Classical Reports

Classical reports is nothing but to display the entire information in a single list .

Events are signals that are automatically triggered based on the situation.

Events in classical report.

1. Initialization

2. At selection-screen

3. At selection-screen on

4. Start-of-selection

5. End-of-selection

6. Top-of-page

7.End-of-page

8. At selection-screen output

9. At selection-screen on value-request

10. At selection-screen on help-request

           

                                           Process flow of events

1. Initialization : It is an event which is triggered before displaying the selection-screen.

Advantage : this event is used to provide the default values to the selection-screen.

2.  At selection-screen : It is an event  which is triggered after providing the input to  the screen and before leaving the selection-screen.

Advantage : this  event is used to validate the given input.

3. At selection-screen on :  It is an event which is triggered at the selection-screen based on particular input field.

Advantage :  this event is used to validate the particular input field.

4. Start-of-selection : It is an event which is triggered after leaving the selection-screen and before displaying the output data.

Advantage : This is used to fetch the data from the database and placed into internal tables

5. End-of-selection : It is an event which is triggered after completion of the logic (or) to state that start-of-selection is ended we use end-of-selection event.

Advantage : this event is used to display the output.

6 . Top-of-page : It is an event which is triggered at the top of each page. 

Advantage : this event is used to display the header information.

7. End-of-page : It is an event which is triggered at  the  end of each page.

 Advantage : this is used to display the footer information.

8. At selection-screen output : It is an event  which is triggered at the selection-screen based on the user action.

 Advantage : this is used to modify the selection-screen.

9. At selection-screen on value-request : It is an event which is triggered at the time of user clicks on F4(button).

Advantage : this is used to provide the list of possible values to  the  input variable. 

10. At selection-screen on help-request :  It is an event which  triggered at the time of user clicks on F1(button).

 Advantage : this is used to provide the help-document to input variable.

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