>>I hav
>
>Olav, are you using the form datasession in your Report Preview? If so, you are probably at eof() for your parent and child tables. Open up debug and check to see if the record pointers have changed for both tables after the preview.
>
>HTH
>Barbara

The problem is found (after 20+ hours).
The HP Laserjet 4 Plus printer driver is the problem. (This is a HP original driver).
The driver suppiled with Win95 for HP4 has some bugs (in other programs), so I updated from HP.
Thanks for help.
Olav.