If you want to invoke download for a file from ajaxified control (either placed in RadAjaxPanel or ajaxified by RadAjaxManager), you cannot use the normal
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Response.WriteFile("~/Your_File"); |
because the xmlhttp request cannot handle this.
Instead you can use the ResponseScripts collection of the ajax control to change the location header and download the file:
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RadAjaxPanel1.ResponseScripts.Add(String.Format(@"window.location.href = ""{0}"";", http://yoursite.com/Your_File)); |
The ResponseScripts collection will be executed after ajax request completes.