> THIS IS INCORRECT.
> qryClients.InvalidateRow(qryClients.RowNum);

I must be using the wrong version of IBO. (tried both 4.6 & 4.7). I
get compile time errors with qryClients.InvalidateRow and
qryClients.RowNum (qryClients is a TIBOQuery).

I did a search on the source and the only method I could find with
.InvalideRow was on a TIB_CustomGrid.