Convert Text string to HTML string
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 Text file as string.
            string inpFile = @"..\..\example.txt";
            string textString = File.ReadAllText(inpFile);

            // We'll use the file only for the demonstration.
            string outFile = @"Result.html";
            string htmlString = String.Empty;

            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);

                // Here we've got the HTML document as string.
                r.ToHtml(out htmlString);

                // Save our HTML into file and open it for the demonstration purposes.
                File.WriteAllText(outFile, htmlString);
                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 Text file as string.
            Dim inpFile As String = "..\..\example.txt"
            Dim textString As String = File.ReadAllText(inpFile)

            ' We'll use the file only for the demonstration.
            Dim outFile As String = "Result.html"
            Dim htmlString As String = String.Empty

            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)

                ' Here we've got the HTML document as string.
                r.ToHtml(htmlString, Nothing)

                ' Save our HTML into file and open it for the demonstration purposes.
                File.WriteAllText(outFile, htmlString)
                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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