title: Rad Upload modification
body: <p>i have a Rad Upload control to upload more than one image ,,the problem is </p>
  
  <p>::</p>
  
  <p>i want each image to have a caption (inserted by the user as a text)during the uploading operation,,
  so what i wanna to do is modifying the  Rad Upload control and adding a text box in it and access the data in this text box .. how to do this????</p>