Well, I like having them available at design-time
so I can use code completion. Plus, I don't understand
why a db component would be "behind the scenes" since
I usually display the data to the user in some way.
DJS
--- David Bolton <[EMAIL PROTECTED]> wrote:
> Reliability and robustness. Its all OO either way
> but if you write a lot of
> code at the form level its more of a hack than if
> you write bespoke classes.
> Its less important if you have one query, but if
> you're working with
> multiple tables, are you going to reuse the same
> query component (ie making
> if 'global') or have a load of form query
> components, or as I prefer, have
> the query component created dynamically at runtime
> and used 'behind' the
> scenes? I prefer the query to be part of the class.
>
> David Bolton
>
>
> ----- Original Message -----
> From: "David Smith" <[EMAIL PROTECTED]>
> > What's the big advantage to working with TQueries
> > non-visually?
> >
> > DJS
> >
> > --- David Bolton <[EMAIL PROTECTED]> wrote:
> >
> >> I don't use components that let a user work
> >> directly on the database. Oh
> >> sure they are ok for a quick and dirty hack, but
> a
> >> well structured
> >> application is done best by splitting into three
> >> tiers. Presentation Layer
> >> (the GII- front end), business logic (middle
> tier)
> >> and backend (database
> >> tier). For smaller apps this can be reduced to
> two
> >> tiers. Front End and
> >> database but again there is no direct ability for
> a
> >> user to amend values. I
> >> don't use ttable (or whatever the ado/mysql
> >> equivalent) is but mainly
> >> queries. And they are created dynamically as
> members
> >> of a class and do not
> >> exist as components on a form.
> >>
> >> David Bolton
> >>
> >>
> >> ----- Original Message -----
> >>
> >> > No, DBAdvStringGrd. It was slow in reading
> and
> >> > displaying table data.. sorting too. It was the
> >> most
> >> > common complaint on their user forum and I saw
> >> that
> >> > many a programmer rejected it for that reason.
> >> Maybe
> >> > doing it yourself in AdvStsringGrid is faster.
> >> >
> >> > DJS
> >> >
> >> >
> >> > --- David Bolton <[EMAIL PROTECTED]> wrote:
> >> >
> >> >> The advstringgrid? Slow? No- I find it very
> fast,
> >> >> especially with sorting.
> >> >> Slow for doing what? Do you use BeginUpdate
> and
> >> >> EndUpdate when adding or
> >> >> removing rows? (same with Borland's string
> grid).
> >> >>
> >> >> David Bolton
> >>
> >
>
__________________________________
Yahoo! Mail - PC Magazine Editors' Choice 2005
http://mail.yahoo.com
------------------------ Yahoo! Groups Sponsor --------------------~-->
Get fast access to your favorite Yahoo! Groups. Make Yahoo! your home page
http://us.click.yahoo.com/dpRU5A/wUILAA/yQLSAA/i7folB/TM
--------------------------------------------------------------------~->
-----------------------------------------------------
Home page: http://groups.yahoo.com/group/delphi-en/
To unsubscribe: [EMAIL PROTECTED]
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/delphi-en/
<*> To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
