topic Event declaration in Application Development and Automation Discussions

Event declaration

Former Member — Thu, 06 Oct 2005 13:47:31 GMT

Hi all,

Is it possible to declare the events in a report program twice. That is, can i declare an event 'initialization' or say 'start-of-selection' twice in the same report program. If yes, then what is the implication of such an instance.

Any help will be highly appreciated

Regards,

Hitanshu

Re: Event declaration

andreas_mann3 — Thu, 06 Oct 2005 13:49:27 GMT

Hi,

No You can't .

-> navigation in se80 (events) notifies an error

Andreas

Re: Event declaration

Former Member — Thu, 06 Oct 2005 13:50:44 GMT

No You can't Declare Same Events Twice in a Program.

Re: Event declaration

Former Member — Thu, 06 Oct 2005 13:52:54 GMT

hi,

these are the events are processed by the system, you can't declare twice . suppose if the orders are changed the system takes the correct order automatically

cheers,

sasi

Re: Event declaration

Former Member — Thu, 06 Oct 2005 13:53:15 GMT

Hi,

Yes, You cabn declare it.

The even at last will get processed in case yiu have

declared the same one twice.

But I don't know why you are doing this?

Please reward points if this explanation is useful.

Regads,

siva

Re: Event declaration

Former Member — Thu, 06 Oct 2005 13:59:47 GMT

Hi siva ,

thanks for the reply. I was just checking it out and the implication of such an instant.

if u can kindly look at my test code :

&----

*& Report Z_TEST_101 *

*& *

&----

*& *

&----

REPORT Z_TEST_101 .

TABLES : MARA, MARC, MARD.

DATA : BEGIN OF I_MARA OCCURS 0,

MATNR LIKE MARA-MATNR,

MTART LIKE MARA-MTART,

MEINS LIKE MARA-MEINS,

END OF I_MARA.

DATA : BEGIN OF I_MARC OCCURS 0,

MATNR LIKE MARC-MATNR,

WERKS LIKE MARC-WERKS,

END OF I_MARC.

DATA : BEGIN OF I_MARD OCCURS 0,

MATNR LIKE MARD-MATNR,

WERKS LIKE MARD-WERKS,

LGORT LIKE MARD-LGORT,

LABST LIKE MARD-LABST,

END OF I_MARD.

SELECT-OPTIONS : S_MATNR FOR MARA-MATNR.

PARAMETERS : P_WERKS LIKE MARC-WERKS.

*START-OF-SELECTION.

INITIALIZATION.

SELECT MATNR MTART MEINS

INTO TABLE I_MARA

FROM MARA

WHERE MATNR IN S_MATNR.

*START-OF-SELECTION.

INITIALIZATION.

IF NOT I_MARA[] IS INITIAL.

SELECT MATNR WERKS

INTO TABLE I_MARC

FROM MARC

FOR ALL ENTRIES IN I_MARA

WHERE MATNR = I_MARA-MATNR.

ENDIF.

START-OF-SELECTION.

LOOP AT I_MARA.

WRITE 😕 I_MARA-MATNR, I_MARA-MTART, I_MARA-MEINS.

ENDLOOP.

start-of-selection.

ULINE.

LOOP AT I_MARC.

WRITE 😕 I_MARC-MATNR, I_MARC-WERKS.

ENDLOOP.

it has two intialisations and two start of selections but

it is firing all the events.

Any thoughts ?

regards,

Hitanshu

Re: Event declaration

RichHeilman — Thu, 06 Oct 2005 14:08:42 GMT

Yes, it sure is firing both. That's kind of funny. So now we, proved that it works. It will fired the events one after the other in TOP DOWN order. Let's just say that it is not a good practice to have multiple occurances of an event. It will just confused people.

Regards,

Rich Heilman

Re: Event declaration

Former Member — Thu, 06 Oct 2005 14:09:59 GMT

You can't write this statament:

INITIALIZATION.

SELECT MATNR MTART MEINS

INTO TABLE I_MARA

FROM MARA

WHERE MATNR IN S_MATNR.

because this statament run before generate selection-screen, so it can't know how S_MATNR is.

TABLES : MARA, MARC, MARD.

DATA : BEGIN OF I_MARA OCCURS 0,

MATNR LIKE MARA-MATNR,

MTART LIKE MARA-MTART,

MEINS LIKE MARA-MEINS,

END OF I_MARA.

DATA : BEGIN OF I_MARC OCCURS 0,

MATNR LIKE MARC-MATNR,

WERKS LIKE MARC-WERKS,

END OF I_MARC.

DATA : BEGIN OF I_MARD OCCURS 0,

MATNR LIKE MARD-MATNR,

WERKS LIKE MARD-WERKS,

LGORT LIKE MARD-LGORT,

LABST LIKE MARD-LABST,

END OF I_MARD.

SELECT-OPTIONS : S_MATNR FOR MARA-MATNR.

PARAMETERS : P_WERKS LIKE MARC-WERKS.

START-OF-SELECTION.

SELECT MATNR MTART MEINS

INTO TABLE I_MARA

FROM MARA

WHERE MATNR IN S_MATNR.

IF SY-SUBRC = 0.

SELECT MATNR WERKS

INTO TABLE I_MARC

FROM MARC

FOR ALL ENTRIES IN I_MARA

WHERE MATNR = I_MARA-MATNR

AND WERKS = P_WERKS.

ENDIF.

END-OF-SELECTION.

LOOP AT I_MARA.

WRITE 😕 I_MARA-MATNR, I_MARA-MTART, I_MARA-MEINS.

ENDLOOP.

IF SY-SUBRC = 0.

ULINE.

ENDIF.

LOOP AT I_MARC.

WRITE 😕 I_MARC-MATNR, I_MARC-WERKS.

ENDLOOP.

Max

Re: Event declaration

Former Member — Thu, 06 Oct 2005 14:12:52 GMT

hi,

why you want like this?

is there any logic behind there?

intialization executes only once

and start-of selection executes (and executes at F8)

cheers,

sasi

Re: Event declaration

Former Member — Thu, 06 Oct 2005 14:34:36 GMT

You can write the events in your code as many times as you wish and in whatever order you want. The program will execute them in the order of INITIALIZATION, SELECTION-SCREEN, START-OF-SELECTION, END-OF-SELECTION, AT events. TOP-OF-PAGE, END-OF-PAGE will get triggered as you output to the screen, whether in START-OF-SELECTION or END-OF-SELECTION.

Now if you have more than on occurance of an event, the system will execute all the occurances in the order they appear in the program.

Look at the following piece of program.


DATA: v_flag_init1,
      v_flag_init2,
      v_flag_init3,
      v_flag_start,
      v_flag_top,
      v_flag_end.

INITIALIZATION.

  v_flag_init1 = '1'.

END-OF-SELECTION.

  v_flag_end = '1'.

  WRITE:/ 'V_FLAG_END = ', v_flag_end.

INITIALIZATION.

  v_flag_init2 = '3'.

START-OF-SELECTION.

  WRITE:/ 'V_FLAG_INIT1 = ', v_flag_init1,
        / 'V_FLAG_INIT2 = ', v_flag_init2,
        / 'V_FLAG_INIT3 = ', v_flag_init3.

  v_flag_start = '2'.

  WRITE:/ 'V_FLAG_START = ', v_flag_start.

INITIALIZATION.

  v_flag_init3 = '2'.

TOP-OF-PAGE.

  v_flag_top = '2'.
  WRITE:/ 'V_FLAG_TOP = ', v_flag_top.

START-OF-SELECTION.

  v_flag_start = '1'.

  WRITE:/ 'V_FLAG_START = ', v_flag_start.

END-OF-SELECTION.

  v_flag_end = '2'.

  WRITE:/ 'V_FLAG_END = ', v_flag_end.


TOP-OF-PAGE.

  v_flag_top = '1'.
  WRITE:/ 'V_FLAG_TOP = ', v_flag_top.

It gives the following output.


V_FLAG_TOP =  2   
V_FLAG_TOP =  1   
V_FLAG_INIT1 =  1 
V_FLAG_INIT2 =  3 
V_FLAG_INIT3 =  2 
V_FLAG_START =  2 
V_FLAG_START =  1 
V_FLAG_END =  1   
V_FLAG_END =  2

If this helps, please reward and close the thread.

Srinivas

Re: Event declaration

Former Member — Fri, 07 Oct 2005 05:45:48 GMT

Thanks Srini !

Re: Event declaration

Former Member — Fri, 07 Oct 2005 16:43:00 GMT

Please reward and close if answered.

Thanks,

Srinivas