Now if you dont write the end-of-selection, the database will be locked till the programs terminated. So we just do the data selection between start-of-selection nad end-of-selection. Again that lock released when a end-of-selection is encountered to maintain the consistency. When you execute a program, database is locked when it encounter a start-of-selection. What is the use of END-OF-SELECTION event in reports? What is the use of set parameter id in reports and how we will set the parameter ID?īyusing set memory id ‘kun’ FIELD ls_final –vbeln_soĬALL TRANSACTION ‘VL03N’ AND SKIP FIRST SCREEN. Required, input, output, intensified…like If we want to change the screen in at selection screen ouptut based on the modif field we can change the fields visible, invisible, input mode and display mode etc. What is MODIF id and how we use it on the selection screen? It is for data validation and validated f4 help. Changes to the existing selection based on user action.Īt selection screen : Its like a PAI event. What is the difference between at selection screen and at selection screen output?Īt selection screen output is like a PB0 event. The correct event for screen modifications is AT SELECTION-SCREEN OUTPUT. Since INITIALIZATION is only executed once when you start the report, it is not suitable for screen modifications such as suppressing individual parameters (LOOP AT SCREEN, MODIFY SCREEN ) because these changes would disappear again when the user pressed ENTER. Initialization will be triggered before selection screen is displayed for the first time. What is the difference between at selection screen output and intialization ? at selection-screen: After user input on a selection screen has been processed, but while the selection screen is still active.Intialization: Before the standard selection screen is displayed.What are the events in sap abap reports and its order of execution? Views (There are different types of views also).ALV Reports (ALV stands for ABAP List Viewer).
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