Posted: Tue Jan 15, 2008 2:31 pm Post subject: ALV Grid – Insert row with default / previous row values
ALV Grid – Insert row function
Srilatha T
Sometimes we need to assign some default values when we create a new row in a grid using standard ALV Append row button. In our scenario we will see how to assign default values to Airline Code (CARRID), Flight Connection Number (CONNID) and Flight date (FLDATE) when a new row is created. To do that we need to handle DATA_CHANGED event in the program like mentioned below.
Definition of a class:
Code:
*---------------------------------------------------------------------*
* CLASS lcl_event_receiver DEFINITION
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
CLASS LCL_EVENT_RECEIVER DEFINITION.
*.............
PUBLIC SECTION.
METHODS:
handle_data_changed
FOR EVENT data_changed OF cl_gui_alv_grid
IMPORTING er_data_changed
e_ucomm.
ENDCLASS. "lcl_event_receiver DEFINITION
Implementation of a class:
Code:
**---------------------------------------------------------**
CLASS LCL_EVENT_RECEIVER IMPLEMENTATION.
METHOD HANDLE_DATA_CHANGED.
DATA: dl_ins_row TYPE lvc_s_moce. " Insert Row
FIELD-SYMBOLS: <fs> TYPE table. " Output table
* Loop at the inserted rows table and assign default values
LOOP AT er_data_changed->mt_inserted_rows INTO dl_ins_row.
ASSIGN er_data_changed->mp_mod_rows->* TO <fs>.
loop at <fs> into ls_outtab.
ls_outtab-carrid = 'LH'.
ls_outtab-connid = '400'.
ls_outtab-fldate = sy-datum.
MODIFY <fs> FROM ls_outtab INDEX sy-tabix.
endloop.
endloop.
Testing:
1) Execute the report and press Append Row button.
2) Row is created with default values.
Sometimes we need to default previous row values to the newly created row. To do that we need to set the attribute AUTO_VALUE while populating field catalog. In our scenario we default values to Airline Code (CARRID), Flight Connection Number (CONNID) and Flight date (FLDATE) when a new row is created.
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