Got javascript error while trying select rows or collapse group in RadGrid

[Jogn]

Hello, I have a nested masterpage with RadTab control, depending of what tab is selected im dynamicly loading control into a panel. One of that control have a RadGrid inside. When im trying to select something i gor javascript error - Null is Null not an object, the same i got when i click collapse group. Is is b/s im doing all dynamicly ? Please help.

[Jogn]

can somebody help me please i need immidiate help !

[Vlad]

Hi Jogn,

You most probably need to reload this dynamically added control in order to keep the control state. Please check this example which demonstrates how to load UserControls dynamically and reload them when needed:
http://demos.telerik.com/aspnet/Prometheus/Ajax/Examples/Common/LoadingUserControls/DefaultCS.aspx

All the best,
Vlad
the Telerik team

Check out Telerik Trainer, the state of the art learning tool for Telerik products.

[Jogn]

Thank u so much man !