All updates perform full postback

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Hi guys,

 

I just cannot get AJAX Update panel to perform as I expect.

 

I am in VS2008, a new ASP.NET website,

 

add a ScriptManager

add an UpdatePanel

Inside Update Panel, add a button

 

In the buttons OnClick() event, add the following

 

Button1.Text = DateTime.Now.ToString();

 

Problem:

 

Every time I press the button, I get a full postback!!!

I have tried lots of examples from the web and get full postbacks on all of them.* I am using the built in webserver with VS2008

 

Update:* Just noticed also, that for a micro second I get the "Done but with Errors on Page" flash in the status bar.* I can also run demo AJAX pages from websites without fault.

 

Can anyone point me in a direction to investigate ?* Full code to webform below.

 

 

 

DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 

 

Untitled Page

 

 

 

 

 

Thanks

 

Mike

 

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