unabler to read te dta of the text file

int i = 1;
StringReader strr = new StringReader(MapPath("Tfile.txt"));
//
while (strr.ReadLine() != null)
{
txtname.Text = strr.ReadLine(); //Response.Write(i);

}

Read data from Text file

//Use this code and enjoy

FileStream fs = new FileStream(@"c:\datatextfilename.txt", FileMode.Open, FileAccess.ReadWrite);
StreamReader sr = new StreamReader(fs);

string sTempString = "";

sTempString =sr.ReadToEnd();


textBox1.Text = sTempString;