Create, Update, Delete, Read Using Container in Screen Painter

first things first,  you need to create the screen, and on that screen make container with name 'CONT_1'.

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******************************* DATA: g_container TYPE scrfname VALUE 'CONT_1', grid1 TYPE REF TO cl_gui_alv_grid, g_custom_container TYPE REF TO cl_gui_custom_container. ******************************* MODULE user_command_0400 INPUT. CASE sy-ucomm. WHEN 'CHANGE'. SET PF-STATUS 'ALV1'. WHEN 'SAVE'. * Lock the table CALL FUNCTION 'ENQUEUE_E_TABLE' EXPORTING mode_rstable = 'E' tabname = 'ZTBFI0020' "viewname EXCEPTIONS foreign_lock = 1 system_failure = 2 OTHERS = 3. IF sy-subrc <> 0. MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4. ENDIF. IF NOT grid1 IS INITIAL . CALL METHOD grid1->check_changed_data . ENDIF . SORT i_mod BY row. DELETE ADJACENT DUPLICATES FROM i_mod COMPARING row. lh_norec = LINES( i_mod ). lh_total = lh_norec. SHIFT lh_total LEFT DELETING LEADING space. * Standard Table Update IF i_mod[] IS NOT INITIAL. LOOP AT i_mod INTO lwa_mod. READ TABLE <i_itab> INTO <wa_tab> INDEX lwa_mod-row. IF sy-subrc = 0 . IF lh_flag NE 'X'. ASSIGN COMPONENT 'TBLTYPE' OF STRUCTURE <wa_tab> to <ttype>. IF <ttype> is ASSIGNED. <ttype> = '1'. ENDIF. MODIFY ZTBFI0020 FROM <wa_tab>. * MODIFY (viewname) FROM <wa_tab>. ELSE. ASSIGN COMPONENT 'TBLTYPE' OF STRUCTURE <wa_tab> to <ttype>. IF <ttype> is ASSIGNED. <ttype> = '1'. ENDIF. INSERT ZTBFI0020 FROM <wa_tab>. * INSERT (viewname) FROM <wa_tab>. IF sy-subrc NE 0. * MESSAGE e009. ENDIF. ENDIF. ENDIF. ENDLOOP. CONCATENATE lh_total ' ' text-s01 INTO lh_succ SEPARATED BY space. * MESSAGE i000 WITH lh_succ. MESSAGE text-001 type 'S'. ELSE. * MESSAGE i000 WITH text-s02. MESSAGE text-002 type 'S'. ENDIF. * Unlock the table CALL FUNCTION 'DEQUEUE_E_TABLE' EXPORTING mode_rstable = 'E' tabname = 'ZTBFI0020' ."viewname. CLEAR : i_mod[], lh_flag. WHEN 'DELETE'. * Selecting Selected Rows PERFORM handle_user_command USING sy-ucomm. IF i_del[] IS NOT INITIAL. LOOP AT i_del INTO lwa_del. READ TABLE <i_itab> INTO <wa_tab> INDEX lwa_del-row. IF sy-subrc = 0. DELETE ZTBFI0020 FROM <wa_tab>. * DELETE (viewname) FROM <wa_tab>. ENDIF. ENDLOOP. lh_totdel = LINES( i_del ). * MESSAGE i011 WITH lh_totdel. MESSAGE text-003 type 'S'. CLEAR : i_del[], lh_totdel . ELSE. * MESSAGE i000 WITH text-s03. MESSAGE text-002 type 'S'. ENDIF. WHEN 'EXIT' OR '&F03' or '&F04' or '&F05' or 'BACK' OR 'CANCEL'. CLEAR : li_fieldcat[], i_exclude[], i_del[], lh_totdel. LEAVE TO SCREEN 0. ENDCASE. ENDMODULE. " USER_COMMAND_0400 INPUT *&---------------------------------------------------------------------* *& Module STATUS_0400 OUTPUT *&---------------------------------------------------------------------* * text *----------------------------------------------------------------------* MODULE status_0400 OUTPUT. SET PF-STATUS 'STATUS_TABL'. SET TITLEBAR 'Entry Value Pengukuran Kembali'. *DATA : * gr_event_handler TYPE REF TO lcl_event_handler . * Creating an instance for the event handler CREATE OBJECT gr_event_handler . TRY. * CREATE DATA i_table TYPE ZTBFI0020. CREATE DATA i_table TYPE TABLE OF ('ZTBFI0020'). ASSIGN i_table->* TO <i_itab>. CREATE DATA wa_all LIKE LINE OF <i_itab>. ASSIGN wa_all->* TO <wa_tab>. * Selecting data dynamically SELECT * FROM ZTBFI0020 INTO TABLE <i_itab> WHERE TBLTYPE eq '1'. * SELECT * FROM (viewname) INTO TABLE <i_itab>. * Building the fieldcatelog CALL FUNCTION 'LVC_FIELDCATALOG_MERGE' EXPORTING i_structure_name = 'ZTBFI0020' " viewname CHANGING ct_fieldcat = li_fieldcat EXCEPTIONS inconsistent_interface = 1 program_error = 2 OTHERS = 3. IF sy-subrc <> 0. MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4. ELSE. READ TABLE li_fieldcat INTO lwa_fieldcat WITH KEY fieldname = 'MONAT'. IF sy-subrc eq 0. lwa_fieldcat-OUTPUTLEN = '6'. MODIFY li_fieldcat FROM lwa_fieldcat INDEX sy-tabix TRANSPORTING OUTPUTLEN. ENDIF. READ TABLE li_fieldcat INTO lwa_fieldcat WITH KEY fieldname = 'TBLTYPE'. IF sy-subrc eq 0. lwa_fieldcat-tech = 'X'. MODIFY li_fieldcat FROM lwa_fieldcat INDEX sy-tabix TRANSPORTING tech. ENDIF. CLEAR lwa_fieldcat. READ TABLE li_fieldcat INTO lwa_fieldcat WITH KEY fieldname = 'ZNUMC'. IF sy-subrc eq 0. lwa_fieldcat-col_pos = '3'. lwa_fieldcat-OUTPUTLEN = '6'. MODIFY li_fieldcat FROM lwa_fieldcat INDEX sy-tabix TRANSPORTING col_pos OUTPUTLEN. ENDIF. CLEAR lwa_fieldcat. READ TABLE li_fieldcat INTO lwa_fieldcat WITH KEY fieldname = 'BUKRS'. IF sy-subrc eq 0. lwa_fieldcat-col_pos = '6'. MODIFY li_fieldcat FROM lwa_fieldcat INDEX sy-tabix TRANSPORTING col_pos. ENDIF. ENDIF. * Making fields editable except key fields IF sy-ucomm = 'UPD' OR sy-ucomm = 'CHANGE'. LOOP AT li_fieldcat INTO lwa_fieldcat. IF lwa_fieldcat-key = space. lwa_fieldcat-edit = 'X'. MODIFY li_fieldcat FROM lwa_fieldcat. ENDIF. ENDLOOP. ENDIF. * Making fields editable IF sy-ucomm = 'NEW'. LOOP AT li_fieldcat INTO lwa_fieldcat. lwa_fieldcat-edit = 'X'. MODIFY li_fieldcat FROM lwa_fieldcat. ENDLOOP. lh_flag = 'X'. CLEAR : <i_itab>. DO 100 TIMES. APPEND <wa_tab> TO <i_itab>. ENDDO. ENDIF. * Exclude buttons PERFORM exclude_tb_functions CHANGING i_exclude. IF g_custom_container IS INITIAL. CREATE OBJECT g_custom_container EXPORTING container_name = g_container. CREATE OBJECT grid1 EXPORTING i_parent = g_custom_container. ENDIF. * Making all fields non-editable if display mode IF sy-ucomm = 'SHOW'. LOOP AT li_fieldcat INTO lwa_fieldcat. lwa_fieldcat-edit = ' '. MODIFY li_fieldcat FROM lwa_fieldcat. ENDLOOP. ENDIF. IF sy-ucomm = 'SAVE'. LOOP AT li_fieldcat INTO lwa_fieldcat. IF lwa_fieldcat-key NE space. lwa_fieldcat-edit = space. MODIFY li_fieldcat FROM lwa_fieldcat. ENDIF. ENDLOOP. ENDIF. * Displaying ALV Grid CALL METHOD grid1->set_table_for_first_display EXPORTING i_structure_name = 'ZTBFI0020' "viewname it_toolbar_excluding = i_exclude CHANGING it_outtab = <i_itab> it_fieldcatalog = li_fieldcat. IF sy-subrc NE 0. EXIT. ENDIF. CALL METHOD grid1->SET_GRIDTITLE EXPORTING I_GRIDTITLE = 'Entry Value Pengukuran Kembali'. * Getting the changed data SET HANDLER gr_event_handler->handle_data_changed FOR grid1 . CATCH cx_sy_create_data_error. ENDTRY. ENDMODULE. " STATUS_0400 OUTPUT