Layouts of a BSPs.
BSP structure :
Page types:
–F: page with flow logic
–V: View
–P: page fragment
BSP events:
When the request coming, the process follow the below logic:
1. OnCreate: This event just execute once for stateful, otherwise once the BSP is called.
2. OnRequest: Executed each time when the BSP is called, and restore the internal data structure from the request.
3. OnInputProcessing: Used for process the user inputs and subsequent navigation to the next pages.
4. OnInitialization: Executed after OnRequest, mainly for data retrieval, such as read data from database, filling internal tables….
5. Layout:
6. OnManipulation: Used for manipulating the data stream according to the layout.
7. OnDestroy: The last to be executed, for deleting the information of the BSP application.
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