Thank you for contacting us.
Unfortunately we are not able to understand the exact problem you experience from the provided description. The only thing we could recommend you having only this information is to test your scenario with RadGrid for ASP.NET AJAX if you are using RadGrid for ASP.NET.
In order to provide you adequate assistance and to quicken the resolution of the issue I would like to ask you open a support ticket so that you have the right to attach files and send us a simple running project which demonstrates your scenario and reproduces the problem. Once, we can take a closer look at your setup and reproduce the problem on our side we will do our best to help you. For your convenience I have attached a screenshot with instructions how to open a support ticket.
the Telerik team
Check out Telerik Trainer
, the state of the art learning tool for Telerik products.