not reading the TAGS <>

Hello Friends,
   I am doing this, this loop reading each line nicely..but when any line is coming like this format
  <script language = js> here problem is coming, it is being read fine but when I am displaying it the text which encloed with <> TAGS are not being displayed in Label...

            lblTxtFiles.Text = "";

            while ((line = SR.ReadLine()) != null)
            {
                lblTxtFiles.Text += line + "<br>";
            }

            SR.Close();
...