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Hi

im posting my actual DDS and rpg program..(i am using it in a window subfile)

Thanx N regards
Derek

----------------------------------------------------------------------------------------------------------------------------------------
DDS for window subfile

----------------------------------------------------------------------------------------------------------------------------------------


    A
    A
    A                                      DSPSIZ(24 80 *DS3)
    A          R WINSFL                    SFL
    A
    A            D#OPT          1A  B  5  2VALUES('X' ' ')
    A            D#TRNM        50A  B  5  4
    A            D#ISRC        10A  O  5 55
    A            H#PROD        15A  H
    A            H#ARTS        60A  H
    A            H#ISRC        20A  H
    A          R WINCTL                    SFLCTL(WINSFL)
    A*%%TS  SD  20061011  165430  DEREK       REL-V4R4M0  5769-PW1
    A                                      CA03(03 'F3=Exit')
    A                                      ROLLUP(75)
    A                                      ROLLDOWN(76)
    A  50                                  SFLDSP
    A  51                                  SFLDSPCTL
    A  55                                  SFLCLR
    A  90                                  SFLEND(*MORE)
    A                                      SFLSIZ(0008)
    A                                      SFLPAG(0008)
    A                                      WINDOW(5 12 15 64)
    A                                      WDWBORDER((*COLOR BLU) (*DSPATR
RI)-
    A                                       (*CHAR '        '))
    A            RRN1           4S 0H      SFLRCDNBR
    A                                  4  2'X'
    A                                      COLOR(WHT)
    A            D#RSCD        60A  B  3  4
    A                                  4  4'Track Name'
    A          R DUMMY
    A*%%TS  SD  20061011  165430  DEREK       REL-V4R4M0  5769-PW1
    A                                      ASSUME
    A                                 13  2' '
    A          R FOOTER
    A*%%TS  SD  20061011  165430  DEREK       REL-V4R4M0  5769-PW1
    A                                      OVERLAY
    A                                      WINDOW(WINCTL)
    A                                      WDWBORDER((*COLOR BLU) (*DSPATR
RI)-
    A                                       (*CHAR '        '))
    A                                 14  1'F3=Exit'
    A                                      COLOR(BLU)




------------------------------------------------------------------------------------------------------------------------------------------
rpg program starts here

-----------------------------------------------------------------------------------------------------------------------------------------




    HOPTION(*NODEBUGIO)

    ********************
    ** FILE DECLARATIONS
    ********************

    FLCDETLL3  IF   E           K DISK

    FDERWIND   CF   E             WORKSTN
    F                                     SFILE(WINSFL:RRN1)
    F                                     INFDS(INFO)

    ******************
    ** DATA STRUCTURES
    ******************

    DINFO             DS
    DCFKEY                  369    369

    DSVLTRCK          S                   LIKE(LDTRNM)
    DSVLPROD          S                   LIKE(LDPROD)

    DEXIT             C                   CONST(X'33')
    DCANCEL           C                   CONST(X'3C')
    DENTER            C                   CONST(X'F1')
    DROLLUP           C                   CONST(X'F5')
    DROLLDN           C                   CONST(X'F4')
    D*SFLPAG           C                   CONST(8)
    DSFLPAG           S              3  0
    DSFLPAG_PLUS_1    C                   CONST(9)

    D*RRN1             S              3  0

    DW@FLAG           S              1

    ***************
    ** MAIN ROUTINE
    ***************

    C                   EXSR      $SFLCLR
    C                   EXSR      $SFLBLD

    C                   DOU       (CFKEY = EXIT)
    C**                 WRITE     FOOTER
    C                   EVAL      *IN51 = *ON
    C                   EXFMT     WINCTL
    C                   EVAL      *IN51 = *OFF

    C                   EXSR      $CHECK
    C                   IF        W@FLAG = 'Y'
    C                   LEAVE
    C                   ENDIF

    C                   SELECT
    C                   WHEN      (CFKEY = ENTER) AND (D#RSCD <>*BLANKS)
    C     D#RSCD        SETLL     LCDETL1
    C                   EXSR      $SFLCLR
    C                   EXSR      $SFLBLD
    C                   CLEAR                   D#RSCD

    C*                  WHEN      (CFKEY = ROLLUP) AND (NOT *IN90)
    C                   WHEN      (*IN75 = *ON) AND (NOT *IN90)
    C                   EXSR      $SFLCLR
    C                   EXSR      $SFLBLD

    C*                  WHEN      (CFKEY = ROLLDN) AND (*IN50 = *ON)
    C                   WHEN      (*IN76 = *ON) AND (*IN50 = *ON)
    C                   EXSR      $GOBACK
    C                   EXSR      $SFLCLR
    C                   EXSR      $SFLBLD

    C                   ENDSL
    C                   ENDDO

    C                   EVAL      *INLR = *ON

    *********************
    ** $SFLCLR SUBROUTINE
    *********************

    C     $SFLCLR       BEGSR

    C                   EVAL      RRN1 = 0
    C                   EVAL      *IN55 = *ON
    C                   WRITE     WINCTL
    C                   EVAL      *IN55 = *OFF
    C                   EVAL      *IN50 = *ON

    C     #SFLCLR       ENDSR

    *********************
    ** $SFLBLD SUBROUTINE
    *********************

    C     $SFLBLD       BEGSR

    C                   EVAL      SFLPAG = 8

    C                   DO        SFLPAG
    C                   READ      LCDETL1                                90
    C                   IF        *IN90 = *ON
    C                   LEAVE
    C                   ENDIF

    C*                  IF        LDCNFG <> 'CD' AND LDCNFG <> 'VD'
    C*                  READ      LCDETL1                                90
    C***                EVAL      SFLPAG = SFLPAG + 1
    C*                  ITER
    C*                  ENDIF

    C                   EXSR      $MOVSCR
    C                   EVAL      RRN1 = RRN1 +1
    C                   WRITE     WINSFL

    ** SAVE THE FIRST RECORD DATA

    C                   IF        RRN1 = 1
    C                   EVAL      SVLTRCK = LDTRNM
    C                   EVAL      SVLPROD = LDPROD
    C                   ENDIF
    C                   ENDDO

    C                   IF        RRN1 = 0
    C                   EVAL      *IN50 = *OFF
    C                   ELSE
    C                   EVAL      *IN50 = *ON
    C                   ENDIF

    C     #SFLBLD       ENDSR

    *********************
    ** $GOBACK SUBROUTINE
    *********************

    C     $GOBACK       BEGSR

    C     SAVKEY        SETLL     LCDETL1
    C*    SVLTRCK       SETLL     LCDETL1

    C                   DO        SFLPAG_PLUS_1
    C                   READP     LCDETL1                                90
    C                   IF        *IN90 = *ON
    C     *LOVAL        SETLL     LCDETL1
    C                   LEAVE
    C                   ENDIF
    C                   ENDDO

    C     #GOBACK       ENDSR

    *********************
    ** $MOVSCR SUBROUTINE
    *********************

    C     $MOVSCR       BEGSR

    C                   EVAL      D#TRNM = LDTRNM
    C                   EVAL      D#ISRC = LDISRC
    C                   EVAL      H#ISRC = LDISRC
    C                   EVAL      H#PROD = LDPROD
    C                   EVAL      H#ARTS = LDARTS

    C     #MOVSCR       ENDSR

    ********************
    ** $CHECK SUBROUTINE
    ********************

    C     $CHECK        BEGSR
    C                   EVAL      W@FLAG = 'N'
    C                   READC     WINSFL                                 81
    C                   IF        *IN81 = *OFF AND D#OPT = 'X'
    C                   EVAL      T#TRNM = D#TRNM
    C                   EVAL      T#ISRC = H#ISRC
    C                   EVAL      T#PROD = H#PROD
    C                   EVAL      T#ARTS = H#ARTS
    C                   EVAL      W@FLAG = 'Y'
    C                   ENDIF
    C     #CHECK        ENDSR

    ********************
    ** *INZSR SUBROUTINE
    ********************

    C     *INZSR        BEGSR

    C     SAVKEY        KLIST
    C                   KFLD                    SVLTRCK
    C                   KFLD                    SVLPROD

    C     *ENTRY        PLIST
    C                   PARM                    T#TRNM           60
    C                   PARM                    T#ISRC           20
    C                   PARM                    T#PROD           15
    C                   PARM                    T#ARTS           35

    C                   ENDSR







From: "Jonathan Mason" <jonathan.mason@xxxxxxxxxxxxxxxx>
Reply-To: RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>
To: "'RPG programming on the AS400 / iSeries'" <rpg400-l@xxxxxxxxxxxx>
Subject: RE: single page subfile- position to problem...
Date: Wed, 11 Oct 2006 14:09:07 +0100

Can you post the DDS for the display file too?  What is the value of the
field defined in the DDS with the SFLRCDNBR keyword?  If the value of this
field doesn't match a RRN for the subfile then you'll get the I/O error you
describe. You would also get that error if the subfile was empty and SFLDSP
is set.

Jonathan

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of derek gonsalves
Sent: 11 October 2006 13:14
To: RPG400-L@xxxxxxxxxxxx
Subject: single page subfile- position to problem...

hii evrbody...

i have an issue with the single page subfile loading..
the page- up and  page-dwn functions are working fine.. bu when i enter a
value in the position to field the subfile gets loaded from that value
onwards .. but if i do a pageup(rolldown) then the program crashes. gives me
an error as --- Permanent input output error occured in the display file

i tried debugging .. and the values are being written into the subfile
record format .. but during the Exfmt of the subfile control .. the program
crashes...

my rpg code has been written on the same lines as follows.... except for
changes in field names and file names.. but i have followed the same
structure and logic.
(this reference code was obtained from Midrange Programmer - Back to basics)


Any help will be appreciated ....

Thanx nd Regards

Derek
     *================================================================
      *
      *  To compile:
      *
* CRTRPGPGM PGM(XXX/PAGEATATIMERG) SRCFILE(XXX/QRPGLESRC)
      *
      * rpgle program for single page subfile
      *

*=======================================================================
     Fsfl003df  cf   e             workstn
     F                                     sfile(sfl1:rrn1)
     F                                     infds(info)
     Fsfl001lf  if   e           k disk

     Dinfo             ds
     D cfkey                 369    369

     Dsvlnam           S                   like(dblnam)
     Dsvfnam           S                   like(dbfnam)

     Dexit             C                   const(X'33')
     Dcancel           C                   const(X'3C')
     Denter            C                   const(X'F1')
     Drollup           C                   const(X'F5')
     Drolldn           C                   const(X'F4')
     Dsflpag           C                   const(15)
     Dsflpag_plus_1    C                   const(16)
      *
      *****************************************************************
      *  Main Routine
      *****************************************************************
      *
      * Clear then build the initial subfile
      *
     C                   exsr      clrsfl
     C                   exsr      sflbld
      *
      * Do loop to process the subfile until F3 or F12 is pressed
      *
     C                   dou       (cfkey = exit) or (cfkey = cancel)
      *
     C                   write     fkey1
     C                   exfmt     sf1ctl
      *
      * Process position to information entered by the user, then clear
      * and rebuild the subfile. Lastly, clear the position to field
      *
     C                   select
     C                   when      (cfkey = enter) and (ptname <> *blanks)
     C     ptname        setll     sfl001lf
     C                   exsr      clrsfl
     C                   exsr      sflbld
     C                   clear                   ptname
      *
      * Clear and rebuild the subfile when user pages down (rolls up)
      *
     C                   when      (cfkey = rollup) and (not *in90)
     C                   exsr      clrsfl
     C                   exsr      sflbld
      *
      * Position data file to one page before current subfile data, then
      * clear and rebuild the subfile to show that previous page
      *
     C                   when      (cfkey = rolldn) and (not *in32)
     C                   exsr      goback
     C                   exsr      clrsfl
     C                   exsr      sflbld

     C                   endsl
     C                   enddo

     C                   eval      *inlr = *on
      *
      *****************************************************************
      *  CLRSFL - Clear the subfile
      *****************************************************************
      *
     C     clrsfl        begsr
      *
      * Clear relative record numbers and subfile
      *
     C                   eval      rrn1 = *zero
     C                   eval      *in31 = *on
     C                   write     sf1ctl
     C                   eval      *in31 = *off
     C                   eval      *in32 = *off

     C                   endsr
      *
      *****************************************************************
      *  SFLBLD - Build the List
      *****************************************************************
      *
     C     sflbld        begsr
      *
      * Load the subfile with one page of data or until end-of-file
      *
     C                   do        sflpag
C read sfl001lf 90

     C                   if        *in90
     C                   leave
     C                   endif

     C                   eval      rrn1 = rrn1 + 1
     C                   write     sfl1
      *
      * save first record data
      *
     C                   if        rrn1 = 1
     C                   eval      svlnam = dblnam
     C                   eval      svfnam = dbfnam
     C                   endif

     C                   enddo
      *
      * If no records added to subfile, do not display it
      *
     C                   if        rrn1 = *zero
     C                   eval      *in32 = *on
     C                   endif
      *
     C                   endsr
      *
      *****************************************************************
      *  GOBACK - page backward one page
      *****************************************************************
      *
     C     goback        begsr
      *
      * Position data file to first record of subfile
      *
     C     savkey        setll     sfl001lf
      *
      * Re-position pointer in file for rolling backward. If beginning
      * of file hit before done, set pointer to first record of data file.
      *
     C                   do        sflpag_plus_1
     C                   readp     sfl001lf
     C                   if        %eof
     C     *loval        setll     sfl001lf
     C                   leave
     C                   endif
     C                   enddo
      *
     C                   endsr
      *
      *****************************************************************
      *  KEYLISTS
      *****************************************************************
      *
     C     savkey        klist
     C                   kfld                    svlnam
     C                   kfld                    svfnam


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