Thanks for answer...
hi, i dont used the refresh_table_display method.
CALL METHOD g_grid->SET_TABLE_FOR_FIRST_DISPLAY
EXPORTING
IS_LAYOUT = gs_layout
CHANGING
IT_OUTTAB = itab[]
IT_FIELDCATALOG = gt_fieldcat.
CALL METHOD g_grid->refresh_table_display.
CALL METHOD g_grid->SET_READY_FOR_INPUT
EXPORTING
I_READY_FOR_INPUT = 1.
CALL METHOD g_grid->REGISTER_EDIT_EVENT
EXPORTING
I_EVENT_ID = CL_GUI_ALV_GRID=>MC_EVT_MODIFIED
EXCEPTIONS
ERROR = 1
OTHERS = 2.
i am ok?
where define(event), when user click on the cell? and validate the third column?
thanks.