Can I use the TIWCGJQNavigator with DBTREEGRID

I have a TIWCGJQNavigator, TIWCGJQGrid in JQGridOptions.TreeGrid mode.
I want to be able to add, delete lines and edit.
I tried. But it does not work.
This is possible?
I want to be able to add, delete lines and edit.
I tried. But it does not work.
This is possible?