Hi,

Is it possible to use a ib_query component (in an intraweb6-application) to
perform a query on an xml-file? Now, I load the xml-data in a clientdataset,
but I want to select some data from the clientdataset. I don't like using
filters because of the slow performance.

Thanks,

mieke janson

----- Original Message -----
From: "Paul Vinkenoog" <paul@...>
To: <IBObjects@yahoogroups.com>
Sent: Tuesday, September 09, 2003 12:15 PM
Subject: Re: [IBO] EOF BOF craziness


> Hi Paul,
>
> > I'm simply saying that Next and Prior should not go beyond the ends
> > of the data.
>
> I don't know - I'm used to this behaviour and it suits me fine. Maybe
> because it's analogous to how iterators behave in C++. It just feels
> natural to me that if you're stepping through <something> in your
> code, your last step takes you beyond the last element. I also have
> lots of loops set up like this:
>
> for ( MyDataset->First(); ! MyDataset->Eof; MyDataset->Next() )
>
> The day Jason decides to change First and Next like you propose, these
> loops will still compile fine but they will become black holes: what
> goes in there never comes out again! :-)
>
> Now, if you say there should be two functions - say "NextRec" and
> "PriorRec" - that go to the next or prior record _if_ such a record
> exists, yes, those might come in handy, especially for code you write
> in response to user button clicks etc. In general, you don't want to
> bother the user with concepts like EOF, "beyond the end of data", and
> stuff like that.
>
>
> Greetings,
> Paul Vinkenoog, beyond your wildest EOF
>
>
>
>
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