>>
>>Did you include this table in 'child' DE? You shouldn't do it, because when you close 'child' form, you close all tables from its DE (by default only).
>
>I just checked and there is one table that is common to both forms so I think you have probably cracked it. Many thanks.
>Mike

if you keep this table in both, change the autoclosetables property in the child de to false.