Which event is called before displaying the selection screen?

Which event is called before displaying the screen in SAP ABAP

The basic form of the selection screen events is the AT SELECTION-SCREEN event. This event occurs after the runtime environment has passed all input data from the selection screen to the ABAP program.

What are the events of selection screen

Types of Selection Screen Events

• Intialization.
• At selection-screen.
• At selection-screen output.
• At selection-screen on.
• At selection-screen on block.
• At selection-screen on help-request.
• At selection-screen on RADIOBUTTON.
• At selection-screen on value-request.

What are the selection screen events in SAP ABAP

Author(s):

• SELECTION-SCREEN EVENTS.
• A) INITIALIZATION.
• B) AT SELECTION-SCREEN.
• C) AT SELECTION-SCREEN OUTPUT.
• D) AT SELECTION-SCREEN ON <field>
• E) AT SELECTION-SCREEN ON BLOCK <block name>
• F) AT SELECTION-SCREEN ON RADIOBUTTON GROUP <radiobutton group name>
• G) AT SELECTION-SCREEN ON VALUE-REQUEST FOR <field>

What is start of Selection in SAP ABAP

START-OF-SELECTION. Effect. This event keyword defines the standard processing block of an executable program. The associated event is raised by the ABAP runtime environment during the running of an executable program after any standard selection screens have been processed.

What is Loop at screen in SAP ABAP

The statement LOOP AT SCREEN behaves like the statement LOOP in a loop across an internal table, where a system table is used instead of an internal table. This statement also has an obsolete short form, which works with an obsolete predefined structure screen.

What is the difference between AT selection screen and at selection screen output

At selection-screen output is triggered when the selection screen is loaded in memory before being displayed. The event AT SELECTION-SCREEN is the basic form of a whole series of events that occur while the selection screen is being processed.

Which event gets triggered when user press Enter in the selection screen

ENDLOOP. AT SELECTION-SCREEN. This event is triggered when the user presses enter on the report selection screen and is mainly used to add processing related to screen validation.

What are the events in module pool programming

Events In Module Pool Programming

• PBO – Process Before Output: Whenever the program is executed using a tcode, the initial and default values are fetched and displayed on the screen.
• PAI – Process After Input: When a user passes any data/input on the screen, this event is triggered so that follow-up action can be taken.

What are the events in interactive reports in SAP ABAP

Classical Reports have following events, these events are common for Interactive Reports:

• LOAD-OF-PROGRAM : First event fired, loads program in memory.
• INITIALIZATION: Initialize variable.
• START-OF-SELECTION : Actual Business Logic (After START-OF-SELECTION)
• END-OF-SELECTION : To end above.

Which event is called before displaying the selection screen

If user-defined selection screens are called, the event sequence is imbedded accordingly in the current program flow. Selection screen processing starts after the INITIALIZATION event with AT SELECTION SCREEN OUTPUT . The selection screen is then sent to the screen.

What is selection screen in ABAP

Selection screens are special dynpros that are not created in Screen Painter, but rather are generated from ABAP statements. You use them whenever you want the user to enter either a single value for a field or fields, or to enter selection criteria. Function. ABAP programs use screens to obtain input from users.

What is the difference between the initialization and at selection screen output events

Hi, initialization is the event where you can initialize the selection with some default values. this is the first event which triggers after load of program. and coming to at selection-screen output , it is like PBO it will trigger twice for every run.15 Nov 2006

Which is the correct sequence of events in SAP ABAP

start-of-selection. end-of-selection. top-of-page. end-of-page.

What is the use of start of selection event in ABAP

START-OF-SELECTION. This event keyword defines the standard processing block of an executable program. The associated event is raised by the ABAP runtime environment during the running of an executable program after any standard selection screens have been processed.

What is end of selection in ABAP

The statement defines an event block whose event is raised as follows by the ABAP runtime environment during the process flow of the executable program: If the executable program is associated with a logical database, END-OF-SELECTION is raised (if the logical database has fully completed its work).

Which of the following are the dialog types in search help

You use the dialog type of an elementary search help to define how the hit list is displayed when the input help is called. You can specify one of the following dialog types for an elementary search help: Display values immediately: The hit list is immediately displayed when the input help is called.

How do you make a field invisible in selection screen in ABAP

screen-invisible = '0'. modify screen. endif. endloop.Feb 7, 2007

What is selection screen event

The event AT SELECTION-SCREEN itself is raised as the last event in selection screen processing if all the input values were passed to the program. All user input can be checked in this event block. Sending a warning or an error message in the event block makes all the screen fields ready for input once again.