Could not find UpdatePanel with ID 'xxx'. If it is being updated dynamically then it must be inside another UpdatePanel

Question

I have a page with Ajax Tab controls, within one of the tabs is a webcontrol that as a Telerik RadGrid, with Edit forms pointing to another web control. That edit form also cont

Answer 1

In my case I had 2 update panels on the page, but only 1 of them had an ID. Setting an ID for the other one resolved the error.