depend on as little as you can.... (dont tell everyone!)
kevin wrote:
> ----- Original Message -----
> From: "Glenn Lawler" <[EMAIL PROTECTED]>
> To: <[email protected]>
> Sent: Thursday, April 27, 2006 3:36 PM
> Subject: [delphi-en] Re: Why not use use db-aware controls.
>
>
>>> What are compelling reasons not to use db-aware controls?
>> When you are writing Client-Server systems, using standard controls
>> instead of db-aware controls gives you a great deal of flexibility.
>> For example, all the db-aware controls I have used will lose their
>> data
>> as soon as you disconnect from the database. When using standard
>> controls. You can connect to the database, run a query to return data,
>> populate your controls, and disconnect. This frees up a database
>> connection. Most commercial Client-Server databases have a non-trivial
>> cost for each simultaneous database connection.
>>
>> There are many other reasons, this is just one. If you want your
>> applications to work exactly the way you want, using someone
>> else's component could cause you as much work as writing you own
>> code when trying to get around undesired component behavior.
>>
>> Glenn Lawler
>
> I would heartily agree with all these arguments, especially the last one;
>
> Ever been given a Delphi 3 project to update or modify, which has heavy use
> of visual components (data-aware), the components naturally not being
> included with the original code, the project being uncompilable without
> them, having first to identify where they came from, or to find that they
> are not available for D2005, having to substitute them with other
> components, find solutions for their altered functionality, rewrite chunks
> of code, recheck everything;
> All that when the client only wanted a few modifications or a cloned form:
> I would hate to imply that my fondness for data-aware components is not of
> unmeasurable dimension;
>
>
>
>
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