i want to use a ComponentArt:ToolBarItem ID as TargetControlID in AjaxControlToolkit ModalPopupExtender.
my ComponentArt:ToolBarItem ID is "save" but when i write this (TargetControlID="save") this error apears:
The TargetControlID of 'AjaxControlToolkit:ModalPopupExtender' is not valid. A control with ID 'save' could not be found.
what can i do?

anyone can help me? :((

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