First ALV program 2

Step five ： Defining events
ls_event-name = ‘USER_CMMAND’. " User response events
ls_event-from = ‘FORM_USER_COMMAND’.
APPEND ls_event to lt_event.
ls_event-name = ‘TOP_OF_PAGE’. " Show title
ls_event-form = ‘FORM_TOP_OF_PAGE’.
APPEND ls_event to lt_event.
ls_event-name = ‘PF_STATUS_SET’. " Set up GUI-STATUS
ls_event-name = ‘FROM_PF_STATUS_SET’.
APPEND ls_event TO lt_event.

The subroutine written at the end （ Subroutines are similar to functions ）

-------------form Definition ------------
form FORM_USER_COMMAND.

ENDFORM.

form PF_STATUS_SET.

ENDFORM.

form FORM_PF_STATUS_SET.

ENDFORM.