Hi

I am tried to raise a callback event for updatepanel control in ajax. but there is an error occure like

Cannot unregister UpdatePanel with ID 'CollapseUp' since it was not registered with the ScriptManager. This might occur if the UpdatePanel was removed from the control tree and later added again, which is not supported.
Parameter name: updatePanel


Please give any suggesion if any

Hi all

I didn't Get Any reply so far

Hello,
I have the same issue. Does anyone have a solution to this?

Thanks in advance!
Jim

Hello,

 

The functionality which you are requiring is not possible. You can either use Callback control or Updatepanel control to make for ansynchronus postback.

 

Thank you for your understanding.

 

Ajay Mishra