How To Use Messages In Lists?

1.	How To Use Messages In Lists?
Answer» ABAP/4 allows you to react to incorrect or doubtful user input by displaying messages that influence the program FLOW depending on how serious the error was. Handling messages is mainly a topic of dialog programming. You store and maintain messages in Table T100. Messages are sorted by language, by a two-character ID, and by a three-digit number. You can assign different message types to each message you OUTPUT. The influence of a message on the program flow depends on the message type. In our program, USE the MESSAGE STATEMENT to output messages statically or dynamically and to DETERMINE the message type. Syntax: REPORT <rep> MESSAGE-ID <id>. Syntax: REPORT <rep> MESSAGE-ID <id>.

Answer»

ABAP/4 allows you to react to incorrect or doubtful user input by displaying messages that influence the program FLOW depending on how serious the error was.
Handling messages is mainly a topic of dialog programming. You store and maintain messages in Table T100. Messages are sorted by language, by a two-character ID, and by a three-digit number.
You can assign different message types to each message you OUTPUT. The influence of a message on the program flow depends on the message type. In our program, USE the MESSAGE STATEMENT to output messages statically or dynamically and to DETERMINE the message type.

Syntax: REPORT <rep> MESSAGE-ID <id>.

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