ABAP Select data from SAP table WLBWEXPREP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP WLBWEXPREP table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to WLBWEXPREP. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the WLBWEXPREP table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_WLBWEXPREP TYPE STANDARD TABLE OF WLBWEXPREP,
      WA_WLBWEXPREP TYPE WLBWEXPREP,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <WLBWEXPREP> TYPE WLBWEXPREP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_WLBWEXPREP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM WLBWEXPREP
  INTO TABLE IT_WLBWEXPREP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WLBWEXPREP
*  INTO TABLE @DATA(IT_WLBWEXPREP2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_WLBWEXPREP INDEX 1 INTO DATA(WA_WLBWEXPREP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_WLBWEXPREP ASSIGNING <WLBWEXPREP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WLBWEXPREP>-INFOCUBE = 1.
<WLBWEXPREP>-IPROVTYPE = 1.
<WLBWEXPREP>-QUERYID = 1.
<WLBWEXPREP>-TEMPLATE = 1.
<WLBWEXPREP>-NRQUERY = 1.

ENDLOOP.

LOOP AT IT_WLBWEXPREP INTO WA_WLBWEXPREP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WLBWEXPREP-NAVSTEP, sy-vline,
  WA_WLBWEXPREP-NRSESSIONS, sy-vline,
  WA_WLBWEXPREP-TIMEOLAPIN, sy-vline,
  WA_WLBWEXPREP-PCTTIMOLIN, sy-vline,
  WA_WLBWEXPREP-AVOLPINNVS, sy-vline,
  WA_WLBWEXPREP-MEDOLPINIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WLBWEXPREP you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_WLBWEXPREP TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_WLBWEXPREP INTO WA_WLBWEXPREP.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_WLBWEXPREP_STR, 
INFOCUBE TYPE STRING,
IPROVTYPE TYPE STRING,
QUERYID TYPE STRING,
TEMPLATE TYPE STRING,
NRQUERY TYPE STRING,
NAVSTEP TYPE STRING,
NRSESSIONS TYPE STRING,
TIMEOLAPIN TYPE STRING,
PCTTIMOLIN TYPE STRING,
AVOLPINNVS TYPE STRING,
MEDOLPINIT TYPE STRING,
TIMEOLAP TYPE STRING,
PCTTIMOLAP TYPE STRING,
AVOLPNAVST TYPE STRING,
MEDOLAP TYPE STRING,
TIMEDB TYPE STRING,
PCTTIMEDB TYPE STRING,
AVDBNAVST TYPE STRING,
MEDDB TYPE STRING,
TIMECLIENT TYPE STRING,
PCTTIMECLI TYPE STRING,
AVCLINAVST TYPE STRING,
MEDCLIENT TYPE STRING,
TIMEMSTDAT TYPE STRING,
PCTTIMMSDA TYPE STRING,
AVMDTNAVST TYPE STRING,
MEDMASTDAT TYPE STRING,
TIMEPLAN TYPE STRING,
PCTTIMPLAN TYPE STRING,
AVPLNNAVST TYPE STRING,
TIME_NA TYPE STRING,
PCTTIMNA TYPE STRING,
AVNANAVST TYPE STRING,
TIMETOTAL TYPE STRING,
AVTOTNAVST TYPE STRING,
AVGTOTREQ TYPE STRING,
MEDTOTAL TYPE STRING,
DBSEL TYPE STRING,
DBTRANS TYPE STRING,
DBTRANSSEL TYPE STRING,
DBTIMSEL TYPE STRING,
NUMCELLS TYPE STRING,
NUMCELTRNS TYPE STRING,
NUMRANGES TYPE STRING,
NUMRANGCEL TYPE STRING,
ODBOTOTAL TYPE STRING,
ODBOT TYPE STRING,
ODBOTINIT TYPE STRING,
ODBOTPREPAXES TYPE STRING,
ODBONCALLS TYPE STRING,
WEBTTEMPPREP TYPE STRING,
WEBTRENDER TYPE STRING,
TIMEFRONTPROC TYPE STRING,
DISPLEVEL1 TYPE STRING,
DISPLEVEL2 TYPE STRING,
AGGRLEVEL TYPE STRING,
QTIMECATEG TYPE STRING,
QNAVSTEP TYPE STRING,
QTIMETOTAL TYPE STRING,
EXPIMEMEAN TYPE STRING,
QTIMEMEAN TYPE STRING,
COMPONENT TYPE STRING,
FRONTEND TYPE STRING,
OLAPCACHE TYPE STRING,
STATLEVEL TYPE STRING,
BWSYSID TYPE STRING,
AGGRCUBE TYPE STRING,
NRAGGR TYPE STRING,
AGGRTOTAL TYPE STRING,
CHANGEMODE TYPE STRING,
TIMEROLL TYPE STRING,
PCTTIROLL TYPE STRING,
AVGTIROLL TYPE STRING,
RECROLL TYPE STRING,
NRAGRROLL TYPE STRING,
TIMENEW TYPE STRING,
PCTTINEW TYPE STRING,
AVGTINEW TYPE STRING,
RECNEW TYPE STRING,
NRAGRNEW TYPE STRING,
TIMEDELTA TYPE STRING,
PCTTIDELTA TYPE STRING,
AVGTIDELTA TYPE STRING,
RECDELTA TYPE STRING,
NRAGRDELTA TYPE STRING,
AGRTIMTOT TYPE STRING,
AGAVTIMTOT TYPE STRING,
TIMEREAD TYPE STRING,
PCTTIMREAD TYPE STRING,
AVGTIMREAD TYPE STRING,
TIMEINSERT TYPE STRING,
PCTTIMINST TYPE STRING,
AVGTIMINST TYPE STRING,
TIMEINDEX TYPE STRING,
PCTTIMINDX TYPE STRING,
AVGTIMINDX TYPE STRING,
TIMEDBANLY TYPE STRING,
PCTTIMANLY TYPE STRING,
AVGTIMANLY TYPE STRING,
TIMECONDNS TYPE STRING,
PCTTIMCOND TYPE STRING,
AVGTIMCOND TYPE STRING,
REC_READ TYPE STRING,
AVGRECREAD TYPE STRING,
AVGRDTIREC TYPE STRING,
REC_INSERT TYPE STRING,
AVGRECINS TYPE STRING,
AVGINSTIRC TYPE STRING,
NRRECREINS TYPE STRING,
STARTTIME TYPE STRING,
CALDAY TYPE STRING,
UTIME TYPE STRING,
UNAME TYPE STRING,
STATUID TYPE STRING,
INFOSOURCE TYPE STRING,
NRISOURCES TYPE STRING,
TARGET TYPE STRING,
NRTARGETS TYPE STRING,
NRREQUESTS TYPE STRING,
REQUESTID TYPE STRING,
ACTION TYPE STRING,
UPLD_PARAL TYPE STRING,
RECREADPH TYPE STRING,
RECWRITPH TYPE STRING,
TIMSOURCE TYPE STRING,
TIMSOURC3 TYPE STRING,
PCTTIMSRC TYPE STRING,
AVGTIMSRC TYPE STRING,
NRRCRDSRC TYPE STRING,
AVRCRDSRC TYPE STRING,
NRCRDSCPH TYPE STRING,
TIMRDSCMS TYPE STRING,
TIMTRANSF TYPE STRING,
TIMTRANS3 TYPE STRING,
PCTTIMTRF TYPE STRING,
AVGTIMTRF TYPE STRING,
NRRCRDTRF TYPE STRING,
AVRCRDTRF TYPE STRING,
NRCRDTFPH TYPE STRING,
TIMRDTFMS TYPE STRING,
TIMEPSA TYPE STRING,
TIMEPSA3 TYPE STRING,
PCTTIMPSA TYPE STRING,
AVGTIMPSA TYPE STRING,
NRRCRDPSA TYPE STRING,
AVRCRDPSA TYPE STRING,
NRCRDPSPH TYPE STRING,
TIMRDPSMS TYPE STRING,
TIMUPDATE TYPE STRING,
TIMUPDAT3 TYPE STRING,
PCTTIMUPD TYPE STRING,
AVGTIMUPD TYPE STRING,
NRRCRDUPD TYPE STRING,
AVRCRDUPD TYPE STRING,
NRCRDUPPH TYPE STRING,
TIMRDUPMS TYPE STRING,
TIMTARGET TYPE STRING,
TIMTARGT3 TYPE STRING,
PCTTIMTGT TYPE STRING,
AVGTIMTGT TYPE STRING,
NRRCRDTGT TYPE STRING,
AVRCRDTGT TYPE STRING,
NRCRDTGPH TYPE STRING,
TIMRDTGMS TYPE STRING,
LOGSYS TYPE STRING,
IPAKID TYPE STRING,
MANUAL TYPE STRING,
TFMETHOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WLBWEXPREP_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_WLBWEXPREP_STR-INFOCUBE sy-vline 
WA_WLBWEXPREP_STR-IPROVTYPE sy-vline 
WA_WLBWEXPREP_STR-QUERYID sy-vline 
WA_WLBWEXPREP_STR-TEMPLATE sy-vline 
WA_WLBWEXPREP_STR-NRQUERY sy-vline 
WA_WLBWEXPREP_STR-NAVSTEP sy-vline 
WA_WLBWEXPREP_STR-NRSESSIONS sy-vline 
WA_WLBWEXPREP_STR-TIMEOLAPIN sy-vline 
WA_WLBWEXPREP_STR-PCTTIMOLIN sy-vline 
WA_WLBWEXPREP_STR-AVOLPINNVS sy-vline 
WA_WLBWEXPREP_STR-MEDOLPINIT sy-vline 
WA_WLBWEXPREP_STR-TIMEOLAP sy-vline 
WA_WLBWEXPREP_STR-PCTTIMOLAP sy-vline 
WA_WLBWEXPREP_STR-AVOLPNAVST sy-vline 
WA_WLBWEXPREP_STR-MEDOLAP sy-vline 
WA_WLBWEXPREP_STR-TIMEDB sy-vline 
WA_WLBWEXPREP_STR-PCTTIMEDB sy-vline 
WA_WLBWEXPREP_STR-AVDBNAVST sy-vline 
WA_WLBWEXPREP_STR-MEDDB sy-vline 
WA_WLBWEXPREP_STR-TIMECLIENT sy-vline 
WA_WLBWEXPREP_STR-PCTTIMECLI sy-vline 
WA_WLBWEXPREP_STR-AVCLINAVST sy-vline 
WA_WLBWEXPREP_STR-MEDCLIENT sy-vline 
WA_WLBWEXPREP_STR-TIMEMSTDAT sy-vline 
WA_WLBWEXPREP_STR-PCTTIMMSDA sy-vline 
WA_WLBWEXPREP_STR-AVMDTNAVST sy-vline 
WA_WLBWEXPREP_STR-MEDMASTDAT sy-vline 
WA_WLBWEXPREP_STR-TIMEPLAN sy-vline 
WA_WLBWEXPREP_STR-PCTTIMPLAN sy-vline 
WA_WLBWEXPREP_STR-AVPLNNAVST sy-vline 
WA_WLBWEXPREP_STR-TIME_NA sy-vline 
WA_WLBWEXPREP_STR-PCTTIMNA sy-vline 
WA_WLBWEXPREP_STR-AVNANAVST sy-vline 
WA_WLBWEXPREP_STR-TIMETOTAL sy-vline 
WA_WLBWEXPREP_STR-AVTOTNAVST sy-vline 
WA_WLBWEXPREP_STR-AVGTOTREQ sy-vline 
WA_WLBWEXPREP_STR-MEDTOTAL sy-vline 
WA_WLBWEXPREP_STR-DBSEL sy-vline 
WA_WLBWEXPREP_STR-DBTRANS sy-vline 
WA_WLBWEXPREP_STR-DBTRANSSEL sy-vline 
WA_WLBWEXPREP_STR-DBTIMSEL sy-vline 
WA_WLBWEXPREP_STR-NUMCELLS sy-vline 
WA_WLBWEXPREP_STR-NUMCELTRNS sy-vline 
WA_WLBWEXPREP_STR-NUMRANGES sy-vline 
WA_WLBWEXPREP_STR-NUMRANGCEL sy-vline 
WA_WLBWEXPREP_STR-ODBOTOTAL sy-vline 
WA_WLBWEXPREP_STR-ODBOT sy-vline 
WA_WLBWEXPREP_STR-ODBOTINIT sy-vline 
WA_WLBWEXPREP_STR-ODBOTPREPAXES sy-vline 
WA_WLBWEXPREP_STR-ODBONCALLS sy-vline 
WA_WLBWEXPREP_STR-WEBTTEMPPREP sy-vline 
WA_WLBWEXPREP_STR-WEBTRENDER sy-vline 
WA_WLBWEXPREP_STR-TIMEFRONTPROC sy-vline 
WA_WLBWEXPREP_STR-DISPLEVEL1 sy-vline 
WA_WLBWEXPREP_STR-DISPLEVEL2 sy-vline 
WA_WLBWEXPREP_STR-AGGRLEVEL sy-vline 
WA_WLBWEXPREP_STR-QTIMECATEG sy-vline 
WA_WLBWEXPREP_STR-QNAVSTEP sy-vline 
WA_WLBWEXPREP_STR-QTIMETOTAL sy-vline 
WA_WLBWEXPREP_STR-EXPIMEMEAN sy-vline 
WA_WLBWEXPREP_STR-QTIMEMEAN sy-vline 
WA_WLBWEXPREP_STR-COMPONENT sy-vline 
WA_WLBWEXPREP_STR-FRONTEND sy-vline 
WA_WLBWEXPREP_STR-OLAPCACHE sy-vline 
WA_WLBWEXPREP_STR-STATLEVEL sy-vline 
WA_WLBWEXPREP_STR-BWSYSID sy-vline 
WA_WLBWEXPREP_STR-AGGRCUBE sy-vline 
WA_WLBWEXPREP_STR-NRAGGR sy-vline 
WA_WLBWEXPREP_STR-AGGRTOTAL sy-vline 
WA_WLBWEXPREP_STR-CHANGEMODE sy-vline 
WA_WLBWEXPREP_STR-TIMEROLL sy-vline 
WA_WLBWEXPREP_STR-PCTTIROLL sy-vline 
WA_WLBWEXPREP_STR-AVGTIROLL sy-vline 
WA_WLBWEXPREP_STR-RECROLL sy-vline 
WA_WLBWEXPREP_STR-NRAGRROLL sy-vline 
WA_WLBWEXPREP_STR-TIMENEW sy-vline 
WA_WLBWEXPREP_STR-PCTTINEW sy-vline 
WA_WLBWEXPREP_STR-AVGTINEW sy-vline 
WA_WLBWEXPREP_STR-RECNEW sy-vline 
WA_WLBWEXPREP_STR-NRAGRNEW sy-vline 
WA_WLBWEXPREP_STR-TIMEDELTA sy-vline 
WA_WLBWEXPREP_STR-PCTTIDELTA sy-vline 
WA_WLBWEXPREP_STR-AVGTIDELTA sy-vline 
WA_WLBWEXPREP_STR-RECDELTA sy-vline 
WA_WLBWEXPREP_STR-NRAGRDELTA sy-vline 
WA_WLBWEXPREP_STR-AGRTIMTOT sy-vline 
WA_WLBWEXPREP_STR-AGAVTIMTOT sy-vline 
WA_WLBWEXPREP_STR-TIMEREAD sy-vline 
WA_WLBWEXPREP_STR-PCTTIMREAD sy-vline 
WA_WLBWEXPREP_STR-AVGTIMREAD sy-vline 
WA_WLBWEXPREP_STR-TIMEINSERT sy-vline 
WA_WLBWEXPREP_STR-PCTTIMINST sy-vline 
WA_WLBWEXPREP_STR-AVGTIMINST sy-vline 
WA_WLBWEXPREP_STR-TIMEINDEX sy-vline 
WA_WLBWEXPREP_STR-PCTTIMINDX sy-vline 
WA_WLBWEXPREP_STR-AVGTIMINDX sy-vline 
WA_WLBWEXPREP_STR-TIMEDBANLY sy-vline 
WA_WLBWEXPREP_STR-PCTTIMANLY sy-vline 
WA_WLBWEXPREP_STR-AVGTIMANLY sy-vline 
WA_WLBWEXPREP_STR-TIMECONDNS sy-vline 
WA_WLBWEXPREP_STR-PCTTIMCOND sy-vline 
WA_WLBWEXPREP_STR-AVGTIMCOND sy-vline 
WA_WLBWEXPREP_STR-REC_READ sy-vline 
WA_WLBWEXPREP_STR-AVGRECREAD sy-vline 
WA_WLBWEXPREP_STR-AVGRDTIREC sy-vline 
WA_WLBWEXPREP_STR-REC_INSERT sy-vline 
WA_WLBWEXPREP_STR-AVGRECINS sy-vline 
WA_WLBWEXPREP_STR-AVGINSTIRC sy-vline 
WA_WLBWEXPREP_STR-NRRECREINS sy-vline 
WA_WLBWEXPREP_STR-STARTTIME sy-vline 
WA_WLBWEXPREP_STR-CALDAY sy-vline 
WA_WLBWEXPREP_STR-UTIME sy-vline 
WA_WLBWEXPREP_STR-UNAME sy-vline 
WA_WLBWEXPREP_STR-STATUID sy-vline 
WA_WLBWEXPREP_STR-INFOSOURCE sy-vline 
WA_WLBWEXPREP_STR-NRISOURCES sy-vline 
WA_WLBWEXPREP_STR-TARGET sy-vline 
WA_WLBWEXPREP_STR-NRTARGETS sy-vline 
WA_WLBWEXPREP_STR-NRREQUESTS sy-vline 
WA_WLBWEXPREP_STR-REQUESTID sy-vline 
WA_WLBWEXPREP_STR-ACTION sy-vline 
WA_WLBWEXPREP_STR-UPLD_PARAL sy-vline 
WA_WLBWEXPREP_STR-RECREADPH sy-vline 
WA_WLBWEXPREP_STR-RECWRITPH sy-vline 
WA_WLBWEXPREP_STR-TIMSOURCE sy-vline 
WA_WLBWEXPREP_STR-TIMSOURC3 sy-vline 
WA_WLBWEXPREP_STR-PCTTIMSRC sy-vline 
WA_WLBWEXPREP_STR-AVGTIMSRC sy-vline 
WA_WLBWEXPREP_STR-NRRCRDSRC sy-vline 
WA_WLBWEXPREP_STR-AVRCRDSRC sy-vline 
WA_WLBWEXPREP_STR-NRCRDSCPH sy-vline 
WA_WLBWEXPREP_STR-TIMRDSCMS sy-vline 
WA_WLBWEXPREP_STR-TIMTRANSF sy-vline 
WA_WLBWEXPREP_STR-TIMTRANS3 sy-vline 
WA_WLBWEXPREP_STR-PCTTIMTRF sy-vline 
WA_WLBWEXPREP_STR-AVGTIMTRF sy-vline 
WA_WLBWEXPREP_STR-NRRCRDTRF sy-vline 
WA_WLBWEXPREP_STR-AVRCRDTRF sy-vline 
WA_WLBWEXPREP_STR-NRCRDTFPH sy-vline 
WA_WLBWEXPREP_STR-TIMRDTFMS sy-vline 
WA_WLBWEXPREP_STR-TIMEPSA sy-vline 
WA_WLBWEXPREP_STR-TIMEPSA3 sy-vline 
WA_WLBWEXPREP_STR-PCTTIMPSA sy-vline 
WA_WLBWEXPREP_STR-AVGTIMPSA sy-vline 
WA_WLBWEXPREP_STR-NRRCRDPSA sy-vline 
WA_WLBWEXPREP_STR-AVRCRDPSA sy-vline 
WA_WLBWEXPREP_STR-NRCRDPSPH sy-vline 
WA_WLBWEXPREP_STR-TIMRDPSMS sy-vline 
WA_WLBWEXPREP_STR-TIMUPDATE sy-vline 
WA_WLBWEXPREP_STR-TIMUPDAT3 sy-vline 
WA_WLBWEXPREP_STR-PCTTIMUPD sy-vline 
WA_WLBWEXPREP_STR-AVGTIMUPD sy-vline 
WA_WLBWEXPREP_STR-NRRCRDUPD sy-vline 
WA_WLBWEXPREP_STR-AVRCRDUPD sy-vline 
WA_WLBWEXPREP_STR-NRCRDUPPH sy-vline 
WA_WLBWEXPREP_STR-TIMRDUPMS sy-vline 
WA_WLBWEXPREP_STR-TIMTARGET sy-vline 
WA_WLBWEXPREP_STR-TIMTARGT3 sy-vline 
WA_WLBWEXPREP_STR-PCTTIMTGT sy-vline 
WA_WLBWEXPREP_STR-AVGTIMTGT sy-vline 
WA_WLBWEXPREP_STR-NRRCRDTGT sy-vline 
WA_WLBWEXPREP_STR-AVRCRDTGT sy-vline 
WA_WLBWEXPREP_STR-NRCRDTGPH sy-vline 
WA_WLBWEXPREP_STR-TIMRDTGMS sy-vline 
WA_WLBWEXPREP_STR-LOGSYS sy-vline 
WA_WLBWEXPREP_STR-IPAKID sy-vline 
WA_WLBWEXPREP_STR-MANUAL sy-vline 
WA_WLBWEXPREP_STR-TFMETHOD sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.