Charles, relax , please, this is regular programmer life, that something does not work correct. ( we have salary for this, just imagine, that all is ok, how we shal show our importance for chiefs)
Send me you tables and forms and I shall fix it, if possible.
I woul offer to set sparce=.t.
got focus of the combo
this.displayvalue=table.filedname
Don' t use controlsource for combo
Best wishes, Vladimir