UpdatePanel on masterpage does postback on first button click

Posted by gevjen on Stack Overflow See other posts from Stack Overflow or by gevjen
Published on 2010-05-11T20:20:42Z Indexed on 2010/05/11 20:24 UTC
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updatepanel

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asp.net-ajax

I have an update panel on a masterpage and for reasons unbeknown to me our content placeholder is within the updatepanel. But when I click on a button on one of our pages that uses the masterpage the page postsback. If I then click the button for a second time it does not postback and does an ajax call. Im wondering why it does a postback the first time when I dont want it to. Below is how I have the updatepanel set up

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