I set e.IsValid = false; in ValidatingFile server-site event handler.
Now after execution of the FileUploaded server-side event handler the uploaded file is automatically discarded.
answered on 22 Sep 2010, 04:05 PM
Hello Ivan Petrov,
Thank you for pointing the issue to us. This is clearly a bug in RadAsyncUpload. We will do a major revision of the validation functionality for the upcoming Q3 release and issues like this are going to be resolved. Actually, the fix is going to be available forth from service pack 2 which is scheduler for the end of the month. I've also added added 700 telerik points to your account for reporting the problem.
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