UpdatePanel won’t AsycPostback for anything.

I spent a lot of time today and Friday trying to get my UpdatePanel to be handled properly. No matter what I did, my asynchronous triggers were only posting back. I searched and searched, and couldn’t find anything. Then, I ran across a post on asp.net’s forum which had the answer.

:

Change Legacy to Strict or Transitional

Don’t you love Microsoft?
Other things I searched for in order to find this answer:
“IsInAsyncPostBack false masterpage”, “UpdatePanel only postback”, “asp:AsyncPostBackTrigger won’t work”

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