Answer / nar

At selection screen output is used to change the selction
screen dynamically.

Answer / reddy

AT SELECTION-SCREEN OUTPUT

This event is called before the screen is displayed. So it
will have advantage of changing screen attributes and
default values for screen input.

AT SELECTION-SCREEN.

This event is triggered after screen is displayed. So this
Event can be used for validations of Screen fields.

Answer / saifur rahaman

AT SELECTION-SCREEN.

The event AT SELECTION-SCREEN is the basic form of a whole
series of events that occur while the selection screen is
being processed.

The standard selection screen in an executable program or
in the logical database linked to it is automatically
called between the INITIALIZATION and START-OF-SELECTION
events. When you call the selection screen, and when users
interact with it, the ABAP runtime environment generates
selection screen events, which occur between INITIALIZATION
and START-OF-SELECTION.


AT SELECTION-SCREEN OUTPUT

event is triggered. This event block allows you to modify
the selection screen directly before it is displayed.

Answer / ramjan shaik

THIS EVENT IS USING TO FILTER THE DATA.BEFORE GOING TO GET
THE DATA FROM DATABASE TABLES , IT ASKS THE INPUT FIELD
WINDOWS.DEPENDING ON THE INPUT VALUES,IT DISPLAYS THE DATA
FROM THE DATA BASE TABLES
FOR EX.IF I WANT TO GET THE DETAILS OF THE US PEOPLES FROM
THE KNA1(CUSTOMER) TABLE,WE CAN USE THIS TYPE OF SCREENS.SO
THAT WE CAN FILTER THE DATA.

Answer / vishal singh

AT SELECTION SCREEN OUTPUT
THIS EVENT IS USED TO MODIFY THE SELECTION SCREEN.

AT SELECTION SCREEN.
THIS EVENT IS USED TO VALIDATE ALL THE FIELDS ON THE
SELECTION SCREEN.

Answer / sumit0312

AT SELECTION-SCREEN OUTPUT

Event is triggered. This event block allows you to modify
the selection screen directly before it is displayed.

how to "WRITE" in SELECTION SREENS

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