Module Pool - Using Selection Screen



For select options, create sub-screen area in your screen layout where you want to create the select options. In the top include of your module pool program declare a selection screen as a sub-screen

e.g.

SELECTION-SCREEN BEGIN OF SCREEN 100 AS SUBSCREEN.
Select-options s_matnr for mara-matnr.
SELECTION-SCREEN END OF SCREEN.

 In the PBO and PAI of the main screen where the select options needs to be created do a

call subscreen of the above screen (100).

CALL SUBCREEN sub_area INCLUDING.

This call subscreen statement is necessary for transport of values between screen and program.
All validations of the selection screen fields e.g. the s_matnr field created above should be done in selection screen events like AT SELECTION-SCREEN etc. and not in PAI. These selection screen validations etc. should be done in the top include only.

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