Can I Populate a Databound DataGrid with bogus empty rows in a WPF Application?

I was wondering if there is a cohesive trick to populate a DataGrid in a WPF Application with some empty rows so the user can leave some rows empty and fill some others following to them?? my DataGrid is开发者_运维百科 Databound to a CollectionViewSource

Create some dummy rows in the Source collection referenced by the CollectionViewSource.