In this case if you want to embed different controls in a particular GridViewColumn you should create a CellTemplate for that column,with its associated logic.
You can find additional information about the column types and templates supported by RadGridView here
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