Hi
What is the maine use of trigger in updatepanel control?
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Dhaval PatelPosted Oct 17, 2011, 8:44 AM
Main use of update panel is you can refresh selected parts of the page instead of refreshing the whole page with a postback
and also trigger is a binding that specifies which postback control and event cause a panel to update.
asp:AsyncPostBackTrigger element and asp:PostBackTrigger ,