2. How do you handle events like "Double Click" or "Hotspot Click" in OOP?
: When the user clicks, the system automatically calls your method. 3. How do you make specific cells or rows editable?
Functional ALV relies on passing parameters to a function module. OOP ALV is instance-based. In OOP, you instantiate a container and then an ALV object within that container. This allows for multiple ALV grids on a single screen and finer control over event handling using methods instead of form routines. Abap Alv Oops Interview Questions And Answers
ABAP ALV (ABAP List Viewer) using Object-Oriented Programming (OOP) is a cornerstone of modern SAP development. Moving away from function modules like REUSE_ALV_GRID_DISPLAY , the OOP approach leverages the CL_GUI_ALV_GRID class or the newer SALV (SAP List Viewer) model. Understanding this shift is essential for any senior ABAP developer. Core Concepts of ALV OOP
: Create a class with a method FOR EVENT double_click OF cl_gui_alv_grid . OOP ALV is instance-based
: The primary class for creating editable, interactive grids.
: A newer, more streamlined "factory" model that is easier to code but less flexible for editing. While you can use LVC_FIELDCATALOG_MERGE
While you can use LVC_FIELDCATALOG_MERGE , it is often considered best practice in OOP to build the field catalog manually or via a DDIC structure to ensure performance and prevent metadata inconsistencies. The SALV Alternative