Please take a look at the provided project how you can achieve this in our DataGrid control and note that it is just an example you could use as a base and improve it according to the concrete requirements.
I hope I could be of help.
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Feedback Portal
and vote to affect the priority of the items