Re: Techniques for variable field types in a subfile

["david.vann" <david.vann@xxxxxxxxxxxxxxx>]

What's a finite state machine?

Cheers  -  Ignoramus

----- Original Message -----
From: paul cunnane <paul@cunnane.net>
To: <RPG400-L@midrange.com>
Sent: Thursday, August 10, 2000 12:19 PM
Subject: Re: Techniques for variable field types in a subfile


> Reading Mark's original message, he wants to be able to input as well as
> display the different values.  Most of the replies are perfectly valid for
> output only, but fail to address the input needs.
>
> Buck suggested identifying the input type based on the first column -- I
> would suggest a hidden field.  Also, validating for valid date or numeric
> information is relatively easy with the TEST and TESTN opcodes.
>
> Of course, testing for numeric data if the field contains currency
> formatting is tricky.  This can be worked around by writing a small
routine
> to strip the currency symbols and commas, or if you want to get fancier, a
> little finite state machine to validate the entered value.
>
> --
> Paul
>
> ----- Original Message -----
> From: david.vann <david.vann@tinyworld.co.uk>
> To: <RPG400-L@midrange.com>
> Sent: Thursday, August 10, 2000 9:01 AM
> Subject: Re: Techniques for variable field types in a subfile
>
>
> > The simple way of doing this is to use a character field and load
whatever
> > data in the program before you write to the subfile.  Otherwise, using a
> > Single-Page subfile only, you can condition fields for display when
> EXFMTing
> > the subfile control.
> >
> >
> > ----- Original Message -----
> > From: Mark Drazic <Mark.Drazic@Omniumww.com>
> > To: <RPG400-L@midrange.com>
> > Sent: Wednesday, August 09, 2000 8:32 PM
> > Subject: Techniques for variable field types in a subfile
> >
> >
> > > We currently have a requirement to display/edit variable field types
in
> a
> > > subfile list, for example:
> > >
> > > Description             Value
> > > Payment Amount          $99,999.99 <------- Numeric field
> > > Payment Date            01/01/2000 <------- Date Field
> > > Payment Status              ACTIVE <------- Text Field
> > >
> > > Obviously, one can Display/Hide/Protect different columns in a subfile
> > list,
> > > but this has its technical restrictions and also objections from the
> user
> > > community.  The intent here, is to use ONE column in the subfile for
> > fields
> > > defined with different types.  We know this must be possible, because
> > > applications such as DBU & PFE use a similiar technique when
displaying
> > > fields from database files.  Any suggestions would be greatly
> appreciated.
> > >
> > > Thank you.
>
>
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