popup control extender

Sep 2 2009 9:23 AM

hi,
I've used popup control extender for showing data on mouseover of gridview cell but when gridview bind it shows following error

Microsoft JScript runtime error: Sys.ArgumentException: Value must not be null for Controls and Behaviors.
Parameter name: element

any help!

Answers (3)

when i selected an item in combobox then relatd GUID is saved in table?i want code plz

Cannot load Assembly