>Thanks for the reply.
>
>My rowsourcetype was 2. I changed it to 6 and the expression no longer causes an error.
>
>One thing I noticed just noticed today, that I would appreciate feedback on (this applies to your example too):
>VFP allows you to specify ColumnCount = 2, and BoundColumn = 3. This allows you to not have to specify column widths, but have your PK bind to the controlsource as needed.

Neat trick, never tried that.
ColumnCount seems to decide the number of visible columns, while internally you can have more.