RE: FW: Keyword on DSPF entry field

["Smith, Nelson" <NSmith@xxxxxxxxxxx>]

Thanks Doug, Richard.   We'll give the alpha field a try.

> -----Original Message-----
> From: Douglas Handy [SMTP:dhandy1@bellsouth.net]
> Sent: Tuesday, April 09, 2002 12:16 PM
> To:   rpg400-l@midrange.com
> Subject:      Re: FW: Keyword on DSPF entry field
>
> Nelson,
>
> >C'mon, guys.  This is a real production problem we have, and I've had no
> >responses from anyone, yet
>
> Probably because I don't think it can be done in the manner you hope..
>
> >We need to be able to prevent users from tabbing or arrowing out of a
> >numeric field without first doing a field exit.  There must be some
> standard
> >way of preventing this error.
>
> I do have a standard way of preventing the error -- I don't use numeric
> fields,
> and gave up on them even back on the S/36.  Instead I use character fields
> from
> the program viewpoint, so that the WS controller and/or the OS service
> routines
> do not interpret the contents.
>
> This lets me perform my own character to numeric conversions (in a service
> program on the 400, it was monolithic standardized subroutine on the
> S/36), and
> handle left justified fields correctly and issue errors when there are
> embedded
> blanks.
>
> As has often been discussed here, don't try to use C's atoi() function for
> this.
> You need your own routine -- like what Barbara Morris has often posted --
> so you
> can correctly interpret the numbers and issues errors when the contents is
> ambigous.
>
> Doug
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