Trigger in ajax control

Question

Hi What is the maine use of trigger in updatepanel control?

Dhaval Patel · Answer

Dear Rajesh 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