I have a update panel, in the update panel I have fileupload control and button control, On button click, I need the file that I have upload in the fileupload control in upd
The problem is with the way the HTML file upload control works, has nothing to do with ASP.net, for the file upload control to work you need a full post of the form data. You can only simulate that your are not doing a full postback, by doing all the operation in a hidden iframe that does the actual uploading