Code :
REPORT ZVP_TRAFFIC_LIGHT_PROGRAM.

TYPE-POOLS: SLIS.

TYPES: BEGIN OF TY_MARA,
         MATNR  TYPE MARA-MATNR,
         MTART  TYPE MARA-MTART,
         MATKL  TYPE MARA-MATKL,
         GROES  TYPE MARA-GROES,
         NTGEW  TYPE MARA-NTGEW,
         LIGHTS TYPE C,
       END OF TY_MARA.


DATA: IT_MARA   TYPE STANDARD TABLE OF TY_MARA,
      WA_MARA   TYPE TY_MARA,

      IT_FCAT   TYPE SLIS_T_FIELDCAT_ALV,
      WA_FCAT   TYPE SLIS_FIELDCAT_ALV,
      WA_LAYOUT TYPE SLIS_LAYOUT_ALV,

      LV_MATNR  TYPE MARA-MATNR.

SELECT-OPTIONS: S_MATNR FOR LV_MATNR.


SELECT MATNR
       MTART
       MATKL
       GROES
       NTGEW
  FROM MARA INTO TABLE IT_MARA WHERE MATNR IN S_MATNR.

PERFORM CALL_ALV.


CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
  EXPORTING
*   I_INTERFACE_CHECK  = ' '
*   I_BYPASSING_BUFFER = ' '
*   I_BUFFER_ACTIVE    = ' '
    I_CALLBACK_PROGRAM = SY-REPID
*   I_CALLBACK_PF_STATUS_SET          = ' '
*   I_CALLBACK_USER_COMMAND           = ' '
*   I_CALLBACK_TOP_OF_PAGE            = ' '
*   I_CALLBACK_HTML_TOP_OF_PAGE       = ' '
*   I_CALLBACK_HTML_END_OF_LIST       = ' '
*   I_STRUCTURE_NAME   =
*   I_BACKGROUND_ID    = ' '
*   I_GRID_TITLE       =
*   I_GRID_SETTINGS    =
    IS_LAYOUT          = WA_LAYOUT
    IT_FIELDCAT        = IT_FCAT
*   IT_EXCLUDING       =
*   IT_SPECIAL_GROUPS  =
*   IT_SORT            =
*   IT_FILTER          =
*   IS_SEL_HIDE        =
*   I_DEFAULT          = 'X'
*   I_SAVE             = ' '
*   IS_VARIANT         =
*   IT_EVENTS          =
*   IT_EVENT_EXIT      =
*   IS_PRINT           =
*   IS_REPREP_ID       =
*   I_SCREEN_START_COLUMN             = 0
*   I_SCREEN_START_LINE               = 0
*   I_SCREEN_END_COLUMN               = 0
*   I_SCREEN_END_LINE  = 0
*   I_HTML_HEIGHT_TOP  = 0
*   I_HTML_HEIGHT_END  = 0
*   IT_ALV_GRAPHICS    =
*   IT_HYPERLINK       =
*   IT_ADD_FIELDCAT    =
*   IT_EXCEPT_QINFO    =
*   IR_SALV_FULLSCREEN_ADAPTER        =
* IMPORTING
*   E_EXIT_CAUSED_BY_CALLER           =
*   ES_EXIT_CAUSED_BY_USER            =
  TABLES
    T_OUTTAB           = IT_MARA
* EXCEPTIONS
*   PROGRAM_ERROR      = 1
*   OTHERS             = 2
  .
IF SY-SUBRC <> 0.
* Implement suitable error handling here
ENDIF.

FORM CALL_ALV.

  LOOP AT IT_MARA INTO WA_MARA.
    IF
      WA_MARA-MATKL = 'XLCL'.
      WA_MARA-LIGHTS = 1.
    ELSEIF
      WA_MARA-MATKL = 'XLVL'.
      WA_MARA-LIGHTS = 2.
    ELSE.
      WA_MARA-LIGHTS = 3.
    ENDIF.
    MODIFY IT_MARA FROM WA_MARA TRANSPORTING LIGHTS.
    CLEAR WA_MARA.
  ENDLOOP.


  WA_FCAT-COL_POS = '1'.
  WA_FCAT-FIELDNAME = 'MATNR'.
  WA_FCAT-SELTEXT_M = 'MATERIAL NUMBER'.
  APPEND WA_FCAT TO IT_FCAT.
  CLEAR WA_FCAT.

  WA_FCAT-COL_POS = '2'.
  WA_FCAT-FIELDNAME = 'MTART'.
  WA_FCAT-SELTEXT_M = 'MTART'.
  APPEND WA_FCAT TO IT_FCAT.
  CLEAR WA_FCAT.

  WA_FCAT-COL_POS = '3'.
  WA_FCAT-FIELDNAME = 'MATKL'.
  WA_FCAT-SELTEXT_M = 'MATKL'.
  APPEND WA_FCAT TO IT_FCAT.
  CLEAR WA_FCAT.

  WA_FCAT-COL_POS = '4'.
  WA_FCAT-FIELDNAME = 'GROES'.
  WA_FCAT-SELTEXT_M = 'GROES'.
  APPEND WA_FCAT TO IT_FCAT.
  CLEAR WA_FCAT.

  WA_FCAT-COL_POS = '5'.
  WA_FCAT-FIELDNAME = 'NTGEW'.
  WA_FCAT-SELTEXT_M = 'NTGEW'.
  APPEND WA_FCAT TO IT_FCAT.
  CLEAR WA_FCAT.

  WA_LAYOUT-LIGHTS_FIELDNAME = 'LIGHTS'.
ENDFORM.

Output :


IDE Used To Test This Code : ABAP Editor.

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