PAI logic

Hi experts,
I have a problem with the PAI. I debugged the program. It goes into modul m_modify. The value of the field1 is 2. I clear it and give the value 1. It is working fine, that's what I want. But after the program finishes the modul the value of the field becomes 2 again.
I don't know how could it happen if I previously cleared and gave a value to this field.
Here is my piece of code:
PROCESS AFTER INPUT.
FIELD v_modid MODULE m_modify ON REQUEST.
In the module I use the following commands:
clear: field1.
field1 = '1'.

In your module m_modify you change the value of field1 to '1', but for some reason
this abap field is set to the value of the screen field at a later point of time, it is
set back to '2' (I have to see the rest of your code to tell why).
By calling "FIELD field1" at first, you make sure that the transport of the screen field
to the abap field is done before your field value modification.
For more information about "Controlling the Data Transfer" you can check the
abap documentation [here|http://help.sap.com/saphelp_46c/helpdata/en/9f/dbabb035c111d1829f0000e829fbfe/frameset.htm].
Great I could help,
Karsten

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>
Sachidanand B wrote:
> Hi All,
>
> I need to validate a custom infotype field, where i need to check for execution times. I need to override the field value only during first time of the run(PAI logic) and there after user can choose a value of his choice.
> I was looking out for Global variable to check if its first run. Can you please tell me how do i create global variable in custom infotype? The top include specified in the program is not editable, being standard (MPH5ATOP).
>
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package com.sap.training.portal;
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import com.sapportals.htmlb.page.PageException;
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locked by: Thomas Zloch on Aug 11, 2010 3:39 PM

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Hello Sankumar
I assume your 2nd screen (9002) displays detailed data based on a selection of the first screen (9001).
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Hi ABAP Experts,
I have written a Dialog Program For a Screen Which contains 5 fields namely,
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fldate,
price,
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start-of-selection.
loop at itab.
perform open_group.
perform bdc_dynpro      using 'SAPMZ_TPSCREEN02' '1000'.
perform bdc_field       using 'BDC_OKCODE'
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perform bdc_field       using 'BDC_CURSOR'
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perform bdc_field       using 'SFLIGHT-CARRID'
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perform bdc_field       using 'SFLIGHT-CONNID'
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perform bdc_field       using 'SFLIGHT-FLDATE'
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perform bdc_field       using 'SFLIGHT-PLANETYPE'
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report ZVMREC
       no standard page heading line-size 255.
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tables
    data_tab                      = itab.
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start-of-selection.
loop at itab.
perform open_group.
perform bdc_dynpro      using 'SAPMZ_TPSCREEN02' '1000'.
perform bdc_field       using 'BDC_OKCODE'
                              '=CREA'.
perform bdc_field       using 'BDC_CURSOR'
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perform bdc_field       using 'SFLIGHT-CARRID'
                              'AA'.
perform bdc_field       using 'SFLIGHT-CONNID'
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perform bdc_field       using 'SFLIGHT-FLDATE'
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perform bdc_field       using 'SFLIGHT-PRICE'
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perform bdc_field       using 'SFLIGHT-PLANETYPE'
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perform bdc_transaction using 'Z_TPSCREEN02'.
perform close_group.
endloop.
I checked for errors, activated and executed.
I gave session name and executed, it generated same number of sessions as number of records.
I went to SM35 and Processed one of the sessions in foreground.
It brought my screen up with all fields fill up by the fields of first record in the internal table and with
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I check the OK Code.
Now the problem has come up, its says
*No batch input data for screen SAPMZ_TPSCREEN02 1000 *
My session was now incorrectly processed,
Please help me to fix this problem.
I searched so many forums and google it a lot.
But i didn't find any clue.
Kindly take your time and have a look at this problem and let me know how can i fix it.
Thank you very much all.
Shiv
Edited by: Sivaram Naga on Apr 15, 2008 5:57 AM

I used this code to convert the date format. I'm still getting the short dump.
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       v_mm(2) TYPE c,
       v_dd(2) TYPE c,
       v_date(8) TYPE c.
v_yyyy = itab-fldate(4).
v_mm = itab-fldate+4(2).
v_dd = itab-fldate+6(2).
concatenate v_yyyy v_mm v_dd into v_date.
I'm once again, putting my code.
report ZVMREC
       no standard page heading line-size 255.
TABLES: sflight.
DATA: BEGIN OF itab OCCURS 0,
carrid LIKE sflight-carrid,
connid LIKE sflight-connid,
fldate LIKE sflight-fldate,
price TYPE sflight-price,
planetype TYPE sflight-planetype,
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CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
    filename                      = 'C:\users\vamc\documents\flightinfo.txt'
    FILETYPE                      = 'ASC'
    HAS_FIELD_SEPARATOR           = 'X'
tables
    data_tab                      = itab.
include bdcrecx1.
start-of-selection.
loop at itab.
DATA: v_yyyy(4) TYPE c,
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       v_dd(2) TYPE c,
       v_date(8) TYPE c.
v_yyyy = itab-fldate(4).
v_mm = itab-fldate+4(2).
v_dd = itab-fldate+6(2).
concatenate v_yyyy v_mm v_dd into v_date.
perform open_group.
perform bdc_dynpro      using 'SAPMZ_TPSCREEN02' '1000'.
perform bdc_field       using 'BDC_OKCODE'
                              '=CREA'.
perform bdc_field       using 'BDC_CURSOR'
                              'SFLIGHT-PLANETYPE'.
perform bdc_field       using 'SFLIGHT-CARRID'
                               ITAB-CARRID.
perform bdc_field       using 'SFLIGHT-CONNID'
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perform bdc_field       using 'SFLIGHT-FLDATE'
                              V_DATE.
perform bdc_field       using 'SFLIGHT-PRICE'
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perform bdc_field       using 'SFLIGHT-PLANETYPE'
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perform bdc_transaction using 'Z_TPSCREEN02'.
perform close_group.
endloop.
Kindly take a look at it and please help me out. I tried very hard. But i dont understand why?
Thanks
Shiv
Edited by: Sivaram Naga on Apr 15, 2008 5:46 PM

PAI logic

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