Re[2]: new display file features; was "4 - subfiles"

[eric.delong@xxxxxxxxxxxxxxxxx]

     Dan,
     
     Actually, I recently wrote a SFL display program that works like a 
     "shrinking listbox" (my terminology) where the subfile is filtered on 
     each keystroke. It actually works reasonably well, given certain 
     limitations. I used it to support an online glossary of medical terms 
     which our users can insert into text fields. 
     
     eric.delong@pmsi-services.com


______________________________ Reply Separator _________________________________
Subject: Re: new display file features; was "4 - subfiles" 
Author:  <MIDRANGE-L@midrange.com> at INET_WACO
Date:    11/10/99 4:57 PM


     
     
Booth,
     
Comments inline:
     
> On the other hand, filling a field automagically is becoming 
> another solution.   Is it easier for us to implement
> "automagic fill" from cursor-top or from a reload of the page?
     
I presume that what you mean by this is something that many Windoze apps 
utilize:  As a user types the search word, character by character, the 
application zeros in on the record in the "subfile" while each character is 
typed.  This would be the holy grail of AS/400 display file techniques (hokay, 
maybe not!) but requires the 5250 protocol to handle character-at-a-time I/O 
which, from my understanding, is not currently possible.
     
> So far as files changing,  I was hoping for discussion in 
> this area.  A 2,500 subfile reloads in 4 or 5 seconds.  If
> there was a way to easily tell if a file had changed then we 
> could reload the subfile fairly easily.
     
Have you tried the Retrieve Member Description (QUSRMBRD) API?  The MBRD0200 
format has the "Change date and time" of the file you're looking up.  I believe 
this value is the timestamp associated with any record change, add, or delete 
transaction on the file (member).  If it's fast enough, you might check it every
time control returns to the program from the display file.
     
- Dan Bale
     
     
     
     
     
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