You can hide fields (or change their label and add a description) by decorating them with the Display attribute
As for your other question, unfortunately we don't support this feature. I have created a PITS item for your feature request (you can find it here
), whose progress you can follow. Remember to vote for it so it receives a higher priority in our product backlog.
I am also awarding you telerik points for your suggestion. Thank you for your feedback!
the Telerik team
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Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Public Issue Tracking
system and vote to affect the priority of the items