Refresh an updatepanel on buttonclick from code-behind

Question

I\'m using a Gridview that is using datasource & databinding. When i reload the page the gridview is updated but I want it to be on the buttonclick, but it\'s not working fo

Answer 1

Since i don't see the button btnWall, i assume that it's outside of the UpdatePanel. But you need to define an explicit trigger if you want to allow a control outside of an UpdatePanel to trigger a postback.

Therefore you can use an AsyncPostBackTrigger:

     
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