RE: Subfile Record positioning

Marvin,
        Do this (I do and have not issues);

1. Make the F-spec SFILE(SUBFILE:RRN) and only use it to load the sub file
and populate another field to hold the total number of records written to
the sub file (MAXRRN).  RRN will get reset to the sub file record for chains
and readc even if you do not use it to process with.  I even use another
field for chaining to the sub file, since its value getting reset has caused
me problems.

2. For keyword SFLRCDNBR() use a separate field like POSRRN.  Populate it
right after EXFMT to the control by:
                ...     
                EXFMT SUBFCNTL
                IF      CSRRN > 0
                EVAL    POSRRN = CSRRRN  
                ELSE
                EVAL    POSRRN = LOWRRN
                ENDIF
                ...
The through out the program, if you read the sub file detail and need to
position to a specific record, EVAL POSRRN = sub file record #.  Just before
you EXFMT to the sub file control to prevent errors with POSRRN outside
actual number sub file detail records: 
                ...
                IF      POSRRN <=0 or POSRRN > MAXRRN
                EVAL    POSRRN = 1
                ENDIF
                EXFMT SUBFCNTL
                ...

3. You will continue to use the SFLCSRRRN(&CSRRRN). 

4.  Code a INFDS mapping like 
        D INFDSPF   DS
        D   LOWRRN             378 379I 0 
 LOWRRN position is the first record shown on the screen. 

With different fields containing a RRN value for different keywords and file
operations you can more easily see what a value of one of the fields is
going to be at EXFMT time.

Also, check to make sure you do not having DSPATR(PC) set on for fields in
the control record.  The cursor will get positioned there and subsequent
page operations will result in CSRRRN being zero.  

Thank you,
Matt Tyler
WinCo Foods, LLC
mattt@xxxxxxxxxxxxxx


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Marvin Radding
Sent: Tuesday, August 09, 2005 12:56 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Subfile Record positioning

Yes, I have the rrn properly defined in the program. 


Marvin


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Lim Hock-Chai
Sent: Tuesday, August 09, 2005 11:34 AM
To: RPG programming on the AS400 / iSeries
Subject: RE: Subfile Record positioning

is rrn field in the display file F spec, keyword SFILE(format :rrn)? 

If so, somewhere in your code you must have done a readc, which will
change the rrn to change.

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Marvin Radding
Sent: Tuesday, August 09, 2005 1:28 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Subfile Record positioning


I have another clue.

If I enter a space in a field for the record that the cursor is on, then
the subfile is positioned at the proper record.  If I just press enter
or press an Fkey, then it go to record 1.  And no, the only Fkey set to
CA is F03, all other are CF.

Marvin



-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Lim Hock-Chai
Sent: Tuesday, August 09, 2005 11:24 AM
To: RPG programming on the AS400 / iSeries
Subject: RE: Subfile Record positioning

if your program is not updating the field, it should stay as 1.  Am I
missing something?

-----Original Message-----
From: rpg400-l-bounces+lim.hock-chai=usamobility.com@xxxxxxxxxxxx
[mailto:rpg400-l-bounces+lim.hock-chai=usamobility.com@xxxxxxxxxxxx]On
Behalf Of Marvin Radding
Sent: Tuesday, August 09, 2005 12:38 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Subfile Record positioning


1. before any other action is taken it is 1.

2. after paging through the unfolded screen to record 5, pressing the
F10 key, the rrn is still 1

3. before the redisplay, it is still 1

Marvin


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Scott Klement
Sent: Tuesday, August 09, 2005 10:29 AM
To: RPG programming on the AS400 / iSeries
Subject: RE: Subfile Record positioning


> A            RRN            4S 0H      SFLRCDNBR(CURSOR *TOP)

And what is the value of the above RRN field at the time that exfmt the 
SFLCTL record?