• Subject: Re: Empty subfile error message
  • From: Jerry Keppler <kepplerj@xxxxxxxxxxxxxxxxxxxxx>
  • Date: Wed, 03 Dec 1997 14:28:26 -0600
  • Organization: Pattonville School District

SCHENCK_DONALD wrote:
> 
> All --
> 
> If you display an empty subfile, you get an error and the program
> bombs.
> 
> There is a technique where you write one record to the subfile then
> immediately
> clear the subfile. This prevents the error.
> 
> But; isn't there a more elegant way to avoid this error. If I
> mismember
> correctly, there's a keyword you can use. It's been over two years ...
> 
> ... help!
> 
> Peace,
> 
> -- Don "Losing my memory" Schenck

On the Subfile Control Record there is a keyword called SFLDSP.  This
keyword can be conditioned with an indicator.  If you turn the indicator
which conditions the SFLDSP keyword on only when there are records in
the subfile your program will not bomb due to an empty subfile.

_________________________________________________________
Jerry R. Keppler      Pattonville School District
Computer Programmer   11097 St. Charles Rock Road
(314) 213-8045 Voice  St. Ann, MO 63074-1509
(314) 213-8650 Fax    mailto:kepplerj@pattonville.k12.mo.us
+---
| This is the Midrange System Mailing List!
| To submit a new message, send your mail to "MIDRANGE-L@midrange.com".
| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---


This thread ...

Replies:

Follow On AppleNews
Return to Archive home page | Return to MIDRANGE.COM home page

This mailing list archive is Copyright 1997-2019 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].