The ALV Layout feature in SAP ABAP enables users to customize the appearance of their ALV reports. One of the helpful functions that can be included in an ALV layout is the ability to hide column header text for specific columns.
To incorporate this function, users must first define the ALV layout in the ABAP Dictionary by creating a layout object with the required fields and screen elements to display the ALV report. Within this layout object, users can define which columns will be included in the report and how they will be displayed.
Once the ALV layout is defined, users can set the 'no_text' property for specific columns to hide the header text. This can be done using the 'set_column_optimize' method of the ALV object. By setting the 'no_text' parameter to 'X', the column header text will be hidden from the report.
This function can be particularly useful when dealing with large or complex reports, as it allows users to focus on the data within the columns without distraction from the header text. Additionally, it can be used to save space and reduce clutter in the report, leading to a more efficient and effective user experience.
Sample Report for Reference -
REPORT ZAVI_FEVER1.
TYPE-POOLS: SLIS.
TYPES: BEGIN OF ST_MAKT,
MATNR TYPE MATNR,
SPRAS TYPE SPRAS,
MAKTX TYPE MAKTX,
END OF ST_MAKT.
DATA: IT_MAKT TYPE STANDARD TABLE OF ST_MAKT,
WA_MAKT TYPE ST_MAKT.
TYPES: BEGIN OF ST_FINAL,
CHECK(1),
MATNR TYPE MATNR,
SPRAS TYPE SPRAS,
MAKTX TYPE MAKTX,
END OF ST_FINAL.
DATA: IT_FINAL TYPE STANDARD TABLE OF ST_FINAL,
WA_FINAL TYPE ST_FINAL.
DATA: IT_FCAT TYPE SLIS_T_FIELDCAT_ALV,
WA_FCAT TYPE SLIS_FIELDCAT_ALV.
DATA: WA_LAYOUT TYPE SLIS_LAYOUT_ALV.
START-OF-SELECTION.
SELECT MATNR
SPRAS
MAKTX
FROM MAKT INTO TABLE IT_MAKT WHERE SPRAS = SY-LANGU.
IF SY-SUBRC = 0.
SORT IT_MAKT BY MATNR.
ENDIF.
END-OF-SELECTION.
LOOP AT IT_MAKT INTO WA_MAKT.
WA_FINAL-MATNR = WA_MAKT-MATNR.
WA_FINAL-SPRAS = WA_MAKT-SPRAS.
WA_FINAL-MAKTX = WA_MAKT-MAKTX.
APPEND WA_FINAL TO IT_FINAL.
CLEAR: WA_FINAL,WA_MAKT.
ENDLOOP.
IF R1 = 'X'.
WA_FCAT-COL_POS = '1'.
WA_FCAT-TABNAME = 'IT_FINAL'.
WA_FCAT-FIELDNAME = 'CHECK'.
WA_FCAT-CHECKBOX = 'X'.
WA_FCAT-EDIT = 'X'.
WA_FCAT-SELTEXT_M = 'CHECKBOX'.
WA_FCAT-INPUT = 'X'.
APPEND WA_FCAT TO IT_FCAT.
CLEAR WA_FCAT.
WA_FCAT-COL_POS = '2'.
WA_FCAT-TABNAME = 'IT_FINAL'.
WA_FCAT-FIELDNAME = 'MATNR'.
WA_FCAT-INPUT = 'X'.
WA_FCAT-SELTEXT_M = 'MATERIAL NUMBER'.
WA_LAYOUT-ZEBRA = 'X'.
WA_LAYOUT-NO_COLHEAD = 'X'.
APPEND WA_FCAT TO IT_FCAT.
CLEAR WA_FCAT.
WA_FCAT-COL_POS = '3'.
WA_FCAT-TABNAME = 'IT_FINAL'.
WA_FCAT-FIELDNAME = 'SPRAS'.
WA_FCAT-INPUT = 'X'.
WA_FCAT-SELTEXT_M = 'LANGUAGE'.
APPEND WA_FCAT TO IT_FCAT.
CLEAR WA_FCAT.
WA_FCAT-COL_POS = '4'.
WA_FCAT-TABNAME = 'IT_FINAL'.
WA_FCAT-FIELDNAME = 'MAKTX'.
WA_FCAT-SELTEXT_M = 'MTERIAL DESCRIPTION'.
APPEND WA_FCAT TO IT_FCAT.
CLEAR WA_FCAT.
CALL FUNCTION 'REUSE_ALV_LIST_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_STRUCTURE_NAME =
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
* IR_SALV_LIST_ADAPTER =
* IT_EXCEPT_QINFO =
* I_SUPPRESS_EMPTY_DATA = ABAP_FALSE
* IMPORTING
* E_EXIT_CAUSED_BY_CALLER =
* ES_EXIT_CAUSED_BY_USER =
TABLES
t_outtab = IT_FINAL
EXCEPTIONS
PROGRAM_ERROR = 1
OTHERS = 2
.
IF sy-subrc <> 0.
* Implement suitable error handling here
ENDIF.
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