AJAX :: Gridview Inside Update Panel

Apr 10, 2010

i've a gridview, a dropdownlist and an updatepanel

without UpdatePanel : when i select values from dropdownlist it updates the gridview, working fine

with UpdatePanel : it showing an javascript error

"Line: 4044
Error: Sys.InvalidOperationException: Two components with the same id 'ctl"

and when i close the window (ie8) the error is coming

"Line: 2989
Error: Sys.ArgumentNullException: Value cannot be null.
Parameter name: element"

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