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Re: Dynamic form generation [message #177696 is a reply to message #177695] Sun, 15 April 2012 07:33 Go to previous messageGo to previous message
Tony Marston is currently offline  Tony Marston
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Registered: November 2010
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"Peter H. Coffin" <hellsop(at)ninehells(dot)com> wrote in message
news:slrnjoj0b7(dot)4ci(dot)hellsop(at)nibelheim(dot)ninehells(dot)com...
> On Fri, 13 Apr 2012 09:59:52 +0100, Tony Marston wrote:
>>
>> "Charles" <cchamb2(at)gmail(dot)com> wrote in message
>> news:6651622.883.1334288601914.JavaMail.geo-discussion-forums@vbbfj25...
>>> Absolutely correct. The database has 34 active and 34 historical tables
>>> so far, and my guess is that about another dozen or so of each to
>>> create.
>>> I can visualize the relationships between the tables, and I'm
>>> normalizing
>>> as
>>> I go on table structure, but having to write and maintain somewhere
>>> around
>>> 150 scripts each and every time I so much as sneeze (add/remove a field
>>> or
>>> change a field type in any of the 100 tables) is daunting.
>>
>>> I'm just as comfortable with calling a script to do crate each form as I
>>> need it.
>>
>>> Any suggestions?
>>
>> If you used a proper framework then you wouldn't have to do so much work
>> for
>> a minor database change. If you used radicore all you would have to do is
>> re-import the table's structure into the data dictionary and then export
>> the
>> updated structure to replace the table's structure file. The only time
>> you
>> would need to modify another script would be if you needed to change the
>> screen structure (by modifying a small screen structure file) or a
>> business
>> rule (by modifying that table's class file).
>
> Wow.... All that. All Charles *really* needed to do was actually specify
> what column names he was fetching and 90% of the work he wants to
> eliminate GOES AWAY AUTOMATICALLY.

Bt what if he has already built built a script (which should be several
scripts by the way, one each for LIST, ADD, ENQUIRE, UPDATE, DELETE and
SEARCH) then he changes the table's structure? Myabe by adding a field,
removing a field, or changing a field's size or type? In a non-framework
world you have to modify every script which references that table - you have
to change the screen definition, you have to change the validation rules,
and you have to change the code which communicates with the database. With a
framework like Radicore - which was specifically built for database
applications and not websites - all of that grunt work is eliminated. It
saves time, and time is money.

If you have ever built an applicaton which has evolved over the years to
incorporate over 200 databases tables, 350 relationships and 1700 screens
then you would appreciate such a time-saving feature. If, on the other hand,
you have never built an application which has more than a dozen dinky little
tables then you are unlikely to be using any sort of framework at all.

--
Tony Marston

http://www.tonymarston.net
http://www.radicore.org



> --
> Give a man a fish and you feed him for a day; give him a freshly-charged
> Electric Eel and chances are he won't bother you for anything ever
> again.
> -- Tanuki
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