Jason,

Thanks.
>Did you check v_teiausbaubybeweg after the requery to be sure that you picked up the latest data from the save in the other datasession? I'm suspecting that may be causing your problem.
>
I have gone through that a bunch of times now because that was also my feeling. It seems more and more that we have a VFP Problem here.
Actually when I would have worked with not actual data, the code below should come up with the Messagebox or do I oversee anything ?
BTW: I changed the FOR statement.

Marcus

>>>>

>>>>ACTIVATE SCREEN
>>>>SELECT "v_teiausbaubybeweg"
>>>>IF TABLEUPDATE(.T.) = .F.
>>>>   AFIELDS(laField)
>>>>   FOR lnLv = 1 TO ALEN(laField,1)
>>>>         ? OLDVAL(laField[lnLv,1])
>>>>         ? curVAL(laField[lnLv,1])
>>>>         ? EVALUATE(laField[lnLv,1])
>>>>         IF NOT (OLDVAL(laField[lnLv,1]) == curVAL(laField[lnLv,1]))
>>>>          MESSAGEBOX("Got the Error"+laField[lnLv,1])
>>>>         ENDIF
>>>>   ENDFOR
>>>>ENDIF
>>>>