// file IO using class StreamWriter
//
// SnippetCompiler.exe was used to write, compile (uses .NET V2 csc.exe)
// and test the code, this handy little utility is free from: 
// http://www.sliver.com/dotnet/SnippetCompiler/

using System;
using System.IO;  // TextWriter, StreamWriter

public class MyClass
{
  public static void Main()
  {
    string text;
    
    text = "Why Did the Chicken Cross the Road?\n";
    text += "ARISTOTLE: It is the nature of chickens to cross roads.\n";
    text += "RONALD REAGAN: I forget.\n";
    text += "CAPTAIN JAMES T. KIRK: To boldly go where no chicken has gone before.\n";
    text += "ERNEST HEMINGWAY: To die. In the rain.\n";
    text += "COLONEL SANDERS: I missed one?";
    
    // create a writer and open the file
    TextWriter tw = new StreamWriter("date.txt");
    
    // write a line of text (present date/time) to the file
    tw.WriteLine(DateTime.Now);
    
    // write the rest of the text lines
    tw.Write(text);
    
    // close the stream
    tw.Close();

    // read the text file back ...
    // create reader & open file
    TextReader tr = new StreamReader("date.txt");
    
    // read first line of text (here date/time)
    Console.WriteLine(tr.ReadLine());
    
    // read the text, next 2 lines
    Console.WriteLine(tr.ReadLine());
    Console.WriteLine(tr.ReadLine());
    
    // read the rest of the text lines
    Console.WriteLine(tr.ReadToEnd());
    
    // close the stream
    tr.Close();

    // wait to look at console display
    Console.Write("\nPress Enter to exit ...");
    Console.Read();

  }
}
#
// create a writer and open the file
#
TextWriter tw = new StreamWriter("date.txt");

How do you want to convert a textwriter to a streamwriter like this ??

Maybe thats your problem dude