AH ok, I kinda thought that WAS the case, but was a little unsure.
Thanks,
Jeremy Coulter
Application Developer
Application Development Centre
Compaq Computer New Zealand Ltd.
Phone: 64 3 371 5724 (DD)
Fax: 64 3 371 5744
Cell: 021 2150435
E-mail: [EMAIL PROTECTED]
Private E-Mail: [EMAIL PROTECTED]
<<Jeremy Coulter.vcf>>
> -----Original Message-----
> From: Myles Penlington [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, July 06, 1999 09:13
> To: Multiple recipients of list delphi
> Subject: RE: [DUG]: FieldByName
>
> The TDataset keeps an array of TFields. The fieldbyName does a linear
> search of this array for a field of the specified name.
>
> FieldByName returns a TField. If you look at TField - AsString etc is a
> property with read and write methods.
>
> To get the correct behaviour for each of the different field types, the
> getter and setter methods for each property is virtual, so that
> descendants of TField can implement the correct behaviour eg
> TNumericField, TStringField etc.
>
> Myles.
>
>
> -----Original Message-----
> From: Jeremy Coulter [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, July 06, 1999 8:28 AM
> To: Multiple recipients of list delphi
> Subject: [DUG]: FieldByName
>
> HI all.
>
> I was wondering if anyone could explain how FieldByName works.
>
> By that I mean HOW it works, i.e. how you can set data with it, i.e.
> fieldbyname('name').asstring:='joe'; AND you can get data from it, i.e.
> fieldbyname('Name').asstring.
> So how do you create a property with this type of functionality ?
>
> I would like to be able to include similar functionality into one of
> my components I am working on at the moment.
>
> I had a look in the DB.pas file, but was none the wiser.
>
> Can anyone explain ?
>
> Thanks, Jeremy Coulter
Jeremy Coulter.vcf
