>Ok, that makes sense.
>
>Under the following scenario:
>
>User 1 adds 4 detail lines
>User 2 adds 3 detail lines
>User 2 saves changes.
>User 1 attempts to save but is not able to because header record has
>been changed by user2 save.
>
>Since everything for user1 would rollback, they would have to reenter all detail lines
>again. Is that correct?
>
>Thanks again.

The detail lines would still be in the cursors/buffers. They could edit things and hit save button again.