ABAP Select data from SAP table RK40C_KBXXN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RK40C_KBXXN 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 RK40C_KBXXN. 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 RK40C_KBXXN 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_RK40C_KBXXN TYPE STANDARD TABLE OF RK40C_KBXXN,
      WA_RK40C_KBXXN TYPE RK40C_KBXXN,
      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: <RK40C_KBXXN> TYPE RK40C_KBXXN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RK40C_KBXXN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RK40C_KBXXN
  INTO TABLE IT_RK40C_KBXXN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RK40C_KBXXN
*  INTO TABLE @DATA(IT_RK40C_KBXXN2).
*--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_RK40C_KBXXN INDEX 1 INTO DATA(WA_RK40C_KBXXN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RK40C_KBXXN ASSIGNING <RK40C_KBXXN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RK40C_KBXXN>-ZLENR = 1.
<RK40C_KBXXN>-SKOSTL = 1.
<RK40C_KBXXN>-SLSTAR = 1.
<RK40C_KBXXN>-SAUFNR = 1.
<RK40C_KBXXN>-SBEMOT = 1.

ENDLOOP.

LOOP AT IT_RK40C_KBXXN INTO WA_RK40C_KBXXN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RK40C_KBXXN-SPRZNR, sy-vline,
  WA_RK40C_KBXXN-SPSPNR, sy-vline,
  WA_RK40C_KBXXN-SKDAUF, sy-vline,
  WA_RK40C_KBXXN-SKDPOS, sy-vline,
  WA_RK40C_KBXXN-SKSTRG, sy-vline,
  WA_RK40C_KBXXN-SNPLNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RK40C_KBXXN 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_RK40C_KBXXN 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_RK40C_KBXXN INTO WA_RK40C_KBXXN.


*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.

*Conversion exit ALPHA, internal->external for field SKOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SKOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SKOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SAUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SAUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SPRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SPRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SPRZNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field SPSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SPSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SPSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SKDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SKDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SKDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SNPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SNPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SNPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field SVORGN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SVORGN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SVORGN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SRECIND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SRECIND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SRECIND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SGRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SGRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SGRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SRSRCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SRSRCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SRSRCE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SSERVICE_DOC_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SSERVICE_DOC_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SSERVICE_DOC_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-KSTAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINB
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-MEINB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-MEINB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field TARIF
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-TARIF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-TARIF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field AUBEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-AUBEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-AUBEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WTGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-WTGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-WTGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WTFBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-WTFBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-WTFBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WKGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-WKGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-WKGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WKFBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-WKFBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-WKFBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WXGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-WXGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-WXGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EKOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EKOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EKOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EAUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EAUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EAUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EPRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EPRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EPRZNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field EPSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EPSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EPSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EKDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EKDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EKDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ENPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-ENPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-ENPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field EVORGN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EVORGN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EVORGN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field EMATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EMATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EMATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ESAUFN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-ESAUFN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-ESAUFN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EAUFHK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EAUFHK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EAUFHK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ERECIND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-ERECIND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-ERECIND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EGRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EGRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EGRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ERSRCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-ERSRCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-ERSRCE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ESERVICE_DOC_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-ESERVICE_DOC_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-ESERVICE_DOC_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMKEY, internal->external for field SIMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field SIMSWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMSWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMSWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGRNR, internal->external for field SIMSGRNR
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMSGRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMSGRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field SIMSGENR
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMSGENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMSGENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field SIMSMENR
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMSMENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMSMENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SIMSMIVE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMSMIVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMSMIVE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SIMSVWNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMSVWNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMSVWNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SIMSNKSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMSNKSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMSNKSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SIMSEMPSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMSEMPSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMSEMPSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SIMRECNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SIMRECNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SIMRECNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMKEY, internal->external for field EIMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field EIMSWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMSWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMSWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGRNR, internal->external for field EIMSGRNR
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMSGRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMSGRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field EIMSGENR
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMSGENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMSGENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field EIMSMENR
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMSMENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMSMENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EIMSMIVE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMSMIVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMSMIVE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EIMSVWNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMSVWNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMSVWNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EIMSNKSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMSNKSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMSNKSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EIMSEMPSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMSEMPSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMSEMPSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EIMRECNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EIMRECNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EIMRECNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SSEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SSEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SSEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ESEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-ESEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-ESEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SPPRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SPPRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SPPRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EPPRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EPPRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EPPRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EAUFNR_SA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EAUFNR_SA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EAUFNR_SA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit OBART, internal->external for field SOBART1
CALL FUNCTION 'CONVERSION_EXIT_OBART_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SOBART1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SOBART1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOBJT1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-SOBJT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-SOBJT1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit OBART, internal->external for field EOBART1
CALL FUNCTION 'CONVERSION_EXIT_OBART_OUTPUT'
  EXPORTING
    input =                      WA_RK40C_KBXXN-EOBART1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RK40C_KBXXN-EOBART1.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_RK40C_KBXXN_STR, 
ZLENR TYPE STRING,
SKOSTL TYPE STRING,
SLSTAR TYPE STRING,
SAUFNR TYPE STRING,
SBEMOT TYPE STRING,
SPRZNR TYPE STRING,
SPSPNR TYPE STRING,
SKDAUF TYPE STRING,
SKDPOS TYPE STRING,
SKSTRG TYPE STRING,
SNPLNR TYPE STRING,
SVORGN TYPE STRING,
SRECIND TYPE STRING,
SPAOBJ TYPE STRING,
SGEBER TYPE STRING,
SFKBER TYPE STRING,
SGRANT_NBR TYPE STRING,
SBUDGET_PD TYPE STRING,
SRSRCE TYPE STRING,
SSERVICE_DOC_TYPE TYPE STRING,
SSERVICE_DOC_ID TYPE STRING,
SSERVICE_DOC_ITEM_ID TYPE STRING,
KSTAR TYPE STRING,
STAGR TYPE STRING,
MBGBTR TYPE STRING,
MEINB TYPE STRING,
TARIF TYPE STRING,
WAERS TYPE STRING,
AUSBR TYPE STRING,
AUBEH TYPE STRING,
PERNR TYPE STRING,
FBUDA TYPE STRING,
SGTXT TYPE STRING,
WTGBTR TYPE STRING,
WTFBTR TYPE STRING,
WKGBTR TYPE STRING,
WKFBTR TYPE STRING,
WXGBTR TYPE STRING,
EKOSTL TYPE STRING,
ELSTAR TYPE STRING,
EAUFNR TYPE STRING,
EBEMOT TYPE STRING,
EPRZNR TYPE STRING,
EPSPNR TYPE STRING,
EKDAUF TYPE STRING,
EKDPOS TYPE STRING,
EKSTRG TYPE STRING,
ENPLNR TYPE STRING,
EVORGN TYPE STRING,
EPROCNR TYPE STRING,
EMATNR TYPE STRING,
EWERKS TYPE STRING,
ESAUFN TYPE STRING,
EVERID TYPE STRING,
EAUFHK TYPE STRING,
ERECIND TYPE STRING,
EPAOBJ TYPE STRING,
EGEBER TYPE STRING,
EFKBER TYPE STRING,
EGRANT_NBR TYPE STRING,
EBUDGET_PD TYPE STRING,
ERSRCE TYPE STRING,
ESERVICE_DOC_TYPE TYPE STRING,
ESERVICE_DOC_ID TYPE STRING,
ESERVICE_DOC_ITEM_ID TYPE STRING,
OVERTIMECAT TYPE STRING,
WORK_ITEM_ID TYPE STRING,
SIMKEY TYPE STRING,
SIMBUKRS TYPE STRING,
SIMSWENR TYPE STRING,
SIMSGRNR TYPE STRING,
SIMSGENR TYPE STRING,
SIMSMENR TYPE STRING,
SIMSMIVE TYPE STRING,
SIMSVWNR TYPE STRING,
SIMSNKSL TYPE STRING,
SIMSEMPSL TYPE STRING,
SIMDABRBEZ TYPE STRING,
SIMRECNNR TYPE STRING,
EIMKEY TYPE STRING,
EIMBUKRS TYPE STRING,
EIMSWENR TYPE STRING,
EIMSGRNR TYPE STRING,
EIMSGENR TYPE STRING,
EIMSMENR TYPE STRING,
EIMSMIVE TYPE STRING,
EIMSVWNR TYPE STRING,
EIMSNKSL TYPE STRING,
EIMSEMPSL TYPE STRING,
EIMDABRBEZ TYPE STRING,
EIMRECNNR TYPE STRING,
DUMMY_INCL_EEW_COBL TYPE STRING,
SSEGMENT TYPE STRING,
ESEGMENT TYPE STRING,
REFBZ TYPE STRING,
SPPRCTR TYPE STRING,
EPPRCTR TYPE STRING,
GRTYP TYPE STRING,
EAUFNR_SA TYPE STRING,
SOBART1 TYPE STRING,
SOBJT1 TYPE STRING,
EOBART1 TYPE STRING,
EOBJT1 TYPE STRING,
CHECKED TYPE STRING,
SPAOBJ_PUSH TYPE STRING,
EPAOBJ_PUSH TYPE STRING,
CKML_ALPROC_TEXT TYPE STRING,
ZLENR_DISP TYPE STRING,
X_EXT_PRICE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RK40C_KBXXN_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_RK40C_KBXXN_STR-ZLENR sy-vline 
WA_RK40C_KBXXN_STR-SKOSTL sy-vline 
WA_RK40C_KBXXN_STR-SLSTAR sy-vline 
WA_RK40C_KBXXN_STR-SAUFNR sy-vline 
WA_RK40C_KBXXN_STR-SBEMOT sy-vline 
WA_RK40C_KBXXN_STR-SPRZNR sy-vline 
WA_RK40C_KBXXN_STR-SPSPNR sy-vline 
WA_RK40C_KBXXN_STR-SKDAUF sy-vline 
WA_RK40C_KBXXN_STR-SKDPOS sy-vline 
WA_RK40C_KBXXN_STR-SKSTRG sy-vline 
WA_RK40C_KBXXN_STR-SNPLNR sy-vline 
WA_RK40C_KBXXN_STR-SVORGN sy-vline 
WA_RK40C_KBXXN_STR-SRECIND sy-vline 
WA_RK40C_KBXXN_STR-SPAOBJ sy-vline 
WA_RK40C_KBXXN_STR-SGEBER sy-vline 
WA_RK40C_KBXXN_STR-SFKBER sy-vline 
WA_RK40C_KBXXN_STR-SGRANT_NBR sy-vline 
WA_RK40C_KBXXN_STR-SBUDGET_PD sy-vline 
WA_RK40C_KBXXN_STR-SRSRCE sy-vline 
WA_RK40C_KBXXN_STR-SSERVICE_DOC_TYPE sy-vline 
WA_RK40C_KBXXN_STR-SSERVICE_DOC_ID sy-vline 
WA_RK40C_KBXXN_STR-SSERVICE_DOC_ITEM_ID sy-vline 
WA_RK40C_KBXXN_STR-KSTAR sy-vline 
WA_RK40C_KBXXN_STR-STAGR sy-vline 
WA_RK40C_KBXXN_STR-MBGBTR sy-vline 
WA_RK40C_KBXXN_STR-MEINB sy-vline 
WA_RK40C_KBXXN_STR-TARIF sy-vline 
WA_RK40C_KBXXN_STR-WAERS sy-vline 
WA_RK40C_KBXXN_STR-AUSBR sy-vline 
WA_RK40C_KBXXN_STR-AUBEH sy-vline 
WA_RK40C_KBXXN_STR-PERNR sy-vline 
WA_RK40C_KBXXN_STR-FBUDA sy-vline 
WA_RK40C_KBXXN_STR-SGTXT sy-vline 
WA_RK40C_KBXXN_STR-WTGBTR sy-vline 
WA_RK40C_KBXXN_STR-WTFBTR sy-vline 
WA_RK40C_KBXXN_STR-WKGBTR sy-vline 
WA_RK40C_KBXXN_STR-WKFBTR sy-vline 
WA_RK40C_KBXXN_STR-WXGBTR sy-vline 
WA_RK40C_KBXXN_STR-EKOSTL sy-vline 
WA_RK40C_KBXXN_STR-ELSTAR sy-vline 
WA_RK40C_KBXXN_STR-EAUFNR sy-vline 
WA_RK40C_KBXXN_STR-EBEMOT sy-vline 
WA_RK40C_KBXXN_STR-EPRZNR sy-vline 
WA_RK40C_KBXXN_STR-EPSPNR sy-vline 
WA_RK40C_KBXXN_STR-EKDAUF sy-vline 
WA_RK40C_KBXXN_STR-EKDPOS sy-vline 
WA_RK40C_KBXXN_STR-EKSTRG sy-vline 
WA_RK40C_KBXXN_STR-ENPLNR sy-vline 
WA_RK40C_KBXXN_STR-EVORGN sy-vline 
WA_RK40C_KBXXN_STR-EPROCNR sy-vline 
WA_RK40C_KBXXN_STR-EMATNR sy-vline 
WA_RK40C_KBXXN_STR-EWERKS sy-vline 
WA_RK40C_KBXXN_STR-ESAUFN sy-vline 
WA_RK40C_KBXXN_STR-EVERID sy-vline 
WA_RK40C_KBXXN_STR-EAUFHK sy-vline 
WA_RK40C_KBXXN_STR-ERECIND sy-vline 
WA_RK40C_KBXXN_STR-EPAOBJ sy-vline 
WA_RK40C_KBXXN_STR-EGEBER sy-vline 
WA_RK40C_KBXXN_STR-EFKBER sy-vline 
WA_RK40C_KBXXN_STR-EGRANT_NBR sy-vline 
WA_RK40C_KBXXN_STR-EBUDGET_PD sy-vline 
WA_RK40C_KBXXN_STR-ERSRCE sy-vline 
WA_RK40C_KBXXN_STR-ESERVICE_DOC_TYPE sy-vline 
WA_RK40C_KBXXN_STR-ESERVICE_DOC_ID sy-vline 
WA_RK40C_KBXXN_STR-ESERVICE_DOC_ITEM_ID sy-vline 
WA_RK40C_KBXXN_STR-OVERTIMECAT sy-vline 
WA_RK40C_KBXXN_STR-WORK_ITEM_ID sy-vline 
WA_RK40C_KBXXN_STR-SIMKEY sy-vline 
WA_RK40C_KBXXN_STR-SIMBUKRS sy-vline 
WA_RK40C_KBXXN_STR-SIMSWENR sy-vline 
WA_RK40C_KBXXN_STR-SIMSGRNR sy-vline 
WA_RK40C_KBXXN_STR-SIMSGENR sy-vline 
WA_RK40C_KBXXN_STR-SIMSMENR sy-vline 
WA_RK40C_KBXXN_STR-SIMSMIVE sy-vline 
WA_RK40C_KBXXN_STR-SIMSVWNR sy-vline 
WA_RK40C_KBXXN_STR-SIMSNKSL sy-vline 
WA_RK40C_KBXXN_STR-SIMSEMPSL sy-vline 
WA_RK40C_KBXXN_STR-SIMDABRBEZ sy-vline 
WA_RK40C_KBXXN_STR-SIMRECNNR sy-vline 
WA_RK40C_KBXXN_STR-EIMKEY sy-vline 
WA_RK40C_KBXXN_STR-EIMBUKRS sy-vline 
WA_RK40C_KBXXN_STR-EIMSWENR sy-vline 
WA_RK40C_KBXXN_STR-EIMSGRNR sy-vline 
WA_RK40C_KBXXN_STR-EIMSGENR sy-vline 
WA_RK40C_KBXXN_STR-EIMSMENR sy-vline 
WA_RK40C_KBXXN_STR-EIMSMIVE sy-vline 
WA_RK40C_KBXXN_STR-EIMSVWNR sy-vline 
WA_RK40C_KBXXN_STR-EIMSNKSL sy-vline 
WA_RK40C_KBXXN_STR-EIMSEMPSL sy-vline 
WA_RK40C_KBXXN_STR-EIMDABRBEZ sy-vline 
WA_RK40C_KBXXN_STR-EIMRECNNR sy-vline 
WA_RK40C_KBXXN_STR-DUMMY_INCL_EEW_COBL sy-vline 
WA_RK40C_KBXXN_STR-SSEGMENT sy-vline 
WA_RK40C_KBXXN_STR-ESEGMENT sy-vline 
WA_RK40C_KBXXN_STR-REFBZ sy-vline 
WA_RK40C_KBXXN_STR-SPPRCTR sy-vline 
WA_RK40C_KBXXN_STR-EPPRCTR sy-vline 
WA_RK40C_KBXXN_STR-GRTYP sy-vline 
WA_RK40C_KBXXN_STR-EAUFNR_SA sy-vline 
WA_RK40C_KBXXN_STR-SOBART1 sy-vline 
WA_RK40C_KBXXN_STR-SOBJT1 sy-vline 
WA_RK40C_KBXXN_STR-EOBART1 sy-vline 
WA_RK40C_KBXXN_STR-EOBJT1 sy-vline 
WA_RK40C_KBXXN_STR-CHECKED sy-vline 
WA_RK40C_KBXXN_STR-SPAOBJ_PUSH sy-vline 
WA_RK40C_KBXXN_STR-EPAOBJ_PUSH sy-vline 
WA_RK40C_KBXXN_STR-CKML_ALPROC_TEXT sy-vline 
WA_RK40C_KBXXN_STR-ZLENR_DISP sy-vline 
WA_RK40C_KBXXN_STR-X_EXT_PRICE sy-vline      INTO ld_text SEPARATED BY SPACE.

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