RE: Subfile processing question

From: paultherrien [mailto:paultherrien@xxxxxxxxxxxxxxxxxx]
Sent: Friday, July 15, 2016 12:05 PM
To: Stone, Joel <Joel.Stone@xxxxxxxxxx>; Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: Subfile processing question

Are you redisplaying the subfile by using an exfmt (or write and read), to the subfile control record?

*yes*



When you fetch the subfile record, how are you fetching it? Are you chaining with a record number? Or are you doing a readc (i am not certain what the equivalent is in cobol).

Readc (COBOL equicalent)


It doesn't sound like you are getting the sfl record on the second try.

Correct. Any idea why not? Is it required to reset the SFL cursor to the top prior to READC or something similar?

Thanks

On the 2nd read are you testing for 'not found' or ;end of file' on the subfile read.

On July 15, 2016 at 12:48 PM "Stone, Joel" <Joel.Stone@xxxxxxxxxx<mailto:Joel.Stone@xxxxxxxxxx>> wrote:


In pgmA, I am presenting a subfile with only the OPTION field input-capable.

If user selects a record by keying "5" into the OPTION field, then I call pgmB to display it.

When control returns to pgmA, I am not able to repeat the above.

I put the pgm into debug, and any record selected from the subfile with an option 5 does nothing, ie the subfile continues to display and ignores the option 5.


Its cobol, but don't let that scare you. Should be the same as RPG.

In the SFL pgmA, I am looping thru a READ NEXT MODIFIED to grab the next changed SFL record.

Using STRDBG, the OPTION field that should contain '5" shows only blank.



When pgmB returns to pgmA, do I have to somehow reset the SFL cursor back to the top? Or something else?

Thanks in advance!


when key-ENTER-pressed
perform select-entry until EOF-SFL

...




select-entry.
read subfile DISPLAY-FILE next modified
format is 'SFLX'
indicators are ws-screen-indicators
at end
set EOF-SFL to true
not at end
move link-userID to parm-userID
move SITE of SFLX-o to parm-site
move CSCTYPE of SFLX-o to parm-csctype
move CSC-N of SFLX-o to parm-csc-n

evaluate scr-opt of SFLX-o
when '5'
move space to scr-opt of SFLX-o
move 'N' to parm-update
call 'CMP702' using parm-key
end-evaluate
rewrite subfile DISPLAY-rec
format is 'SFLX'
indicators are ws-screen-indicators
end-rewrite
end-read
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Paul Therrien
Andeco Software, LLC
paultherrien@xxxxxxxxxxxxxxxxxx<mailto:paultherrien@xxxxxxxxxxxxxxxxxx>