> > If BLANKISNULL doesn't work with TIBO, use a BeforePost
> > handler to clear it, viz.
>
> Any idea why not? AFAICT the TIBODataset has ColumnAttributes
> published, BLANKISNULL is implemented in TIB_Column which exists in
> the underlying TIB_ dataset, so I figured it should work.
>
> Of course I don't use TIBO, so it does not matter to me, but I am
> curious. Does this restriction apply to any other ColumnAttributes?

This is because the code to populate the buffers is different for the
TDataset stuff than it is for native IBO. There are some ColumnAttributes
that won't be effective with TDataset things. It does beg a little more
explanation.

Thanks,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com