Answer / abhinesh mishra

1) at seletion-screen output
2) at selection-screen
3) at selection-screen on value request

regards
abhinesh

Answer / vishal balapure

1) at seletion-screen output (when the screen is displayed
its same as PBO in module pool-- generally we use this
event for scenerio like filling the list box etc.)
2) at selection-screen (this event gets called when the
user presses enter or execute -- generally we use this
event to carry out validations)
3) at selection-screen on value request(this event will get
called only when the user presses F4 on a specific field on
the selection screen.)

Hope this answers your query...

Answer / banoj

At selection-screen output.
At selection-screen.
At selection-screen on value-request.

Answer / salil b

I believe it should be

At selection-screen output.
At selection-screen on value-request.
At selection-screen.

See the triggering sequence of events:
1. INITIALIZATION
2. AT SELECTION-SCREEN ON OUTPUT
3. AT SELECTION-SCREEN ON VALUE REQUEST FOR <FIELD>
4. AT SELECTION-SCREEN ON <FIELD>
5. AT SELECTION-SCREEN
6. START-OF-SELECTION
7. TOP-OF-PAGE(If There is write statement in START-OF-SELECTION)
8. END-OF-PAGE
9. END-OF-SELECTION

Answer / pooja

At selection- screen
at selection-screen on value request
at selection screen output.

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