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CONSTRUCT enhancements
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Topic: CONSTRUCT enhancements (Read 9949 times)
Candy M.
Posts: 139
CONSTRUCT enhancements
«
on:
January 30, 2009, 02:14:19 am »
We would like to be able to do two things:
1. Build a form dynamically in the DOM tree without an XML (.42f) file.
2. Then by using that form, have an enhanced CONSTRUCT statement
that allows you to specify the column-list dynamically with a screen and
specify the screen record dynamically with string and the screen record
matches the form.
Then, given any table in the database, we could generate a dynamic
Query-By-Form. This would be really NICE!! If there is a way to
do this now, I'd like to know how to do it.
I think it's like what Neil was talking about in other thread with his DBQUERY.
What happened to the dbquery that I have in my Genero Training manual?
Candy McCall
Sebastien F.
Posts: 545
Re: CONSTRUCT enhancements
«
Reply #1 on:
January 30, 2009, 10:23:11 am »
Candy,
Just a quick thought (not tried):
As you know, the data types of CONSTRUCT fields are defined by the form file (not program variables like in INPUT).
Maybe you can setup a CONSTRUCT that has a predefined list of fields (hard-coded), and disable/hide the fields that are not needed.
As long as the unused fields are defined in the form that should work...
The dialog internals are prepared for generic/dynamic programing (add fields dynamically), but we don't want to publish this for now as we have other priorities. We will certainly consider this in a future version.
Seb
Sebastien F.
Posts: 545
Re: CONSTRUCT enhancements
«
Reply #2 on:
January 30, 2009, 10:26:26 am »
Another idea I suggested one day to the team was to let you generate 4gl code at runtime, compile and load the module with a special instruction, then call functions from that module.
That would remove all limitations of the current static 4gl instructions, IMHO.
Just a personal thought, not discussed in detail with the team.
Seb
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