Great

This is exactly what I needed.

Thanks Jason!

Just out of interest, was I correct in my understanding of why there
is a PostRetaining after the first Detail record is posted?
That the Master needs to confirm that it itself can be posted first?

Rgds,
-Ryan

--- In IBObjects@yahoogroups.com, jwharton@i... wrote:
> There is a way to differentiate between an explicit post and the
postretaining.
> There is a property called IsRetaining at the dataset level.
> That ought to do it for you.
>
> Let me know if there is any more problems on this. Be sure to make
your triggers on the master aware of the initial insert
> and then the subsequent update.
>
> Jason Wharton
> www.ibobjects.com
>
>