvertStringToByte(htmlString);

                if (pdfBytes != null)
                {
                    // 3. Save the PDF document to a file for a viewing purpose.
                    File.WriteAllBytes(outFile, pdfBytes);
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
                }
                else
                {               
                    System.Console.WriteLine("An error occurred during converting HTML to PDF!");
                }
            }
        }        
    }
}
How to convert HTML string PDF bytes using VB.Net in memory
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()

            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.
                Dim htmlString As String = File.ReadAllText(inpFile)

                ' 2. Converting HTML to PDF
                ' Specify BaseUrl to help converter find a full path for relative images, CSS.
                p.HtmlSettings.BaseUrl = Path.GetDirectoryName(Path.GetFullPath(inpFile))
                Dim pdfBytes() As Byte = p.HtmlToPdfConvertStringToByte(htmlString)

                If pdfBytes IsNot Nothing Then

                    ' 3. Save the PDF document to a file for a viewing purpose.
                    File.WriteAllBytes(outFile, pdfBytes)
                    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
See Also