Hi
EVENTS will trigger based on the action what you do
you can write the EVENTS blocks in any order but they trigger only when coresponding actions triggers
see this example code where i writing t he events in diffrent order like initialization at last but then also it triggers initialization 1st
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*& Report ZNNR_REPORT
*&
&----
*&
*&
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REPORT ZNNR_REPORT NO STANDARD PAGE HEADING MESSAGE-ID ZNNR LINE-SIZE 100 LINE-COUNT 65(4).
******DATA DECLARATIONS**********
DATA : BEGIN OF IT_PLANT OCCURS 0,
MATNR LIKE MARA-MATNR,
WERKS LIKE MARC-WERKS,
PSTAT LIKE MARC-PSTAT,
EKGRP LIKE MARC-EKGRP,
END OF IT_PLANT.
DATA : BEGIN OF IT_PONO OCCURS 0,
EBELN LIKE EKKO-EBELN,
EBELP LIKE EKPO-EBELP,
MATNR LIKE EKPO-MATNR,
WERKS LIKE EKPO-WERKS,
LGORT LIKE EKPO-LGORT,
END OF IT_PONO.
TABLES EKKO.
********END OF DATA DECLARATIONS*********
********SELECTION SCREEN DESIGN ***********
SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
PARAMETER : P_WERKS LIKE MARC-WERKS MODIF ID S1.
SELECT-OPTIONS : S_EBELN FOR EKKO-EBELN NO INTERVALS MODIF ID S2.
SELECTION-SCREEN END OF BLOCK B1.
SELECTION-SCREEN BEGIN OF BLOCK B2 WITH FRAME TITLE TEXT-004.
SELECTION-SCREEN BEGIN OF LINE.
PARAMETERS : R1 RADIOBUTTON GROUP G1 DEFAULT 'X'.
SELECTION-SCREEN COMMENT 5(20) TEXT-002 FOR FIELD R1.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN BEGIN OF LINE.
PARAMETERS : R2 RADIOBUTTON GROUP G1.
SELECTION-SCREEN COMMENT 5(20) TEXT-003 FOR FIELD R2.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN END OF BLOCK B2.
******END OF SELECTION SCREEN DESIGN****************
***********SCREEN MODIFICATIONS*******************
AT SELECTION-SCREEN OUTPUT.
LOOP AT SCREEN.
IF R1 EQ 'X' AND SCREEN-GROUP1 EQ 'S2'.
SCREEN-INPUT = 0.
MODIFY SCREEN.
ENDIF.
IF R2 EQ 'X' AND SCREEN-GROUP1 EQ 'S1'.
SCREEN-INPUT = 0.
MODIFY SCREEN.
ENDIF.
ENDLOOP.
********END OF SCREEN MODIFICATIONS*****************
***************SCREEN VALIDATIONS *****************
at selection-screen.
SELECT SINGLE *
FROM EKKO
INTO EKKO
WHERE EBELN IN S_EBELN.
IF SY-SUBRC <> 0.
SET CURSOR FIELD 'S_EBELN-LOW'.
MESSAGE E999 WITH TEXT-005.
ENDIF.
********end of screen validation*****************
START-OF-SELECTION.
*set pf-status '100'.
IF R1 EQ 'X'.
SELECT MATNR
WERKS
PSTAT
EKGRP
FROM MARC
INTO TABLE IT_PLANT
WHERE WERKS = P_WERKS.
LOOP AT IT_PLANT.
WRITE : SY-VLINE , 2 IT_PLANT-MATNR COLOR COL_KEY,
21 SY-VLINE , 22 IT_PLANT-WERKS COLOR COL_KEY,
27 SY-VLINE ,28 IT_PLANT-PSTAT COLOR COL_NORMAL,
43 SY-VLINE ,44 IT_PLANT-EKGRP COLOR COL_NORMAL.
ENDLOOP.
ENDIF.
IF R2 EQ 'X'.
SELECT EBELN EBELP MATNR WERKS LGORT
FROM EKPO
INTO TABLE IT_PONO
WHERE EBELN IN S_EBELN.
LOOP AT IT_PONO.
WRITE : SY-VLINE , 2 IT_PONO-EBELN COLOR COL_KEY,
12 SY-VLINE , 13 IT_PONO-EBELP COLOR COL_KEY,
18 SY-VLINE , 19 IT_PONO-MATNR COLOR COL_NORMAL,
37 SY-VLINE , 38 IT_PONO-WERKS COLOR COL_NORMAL,
44 SY-VLINE , 45 IT_PONO-LGORT COLOR COL_NORMAL, 49 SY-VLINE..
ENDLOOP.
ENDIF.
TOP-OF-PAGE.
IF R1 EQ 'X'.
*ULINE AT /1(48).
WRITE : SY-VLINE ,2 'MATERIAL NUMBER',
21 SY-VLINE , 22 'PLANT',
27 SY-VLINE , 28 'STATUS',
43 SY-VLINE , 44 'GRUP', 48 SY-VLINE.
ULINE AT /1(48).
ENDIF.
IF R2 EQ 'X'.
WRITE : SY-VLINE , 2 'PO NUMBER',
12 SY-VLINE, 13 'ITEM',
18 SY-VLINE,19 'MATERIAL NUMBER',
37 SY-VLINE, 38 'PLANT',
44 SY-VLINE, 45 'GRUP',
49 SY-VLINE.
ULINE AT /1(50).
ENDIF.
END-OF-PAGE.
ULINE AT /1(50).
WRITE :/10 'PAGE NUMBER', SY-PAGNO.
*********INITIALIZATION OF SELECTION SCREEN ELEMENTS.*****
INITIALIZATION.
P_WERKS = '1000'.
S_EBELN-LOW = '4500016926'.
S_EBELN-OPTION = 'EQ'.
S_EBELN-SIGN = 'I'.
APPEND S_EBELN.
CLEAR S_EBELN.
************END OF INITIALIZATION***********************
Bluesky
