How to read .doc document in ASP.NET?

protected void Button1_Click(object sender, EventArgs e)

{

string path="C:\\Documents and Settings\\Administrator\\My Documents\\abcd.txt";

using (StreamReader reader = new StreamReader(path))

{

string line;

while ((line = reader.ReadLine()) != null)

{

TextBox1.Text += "
" + line;

}

}

}