he key to configuring the ALV Grid Control for your particular application is the structures that are passed by the application to an ALV Grid instance before or during list display. For some simple extensions of your ALV Grid instance, you only need to set the right parameter and pass the table or structure by using method set_table_for_first_display.
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Let’s review some of the technical aspects of controls technology:
-The SAP Control Framework
-The Automation Queue, and the issues surrounding “flushing” it
-Event handling
-Error handling
Including Controls Technology controls on the front-end establishes a client/server relationship between the application server and the controls on the presentation server.