topic Re: abt events in Application Development and Automation Discussions

abt events

Former Member — Tue, 12 Dec 2006 14:20:42 GMT

flow of events in classic reports how?

Re: abt events

Former Member — Tue, 12 Dec 2006 14:23:02 GMT

Hi Jeevitha,

Check out the Descriptions:

Events in Reporting :

The following events occur at runtime of a typical report program which uses logical databases:

Event keyword Event

INITIALIZATION Point before the selection screen is displayed

When you start a program in which a selection screen is defined (either in the program itself or in the linked logical database program), the system normally processes this selection screen first. If you want to execute a processing block before the selection screen is processed, you can assign it to the event keyword INITIALIZATION.

AT SELECTION-SCREEN Point after processing user input on the selection screen while the selection screen is still active

The event keyword AT SELECTION-SCREEN provides you with several possibilities to carry out processing blocks while the system is processing the selection screen.

START-OF-SELECTION Point after processing the selection screen

The event START-OF-SELECTION gives you the possibility of creating a processing block after processing the selection screen and before accessing database tables using a logical database. You can use this processing block, for example, to set the values of internal fields or to write informational statements onto the output screen.

At the START-OF-SELECTION event, also all statements are processed that are not attached to an event keyword except those that are written behind a FORM-ENDFORM block

GET <table> Point at which the logical database

offers a line of the database table <table>.

The most important event for report programs with an attached logical database is the moment at which the logical database program has read a line from a database table (see Accessing Data Using Logical Databases ). To start a processing block at this event, use the GET statement as follows:

Syntax

GET <table> [FIELDS <list>].

After this statement, you can work with the current line of the database table <table>. The data is provided in the table work area <table>.

GET <table> LATE Point after processing all tables which

are hierarchically subordinate to the database table <table> in the structure of the logical database.

To start a processing block at the moment after the system has processed all database tables of a logical database that are hierarchically inferior to a specific database table, use the event keyword GET as follows:

Syntax

GET <table> LATE [FIELDS <list>].

In analogy to report programs that use only SELECT statements (see table in Comparison of Access Methods ), the processing block of a GET <table> LATE statement would appear directly before the ENDSELECT statement in the SELECT loop for the database table <table>.

END-OF-SELECTION Point after processing all lines offered

by the logical database.

To define a processing block after the system has read and processed all database tables of a logical database, use the keyword END-OF-SELECTION.

The following events occur during the processing of the output list of a report program:

Event keyword Event

TOP-OF-PAGE Point during list processing when

a new page is started

END-OF-PAGE Point during list processing when a page

is ended

The following events occur during the display of the output list of a report program:

Event keyword Event

AT LINE-SELECTION Point at which the user selects a line

AT USER-COMMAND Point at which the user presses a function key or enters a command in the command field.

AT PF<nn> Point at which the user presses the

function key with the function code PF<n>

Regds,

Srini

Re: abt events

Former Member — Tue, 12 Dec 2006 14:23:30 GMT

Hi,

Flow is like this.

1. LOAD-OF-PROGRAM

2.INITIALIZATION

3.AT SELECTION-SCREEN OUPUT

4.AT SELECTION-SCREEN ON <FIELDNAME>

5.AT SELECTION-SCREEN

6. START-OF-SELECTION

7.END-OF-SELECTION

8.TOP-OF PAGE

9.END-OF-PAGE

10.AT-LINE SELECTION

Regs

Manas Ranjan Panda

Message was edited by:

MANAS PANDA

Re: abt events

Former Member — Tue, 12 Dec 2006 14:25:14 GMT

Description of Events

This section describes in more detail the events that occur when you run an executable program.

The following events occur when you run a typical executable program with a logical database:

Event

Occurs

INITIALIZATION

Before the standard selection screen is displayed

AT SELECTION-SCREEN

After user input on a selection screen has been processed, but while the selection screen is still active

START-OF-SELECTION

After the standard selection screen has been processed, before data is read from the logical database

GET <table>

After the logical database has read an entry from the node <table>

GET <table> LATE

After all of the nodes of the logical database have been processed that are below <table> in the database hierarchy

END-OF-SELECTION

After all data has been read by the logical database

List processor events:

Event

Occurs

TOP-OF-PAGE

In list processing when a new page starts

END-OF-PAGE

In list processing when a page ends

AT LINE-SELECTION

When the user triggers the predefined function code PICK

AT PF<nn>

When the user triggers the predefined function code PF<nn>

AT USER-COMMAND

When the user triggers a function code defined in the program

For more information about these events, refer this link http://help.sap.com/saphelp_erp2005/helpdata/en/9f/db9a9635c111d1829f0000e829fbfe/frameset.htm

refer this thread for the answer:

http://www.sap-img.com/abap/events-related-to-reporting.htm

regards,

Santosh

Re: abt events

Former Member — Sat, 25 Aug 2007 03:00:28 GMT

good answer