selectionscreen – SAP EWM Help https://www.sapewmhelp.com SAP EWM questions answered by experts — ABAP, S/4HANA, warehouse management Sun, 03 Aug 2025 09:06:24 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.2 Difference between selection screen output and at selection? https://www.sapewmhelp.com/question/difference-between-selection-screen-output-and-at-selection/ https://www.sapewmhelp.com/question/difference-between-selection-screen-output-and-at-selection/#respond Sun, 03 Aug 2025 09:06:24 +0000 https://www.sapewmhelp.com/?question=difference-between-selection-screen-output-and-at-selection AT SELECTION-SCREEN OUTPUT

Purpose:
This event is triggered before the selection screen is displayed to the user.

Use Case:
To modify the selection screen dynamically — for example, to hide/show fields, enable/disable them, or set default values based on conditions.

AT SELECTION-SCREEN OUTPUT.
LOOP AT SCREEN.
IF p_radio1 = 'X'.
IF screen-name = 'P_FIELD2'.
screen-active = '0'. "Disable the field
MODIFY SCREEN.
ENDIF.
ENDIF.
ENDLOOP.

AT SELECTION-SCREEN

Purpose:
This event is triggered after the user has entered data and pressed Enter or Execute.

Use Case:
Used for input validation and custom checks on user input before the report proceeds.

Example:

AT SELECTION-SCREEN.
IF p_date < sy-datum.
MESSAGE 'Date cannot be in the past' TYPE 'E'.
ENDIF.
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