>if m_buffer_mode = .t.
> =tableupdate(1,.t.,'mytable')
>endif
>
>cur_rec = recno()
>thisform.mycombo.requery()
>goto cur_rec
>
>m_buffer_mode = .f.
>m_add_mode = .f.
>
>thisform.refresh

The first parameter in the tableupdate command should be a logical flag to indicate if all records or just the current record should be updated. I'm not sure what will happen when you pass it 1.

Hope this helps,
Shane