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Friday, 2 July 2010

Type Sys.UI._Timer has already been registered

Having a webpage with multiple update panels and multiple timers might be bit annoying when you the below error:-
Sys.InvalidOperationException: Type Sys.UI._Timer has already been registered

If scripts are loaded using an user control update attributes for asp:ScriptManager as follows

Hope this have helped someone like me hanging around.

"It’s hardware that makes a machine fast. It’s software that makes a fast machine slow."
- Craig Bruce


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