For some reason I didn't load the ScriptManager dynamically.
So, make sure you include a ScriptManager on the page before using the
usercontrol or you will come across this error message: "The control with
ID 'HoverMenuExtender1' requires a ScriptManager on the page. The ScriptManager
must appear before any controls that need it."
" Invalid postback or callback argument. Event
validation is enabled using…".
Initially, I was trying to modify the value of the
the submit button. The easiest solution was to set the EnableEventValidation =
false on the page directive, but instead, I found another work around by using
The tooltip (title) were displaying correctly on IE 7.0,
8.0, FireFox and Google Chrome but not in IE6.0. In order to remedy the
problem, I included a separate function to show and hide the tooltip.
I am using a checkboxlist controls and having difficulty to
research, I came across a class library by Trilochan Nayak. I have modified his
class so that I can retrieve the value and text of the selected checkbox