Thank you for contacting us.
Unfortunately, this is not supported with the current implementation of the control. Sorry for the caused inconvenience.
If you have any other questions regarding our controls please feel free to contact us again.
the Telerik team
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? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items