1. SCATTER NAME THISFORM.oTable
   All control sources should use this format: THISFORM.oTable.xDesiredField

2. If you can't scatter to THISFORM.oTable (haven't tested):
   After SCATTER NAME oTable
   THISFORM.oTable = oTable
   Use the same method to address control source.

Then, in the destroy method of the form, 
   THISFORM.oTable = .NULL>