I have a linkbutton that causes a postback for a lengthy process on the server - then the page redirects to a different page for fianl processing - when the linkbutton is pressed I would like a modal popup to appear showing that something is happening and just have a spinnier or something on it - nothing fancy.
However if I wire the modal popup extender to the linkbutton it disrupts the postback - of course if I have the server post code to show the popup by the time it gets to the client the process is done and that is useless - is there a way to show the modal popup and have the postback occur leaving the modla popup visible untill the page redirects or the page finishes its postback
You could use the Dynamic* properties of the modalpopup to use a web service method to do the server side processing. You can then hookup to the populated event so that after the processing has completed, you can redirect to another page.
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