Good idea, Hugo. Unfortunately I've already checked the EXACT setting. The ID fields are both 10 character, and the data is an exact match - I even copied from rv1 to rv2 just to make sure.

Barbara

>Hi Barbara,
>
>If IDField are Character Fields and the form has a private datasession, the form can have a different setting of the exact property, thus you can get different results.
>
>Hugo