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ModalPopupExtender  with Async callback

Last Modified: 2013-11-25
I am trying to use ModalPopupExtender as way to disallow the user from interacting with the site while a DB activity is completed.

I have a different requirement from what is specified in the ASP.NET sample for the AJAX Toolkit control..

This is what i want to do..

Show() the modalpopup
do the DB stuff asynchronously with BeginInvoke by pass the a method that hides modalpopup

I cant get this to work even after 4/5 hours of effort..

Logically i dont see why this shouldnt work...

Can someone give me some advice and provide some code samples

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