Handling of Messages in events

Hi gurus,
Previously, I would provide error messages in WRITE statement, which seems to be amateur approach, anyways I have been using message classes and messages, but when I want to throw an error message of TYPE 'E' in START-OF-SELECTION event, the message is getting displayed on next screen.
Let me make it clear, I provide select-options on selection-screen, to fetch conditioned data from database. If no such records are found, an error message should get displayed.
I code,
START-OF-SELECTION.
IF sy-dbcnt EQ 0.
MESSAGE 'No Records Found' TYPE 'E'.
ELSE.
CODING
ENDIF.
If I code TYPE 'S', it's very well displaying on selection-screen itself, but for the case above, it displays on basic-list.
Suggest please.
Thankyou.

Hi Johny,
You can go by 2 ways:
1. MESSAGE 'No Records Found' TYPE 'E' in AT SELECTION-SCREEN.
2.MESSAGE 'No Records Found' TYPE 'S' DISPLAY LIKE 'E' in START-OF-SELECTION, which is really advisable to display error message like what you want.
Behavior:
Behavior of messages differ among Events.
Like, TYPE 'E' shows error on selection-screen, when given in AT SELECTION-SCREEN.
TYPE 'S' shows error on selection-screen, when given in START-OF-SELECTION.
But, when TYPE 'E' is given in START-OF-SELECTION, it rides to basic list.
To get desired message type, use the following way; TYPE 'S' DISPLAY LIKE 'E'.
Moreover, Johny, don't hesitate to search such questions in SCN before posting a thread.
Hope it helps you.
Thanks: Zahack

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    Liz Fausak
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    www.ni.com/support

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