Can you please provide more details on which is the control you use and what is the functionality you would like to achieve.
If you are using the Telerik's RadGrid control you can refer to the following article
for more details on its functionality. You may also take a look at the documentation articles
for the Telerik Kendo UI Grid.
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Sitefinity CMS Ideas&Feedback Portal
and vote to affect the priority of the items