If you use this approach from Helen, your grid will not be 'advised' from the changes, so as all others TDataSet components. I spend hours looking why one day...

Artur

----- Original Message -----
From: Helen Borrie
To: IBObjects@yahoogroups.com
Sent: Wednesday, September 05, 2001 4:38 PM
Subject: RE: [IBO] Simple Question about delete clause


At 05:05 PM 05-09-01 +0200, you wrote:
>Hi again
>SIGH

MyIBOQuery.InternalDataset.InvalidateBookmark:

H.

>Its not my day to day unfortunately I am not using ib_dataset but ibodataset
>because I am tied to a specific grid(devexpress) so all of these nice
>properties
>and stuph is not available to me. I looked or tried at the tdatasets refresh
>procedure and it does not look like it has something similar to
>raInvalidateCursor I also tried the InvalidateBookMark but to no avail it
>gives me the same error.
>Any other ideas.
>
>Thanks for the help so far.
>
>Groete
>Gerhardus
> >
> > Uh-huh, OK. :-) Call InvalidateBookMark on the dataset when you
> > call the delete procedure; or change the dataset's RefreshAction
> > to raInvalidateCursor . This tells IBO that it will have to
> > check for that row's existence if it gets referred to again.
> > Closing and opening the dataset is an EXTREEEEEEEME way to kill a
> > cat. You are possibly getting this particular reaction from
> > having something like CommitAction as caRefresh and RefreshAction
> > as caKeepDataPos (can't say exactly except "I have been there". :-))
> >
> > hth
> > Helen
> >
>
>
>
>
>
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