Convert Text string to HTML file
in C# and VB.Net.


Complete code 

using System;
using System.IO;
using System.Text;

namespace Sample
{
    class sample
    {
        static void Main(string[] args)
        {
            // Read our RTF document as string.
            string inpFile = @"..\..\example.txt";
            string textString = File.ReadAllText(inpFile);

            string outFile = @"Result.html";

            SautinSoft.RtfToHtml r = new SautinSoft.RtfToHtml();

            // Specify some properties for output HTML document.
            r.OutputFormat = SautinSoft.RtfToHtml.eOutputFormat.HTML_5;
            r.Encoding = SautinSoft.RtfToHtml.eEncoding.UTF_8;
            r.TextStyle.Title = "Textual document.";

            try
            {
                r.OpenTextFromString(textString);
                r.ToHtml(outFile);

                // Open the result for demonstration purposes.
                System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile)
                { UseShellExecute = true });
            }
            catch (Exception e)
            {
                Console.WriteLine($"Error: {e.Message}");
                Console.WriteLine("Press any key ...");
                Console.ReadKey();
            }
        }
    }
}

Download.

        
            Imports System
Imports System.IO
Imports System.Text

Namespace Sample
    Friend Class sample
        Shared Sub Main(ByVal args() As String)
            ' Read our RTF document as string.
            Dim inpFile As String = "..\..\example.txt"
            Dim textString As String = File.ReadAllText(inpFile)

            Dim outFile As String = "Result.html"

            Dim r As New SautinSoft.RtfToHtml()

            ' Specify some properties for output HTML document.
            r.OutputFormat = SautinSoft.RtfToHtml.eOutputFormat.HTML_5
            r.Encoding = SautinSoft.RtfToHtml.eEncoding.UTF_8
            r.TextStyle.Title = "Textual document."

            Try
                r.OpenTextFromString(textString)
                r.ToHtml(outFile)

                ' Open the result for demonstration purposes.
                System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outFile) With {.UseShellExecute = True})
            Catch e As Exception
                Console.WriteLine($"Error: {e.Message}")
                Console.WriteLine("Press any key ...")
                Console.ReadKey()
            End Try
        End Sub
    End Class
End Namespace

Download.

If you are looking also for a .Net solution to Create or Modify HTML documents, see our Document .Net.

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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.