title: How to pass a string to AjaxToolkit:AsyncFileUpload OnClientUploadComplete or OnClientUploadError
body: <p>I am using the AjaxToolkit:AsyncFileUpload and wondering if there is a way to pass an status message back with the call back.</p>
  
  <p>OnClientUploadComplete</p>
  
  <p>OnClientUploadError</p>