how can I add a progress bar with showing percentage level while uploading file in asp.net
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/11714858/create-file-upload-progress-bar-asp-net-and-javascript">Create File Upload Progress Bar ASP.NET and JavaScript</a>  </p>
</blockquote>



<p>I have to create an web application in asp.net with C#.net in that i have to display progress bar to show uploading status of file how should i can do this?</p>
