SELECT * FROM sbook INTO TABLE @DATA(bookings).
TRY.
DATA(lo_grid) =
NEW cl_gui_alv_grid(
i_parent = cl_gui_container=>default_screen ).
lo_grid->set_table_for_first_display(
EXPORTING i_structure_name = 'SBOOK'
CHANGING it_outtab = bookings ).
CALL SCREEN 100.
CATCH cx_root.
MESSAGE 'Error in ALV creation' TYPE 'E'.
ENDTRY.