ALV Grid Interactive with a Button

Here is an ALD grid report where we can select one or multiple rows of PO on the basic list and then click on a button on Application toolbar. The program will display all the selected PO's item details on the second list.

*&---------------------------------------------------------------------*
*& Report ZSR_TEST
*&
*&---------------------------------------------------------------------*
*&
*&
*&---------------------------------------------------------------------*

REPORT zsr_test.

TABLES: ekko, ekpo.
TYPE-POOLS: slis.

TYPES: BEGIN OF ty_ekko,
ebeln TYPE ekko-ebeln,
bukrs TYPE ekko-bukrs,
lifnr TYPE ekko-lifnr,
END OF ty_ekko,

BEGIN OF ty_out_ekko,
sel,
ebeln TYPE ekko-ebeln,
bukrs TYPE ekko-bukrs,
lifnr TYPE ekko-lifnr,
END OF ty_out_ekko,

BEGIN OF ty_ekpo,
ebeln TYPE ekpo-ebeln,
ebelp TYPE ekpo-ebelp,
matnr TYPE ekpo-matnr,
werks TYPE ekpo-werks,
lgort TYPE ekpo-lgort,
menge TYPE ekpo-menge,
meins TYPE ekpo-meins,
END OF ty_ekpo,

BEGIN OF ty_out_ekpo,
sel,
ebeln TYPE ekko-ebeln,
ebelp TYPE ekpo-ebelp,
matnr TYPE ekpo-matnr,
werks TYPE ekpo-werks,
lgort TYPE ekpo-lgort,
menge TYPE ekpo-menge,
meins TYPE ekpo-meins,
END OF ty_out_ekpo,

BEGIN OF ty_ebeln,
ebeln TYPE ekpo-ebeln,
END OF ty_ebeln.

DATA: wa_ekko TYPE ty_ekko,
wa_ekpo TYPE ty_ekpo,
it_ekko TYPE STANDARD TABLE OF ty_ekko,
it_ekpo TYPE STANDARD TABLE OF ty_ekpo,

wa_out_ekko TYPE ty_out_ekko,
wa_out_ekpo TYPE ty_out_ekpo,
wa_ebeln TYPE ty_ebeln,
it_out_ekko TYPE STANDARD TABLE OF ty_out_ekko,
it_out_ekpo TYPE STANDARD TABLE OF ty_out_ekpo,
it_ebeln TYPE STANDARD TABLE OF ty_ebeln,

wa_fcat_ekko TYPE slis_fieldcat_alv,
wa_fcat_ekpo TYPE slis_fieldcat_alv,
it_fcat_ekko TYPE slis_t_fieldcat_alv,
it_fcat_ekpo TYPE slis_t_fieldcat_alv,

wa_layout TYPE slis_layout_alv,

wa_top_ekko TYPE slis_listheader,
wa_top_ekpo TYPE slis_listheader,
it_top_ekko TYPE slis_t_listheader,
it_top_ekpo TYPE slis_t_listheader,

wa_event TYPE slis_alv_event,
wa_event_ekpo TYPE slis_alv_event,
it_event TYPE slis_t_event,
it_event_ekpo TYPE slis_t_event,

r_ucomm TYPE sy-ucomm,
rs_selfield TYPE slis_selfield,
v_selfield TYPE slis_selfield-value,
v_ebeln TYPE ekko-ebeln,
v_prog TYPE sy-repid,
v_name TYPE sy-uname.

INITIALIZATION.
v_prog = sy-repid.
v_name = sy-uname.

SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-001.
SELECT-OPTIONS s_ebeln FOR ekko-ebeln OBLIGATORY.
SELECTION-SCREEN END OF BLOCK b1.

START-OF-SELECTION.
PERFORM get_ekko.
PERFORM fieldcat_ekko.
PERFORM layout.
PERFORM event_ekko.
PERFORM grid_ekko.
PERFORM ucomm_ekko USING r_ucomm
CHANGING rs_selfield.

*&---------------------------------------------------------------------*
*& Form GET_EKKO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM get_ekko .

REFRESH it_ekko.
SELECT ebeln bukrs lifnr
FROM ekko INTO TABLE it_ekko
WHERE ebeln IN s_ebeln.

IF sy-subrc = 0.
SORT it_ekko BY ebeln.
REFRESH it_out_ekko.

LOOP AT it_ekko INTO wa_ekko.
wa_out_ekko-ebeln = wa_ekko-ebeln.
wa_out_ekko-bukrs = wa_ekko-bukrs.
wa_out_ekko-lifnr = wa_ekko-lifnr.
APPEND wa_out_ekko TO it_out_ekko.
CLEAR: wa_out_ekko, wa_ekko.
ENDLOOP.

ELSE.
MESSAGE 'Purchase Order doesn''t exist' TYPE 'I'.
ENDIF.

ENDFORM. " GET_EKKO
*&---------------------------------------------------------------------*
*& Form FIELDCAT_EKKO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM fieldcat_ekko .

CLEAR wa_fcat_ekko.
REFRESH it_fcat_ekko.

IF it_out_ekko IS NOT INITIAL.
DATA lv_col TYPE i VALUE 0.

lv_col = 1 + lv_col.
wa_fcat_ekko-col_pos = lv_col.
wa_fcat_ekko-fieldname = 'EBELN'.
wa_fcat_ekko-tabname = 'IT_OUT_EKKO'.
wa_fcat_ekko-seltext_l = 'Purchase Order'.
APPEND wa_fcat_ekko TO it_fcat_ekko.
CLEAR wa_fcat_ekko.

lv_col = 1 + lv_col.
wa_fcat_ekko-col_pos = lv_col.
wa_fcat_ekko-fieldname = 'BUKRS'.
wa_fcat_ekko-tabname = 'IT_OUT_EKKO'.
wa_fcat_ekko-seltext_l = 'Company Code'.
APPEND wa_fcat_ekko TO it_fcat_ekko.
CLEAR wa_fcat_ekko.

lv_col = 1 + lv_col.
wa_fcat_ekko-col_pos = lv_col.
wa_fcat_ekko-fieldname = 'LIFNR'.
wa_fcat_ekko-tabname = 'IT_OUT_EKKO'.
wa_fcat_ekko-seltext_l = 'Vendor'.
APPEND wa_fcat_ekko TO it_fcat_ekko.
CLEAR wa_fcat_ekko.
ENDIF.

ENDFORM. " FIELDCAT_EKKO
*&---------------------------------------------------------------------*
*& Form LAYOUT
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM layout .

wa_layout-zebra = 'X'.
wa_layout-colwidth_optimize = 'X'.
wa_layout-box_fieldname = 'SEL'.

ENDFORM. " LAYOUT
*&---------------------------------------------------------------------*
*& Form EVENT_EKKO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM event_ekko .

REFRESH it_event.

CALL FUNCTION 'REUSE_ALV_EVENTS_GET'
* EXPORTING
* I_LIST_TYPE = 0
IMPORTING
et_events = it_event
EXCEPTIONS
list_type_wrong = 1
OTHERS = 2.

IF it_event IS NOT INITIAL.
CLEAR wa_event.
READ TABLE it_event INTO wa_event
WITH KEY name = 'USER_COMMAND'.

IF sy-subrc = 0.
wa_event-form = 'UCOMM_EKKO'.
MODIFY it_event FROM wa_event
INDEX sy-tabix TRANSPORTING form.
ENDIF.
ENDIF.

ENDFORM. " EVENT_EKKO
*&---------------------------------------------------------------------*
*& Form GRID_EKKO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM grid_ekko .

IF it_out_ekko IS NOT INITIAL
AND it_fcat_ekko IS NOT INITIAL.

CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
* I_INTERFACE_CHECK = ' '
* I_BYPASSING_BUFFER = ' '
* I_BUFFER_ACTIVE = ' '
i_callback_program = v_prog
i_callback_pf_status_set = 'PF_STATUS'
i_callback_user_command = 'UCOMM_EKKO'
i_callback_top_of_page = 'TOP_EKKO'
* 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_ekko
* IT_EXCLUDING =
* IT_SPECIAL_GROUPS =
* IT_SORT =
* IT_FILTER =
* IS_SEL_HIDE =
* I_DEFAULT = 'X'
* I_SAVE = ' '
* IS_VARIANT =
it_events = it_event
* 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_out_ekko
EXCEPTIONS
program_error = 1
OTHERS = 2.
ENDIF.

ENDFORM. " GRID_EKKO

*&---------------------------------------------------------------------*
*& Form pf_status
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
FORM pf_status USING ut_extab TYPE slis_t_extab.
SET PF-STATUS 'PF_EKKO'.
ENDFORM. "pf_status

*&---------------------------------------------------------------------*
*& Form top_ekko
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
FORM top_ekko.

CLEAR wa_top_ekko.
REFRESH it_top_ekko.

DATA date TYPE char12.

CALL FUNCTION 'CONVERT_DATE_TO_EXTERNAL'
EXPORTING
date_internal = sy-datum
IMPORTING
date_external = date
EXCEPTIONS
date_internal_is_invalid = 1
OTHERS = 2.

wa_top_ekko-typ = 'H'.
wa_top_ekko-info = 'Purchase Order Header'.
APPEND wa_top_ekko TO it_top_ekko.
CLEAR wa_top_ekko.

wa_top_ekko-typ = 'S'.
wa_top_ekko-info = 'Report: '.
CONCATENATE wa_top_ekko-info v_prog
INTO wa_top_ekko-info.
APPEND wa_top_ekko TO it_top_ekko.
CLEAR wa_top_ekko.

wa_top_ekko-typ = 'S'.
wa_top_ekko-info = 'User Name: '.
CONCATENATE wa_top_ekko-info v_name
INTO wa_top_ekko-info.
APPEND wa_top_ekko TO it_top_ekko.
CLEAR wa_top_ekko.

wa_top_ekko-typ = 'S'.
wa_top_ekko-info = 'Date: '.
CONCATENATE wa_top_ekko-info date
INTO wa_top_ekko-info.
APPEND wa_top_ekko TO it_top_ekko.
CLEAR wa_top_ekko.

CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
EXPORTING
it_list_commentary = it_top_ekko
* I_LOGO =
* I_END_OF_LIST_GRID =
* I_ALV_FORM =
.

ENDFORM. "top_ekko
*&---------------------------------------------------------------------*
*& Form UCOMM_EKKO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* -->P_R_UCOMM text
* <--P_RS_SELFIELD text
*----------------------------------------------------------------------*
FORM ucomm_ekko USING r_ucomm_ekko TYPE sy-ucomm
CHANGING rs_selfield_ekko TYPE slis_selfield.

CASE r_ucomm_ekko.
WHEN 'DISP'.
REFRESH: it_out_ekpo, it_ebeln.
LOOP AT it_out_ekko INTO wa_out_ekko
WHERE sel = 'X'.

wa_ebeln-ebeln = wa_out_ekko-ebeln.
APPEND wa_ebeln TO it_ebeln.
CLEAR wa_ebeln.
ENDLOOP.

PERFORM get_ekpo.
PERFORM fieldcat_ekpo.
PERFORM layout.
PERFORM grid_ekpo.

WHEN 'BACK' OR 'EXIT' OR 'CANCEL' OR 'E'.
REFRESH it_out_ekko.
LEAVE TO SCREEN 0.
ENDCASE.

ENDFORM. " UCOMM_EKKO
*&---------------------------------------------------------------------*
*& Form GET_EKPO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM get_ekpo .

IF it_ebeln IS NOT INITIAL.
REFRESH it_ekpo.

SELECT ebeln ebelp matnr werks
lgort menge meins
FROM ekpo INTO TABLE it_ekpo
FOR ALL ENTRIES IN it_ebeln
WHERE ebeln = it_ebeln-ebeln.

IF sy-subrc = 0.
SORT it_ekpo BY ebeln.

LOOP AT it_ekpo INTO wa_ekpo.
AT NEW ebeln.
wa_out_ekpo-ebeln = wa_ekpo-ebeln.
ENDAT.
wa_out_ekpo-ebelp = wa_ekpo-ebelp.
wa_out_ekpo-matnr = wa_ekpo-matnr.
wa_out_ekpo-werks = wa_ekpo-werks.
wa_out_ekpo-lgort = wa_ekpo-lgort.
wa_out_ekpo-menge = wa_ekpo-menge.
wa_out_ekpo-meins = wa_ekpo-meins.
APPEND wa_out_ekpo TO it_out_ekpo.
CLEAR: wa_out_ekpo, wa_ekpo.
ENDLOOP.
ENDIF.
ENDIF.

ENDFORM. " GET_EKPO
*&---------------------------------------------------------------------*
*& Form FIELDCAT_EKPO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM fieldcat_ekpo .

CLEAR wa_fcat_ekpo.
REFRESH it_fcat_ekpo.

IF it_out_ekpo IS NOT INITIAL.
DATA lv_col TYPE i VALUE 0.

lv_col = 1 + lv_col.
wa_fcat_ekpo-col_pos = lv_col.
wa_fcat_ekpo-fieldname = 'EBELN'.
wa_fcat_ekpo-tabname = 'IT_OUT_EKPO'.
wa_fcat_ekpo-seltext_l = 'Purchase Order'.
APPEND wa_fcat_ekpo TO it_fcat_ekpo.
CLEAR wa_fcat_ekpo.

lv_col = 1 + lv_col.
wa_fcat_ekpo-col_pos = lv_col.
wa_fcat_ekpo-fieldname = 'EBELP'.
wa_fcat_ekpo-tabname = 'IT_OUT_EKPO'.
wa_fcat_ekpo-seltext_l = 'PO Item'.
APPEND wa_fcat_ekpo TO it_fcat_ekpo.
CLEAR wa_fcat_ekpo.

lv_col = 1 + lv_col.
wa_fcat_ekpo-col_pos = lv_col.
wa_fcat_ekpo-fieldname = 'MATNR'.
wa_fcat_ekpo-tabname = 'IT_OUT_EKPO'.
wa_fcat_ekpo-seltext_l = 'Material'.
APPEND wa_fcat_ekpo TO it_fcat_ekpo.
CLEAR wa_fcat_ekpo.

lv_col = 1 + lv_col.
wa_fcat_ekpo-col_pos = lv_col.
wa_fcat_ekpo-fieldname = 'WERKS'.
wa_fcat_ekpo-tabname = 'IT_OUT_EKPO'.
wa_fcat_ekpo-seltext_l = 'Plant'.
APPEND wa_fcat_ekpo TO it_fcat_ekpo.
CLEAR wa_fcat_ekpo.

lv_col = 1 + lv_col.
wa_fcat_ekpo-col_pos = lv_col.
wa_fcat_ekpo-fieldname = 'LGORT'.
wa_fcat_ekpo-tabname = 'IT_OUT_EKPO'.
wa_fcat_ekpo-seltext_l = 'Storage Location'.
APPEND wa_fcat_ekpo TO it_fcat_ekpo.
CLEAR wa_fcat_ekpo.

lv_col = 1 + lv_col.
wa_fcat_ekpo-col_pos = lv_col.
wa_fcat_ekpo-fieldname = 'MENGE'.
wa_fcat_ekpo-tabname = 'IT_OUT_EKPO'.
wa_fcat_ekpo-seltext_l = 'Quantity'.
APPEND wa_fcat_ekpo TO it_fcat_ekpo.
CLEAR wa_fcat_ekpo.

lv_col = 1 + lv_col.
wa_fcat_ekpo-col_pos = lv_col.
wa_fcat_ekpo-fieldname = 'MEINS'.
wa_fcat_ekpo-tabname = 'IT_OUT_EKPO'.
wa_fcat_ekpo-seltext_l = 'Unit'.
APPEND wa_fcat_ekpo TO it_fcat_ekpo.
CLEAR wa_fcat_ekpo.
ENDIF.

ENDFORM. " FIELDCAT_EKPO
*&---------------------------------------------------------------------*
*& Form GRID_EKPO
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM grid_ekpo .

IF it_out_ekpo IS NOT INITIAL
AND it_fcat_ekpo IS NOT INITIAL.

CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
* I_INTERFACE_CHECK = ' '
* I_BYPASSING_BUFFER = ' '
* I_BUFFER_ACTIVE = ' '
i_callback_program = v_prog
* I_CALLBACK_PF_STATUS_SET = ' '
* I_CALLBACK_USER_COMMAND = ' '
i_callback_top_of_page = 'TOP_EKPO'
* 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_ekpo
* 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_out_ekpo
EXCEPTIONS
program_error = 1
OTHERS = 2.
ENDIF.

ENDFORM. " GRID_EKPO
*&---------------------------------------------------------------------*
*& Form top_ekpo
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
FORM top_ekpo.

CLEAR wa_top_ekpo.
REFRESH it_top_ekpo.

wa_top_ekpo-typ = 'H'.
wa_top_ekpo-info = 'Purchase Order Item Display'.
APPEND wa_top_ekpo TO it_top_ekpo.
CLEAR wa_top_ekpo.

CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
EXPORTING
it_list_commentary = it_top_ekpo
* I_LOGO =
* I_END_OF_LIST_GRID =
* I_ALV_FORM =
.

ENDFORM. "top_ekpo

The Output is as follows:

Selection Screen: