> From: "Alan McDonald" <alan@...>
> >> At 03:26 PM 16/08/2007, Alan McDonald wrote:
> >> >And you have created the field as a persistant field? it won't
> >> work with IBO
> >> >components if it's not made persistent.
> >>
> >> Not true, Alan. As with the VCL, creating persistent field objects
> >> with TIBO* is optional. It is the case that the TDataset will create
> >> its own persistent field objects at runtime if it needs them, but it
> >> has never been the case that PFOs were required.
> >>
> >> Helen
> >
> > I know they're not required, but in all my reports which use IBO
> > (TDataset)
> > components, unless I persist a field which another datasource expects to
> > source FROM, then the sourcing fails. The query itself is fine, but the
> > sourcing fails.
>
>
> Sounds more like a bug in the reporting software. I have never,
> nor will I
> ever, use persistent fields. They are a PITA and cause more problems than
> they solve, IMHO.

fascinating - why? what problems?
Alan

>
> Woody (TMW)