在Dialog Screen上放Select屏幕

report z_barry_test.

tables mara.

data: ok_code like sy-ucomm,
        repid like sy-repid.

selection-screen begin of screen 2000 as subscreen.
  parameters p_erdat like sy-datum obligatory.
  select-options s_matnr for mara-matnr .
selection-screen end of screen 2000.

start-of-selection.
repid = sy-repid.
call screen 100.

*在这个DialogScreen
process before output.
call subscreen sub1 including repid '2000'.

process after input.
call subscreen sub1.