Doubt in function module...Urgent!!

hii all
     I want to find the difference between sy-datum and BLDAT and have to get only the days value...
for eg...
    sydatum(28.11.2007) - bldat(24.11.2007)= Days(4)
4 must the result... so i used the function module C14B_DIFF_BT_2_DATES..
but im unable to get the result...
my code is.....
*& Report ZAGE1
REPORT ZAGE1.
type-pools : slis,icon.
tables : bsid,kna1,knvv.
data : d_fieldcat type slis_t_fieldcat_alv,
       d_fieldcat_wa type slis_fieldcat_alv.
data : begin of itab_bsid occurs 0,
       kunnr like bsid-kunnr,
       bukrs like bsid-bukrs,
       bldat like bsid-bldat,
       waers like bsid-waers,
       belnr like bsid-belnr,
       end of itab_bsid.
data : begin of itab_kna1 occurs 0,
       kunnr like kna1-kunnr,
       end of itab_kna1.
data : begin of itab_knvv occurs 0,
       kunnr like knvv-kunnr,
       zterm like knvv-zterm,
       end of itab_knvv.
data : begin of itab_key occurs 0,
        kunnr like bsid-kunnr,
       bukrs like bsid-bukrs,
       bldat like bsid-bldat,
       waers like bsid-waers,
       belnr like bsid-belnr,
       zterm like knvv-zterm,
       due type i,
       end of itab_key.
selection-screen : begin of block blk1 with frame title text-001.
parameters : p_cc like bsid-bukrs.
selection-screen : end of block blk1.
select distinct kunnr bukrs bldat waers belnr from bsid into corresponding fields of table itab_bsid where bukrs = p_cc.
if not itab_bsid[] is initial.
select kunnr from kna1 into corresponding fields of table itab_kna1 for all entries in itab_bsid where kunnr = itab_bsid-kunnr.
if not itab_kna1[] is initial.
select kunnr zterm from knvv into corresponding fields of table itab_knvv for all entries in itab_kna1 where kunnr = itab_kna1-kunnr.
endif.
endif.
     loop at itab_bsid.
     itab_key-kunnr = itab_bsid-kunnr.
     itab_key-bukrs = itab_bsid-bukrs.
     itab_key-bldat = itab_bsid-bldat.
     itab_key-waers = itab_bsid-waers.
     itab_key-belnr = itab_bsid-belnr.
     append itab_key.
     clear itab_key.
     endloop.
     sort itab_key by kunnr.
     loop at itab_key.
     read table itab_knvv with key kunnr = itab_key-kunnr.
     if sy-subrc = 0.
     itab_key-zterm = itab_knvv-zterm.
     modify itab_key transporting zterm.
     endif.
     endloop.
    d_fieldcat_wa-fieldname = 'KUNNR'.
    d_fieldcat_wa-seltext_l = 'CUSTOMER'.
    d_fieldcat_wa-col_pos = 1.
    append d_fieldcat_wa to d_fieldcat.
    clear d_fieldcat_wa.
     d_fieldcat_wa-fieldname = 'BUKRS'.
    d_fieldcat_wa-seltext_l = 'COMPANY CODE'.
    d_fieldcat_wa-col_pos = 2.
    append d_fieldcat_wa to d_fieldcat.
    clear d_fieldcat_wa.
     d_fieldcat_wa-fieldname = 'WAERS'.
    d_fieldcat_wa-seltext_l = 'CURRENCY'.
    d_fieldcat_wa-col_pos = 3.
    append d_fieldcat_wa to d_fieldcat.
    clear d_fieldcat_wa.
     d_fieldcat_wa-fieldname = 'BLDAT'.
    d_fieldcat_wa-seltext_l = 'DOCUMENT DATE'.
    d_fieldcat_wa-col_pos = 4.
    append d_fieldcat_wa to d_fieldcat.
    clear d_fieldcat_wa.
     d_fieldcat_wa-fieldname = 'BELNR'.
    d_fieldcat_wa-seltext_l = 'DOCUMENT NO'.
    d_fieldcat_wa-col_pos = 5.
    append d_fieldcat_wa to d_fieldcat.
    clear d_fieldcat_wa.
     d_fieldcat_wa-fieldname = 'ZTERM'.
    d_fieldcat_wa-seltext_l = 'PAYMENT TERMS'.
    d_fieldcat_wa-col_pos = 6.
    append d_fieldcat_wa to d_fieldcat.
    clear d_fieldcat_wa.
*data : due type i.
loop at itab_key.
   CALL FUNCTION 'C14B_DIFF_BT_2_DATES'
     EXPORTING
       I_DATE_FROM                     = itab_key-bldat
       I_DATE_TO                       = sy-datum
    IMPORTING
      E_DAYS                          = itab_key-due
     E_MONTHS                        = months
    E_YEARS                         = years
   EXCEPTIONS
     PLAUSIBILITY_CHECK_FAILED       = 1
     OTHERS                          = 2
   IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
   ENDIF.
append itab_key.
endloop.
    d_fieldcat_wa-fieldname = 'DUE'.
    d_fieldcat_wa-seltext_l = 'DUE DATE'.
    d_fieldcat_wa-col_pos = 7.
    append d_fieldcat_wa to d_fieldcat.
    clear d_fieldcat_wa.
    data : gd_repid like sy-repid.
    gd_repid = sy-repid.
    CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
     EXPORTING
      I_INTERFACE_CHECK                 = ' '
      I_BYPASSING_BUFFER                = ' '
      I_BUFFER_ACTIVE                   = ' '
       I_CALLBACK_PROGRAM                = gd_repid
      I_CALLBACK_PF_STATUS_SET          = ' '
      I_CALLBACK_USER_COMMAND           = ' '
      I_CALLBACK_TOP_OF_PAGE            = ' '
      I_CALLBACK_HTML_TOP_OF_PAGE       = ' '
      I_CALLBACK_HTML_END_OF_LIST       = ' '
      I_STRUCTURE_NAME                  =
      I_BACKGROUND_ID                   = ' '
      I_GRID_TITLE                      =
      I_GRID_SETTINGS                   =
      IS_LAYOUT                         =
       IT_FIELDCAT                       = d_fieldcat
      IT_EXCLUDING                      =
      IT_SPECIAL_GROUPS                 =
      IT_SORT                           =
      IT_FILTER                         =
      IS_SEL_HIDE                       =
      I_DEFAULT                         = 'X'
      I_SAVE                            = ' '
      IS_VARIANT                        =
      IT_EVENTS                         =
      IT_EVENT_EXIT                     =
      IS_PRINT                          =
      IS_REPREP_ID                      =
      I_SCREEN_START_COLUMN             = 0
      I_SCREEN_START_LINE               = 0
      I_SCREEN_END_COLUMN               = 0
      I_SCREEN_END_LINE                 = 0
      I_HTML_HEIGHT_TOP                 = 0
      I_HTML_HEIGHT_END                 = 0
      IT_ALV_GRAPHICS                   =
      IT_HYPERLINK                      =
      IT_ADD_FIELDCAT                   =
      IT_EXCEPT_QINFO                   =
      IR_SALV_FULLSCREEN_ADAPTER        =
    IMPORTING
      E_EXIT_CAUSED_BY_CALLER           =
      ES_EXIT_CAUSED_BY_USER            =
      TABLES
        T_OUTTAB                          = itab_key[]
    EXCEPTIONS
      PROGRAM_ERROR                     = 1
      OTHERS                            = 2
    IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
    ENDIF.
Urgent plz help me....!!
Regards
Asha

Check the following code for subtract years/months/date from particular date:
DATA: EDAYS LIKE VTBBEWE-ATAGE,
EMONTHS LIKE VTBBEWE-ATAGE,
EYEARS LIKE VTBBEWE-ATAGE.
PARAMETERS: FROMDATE LIKE VTBBEWE-DBERVON,
TODATE LIKE VTBBEWE-DBERBIS DEFAULT SY-DATUM.
call function 'FIMA_DAYS_AND_MONTHS_AND_YEARS'
exporting
i_date_from = FROMDATE
i_date_to = TODATE
I_FLG_SEPARATE = ' '
IMPORTING
E_DAYS = EDAYS
E_MONTHS = EMONTHS
E_YEARS = EYEARS.
WRITE:/ 'Difference in Days ', EDAYS.
WRITE:/ 'Difference in Months ', EMONTHS.
WRITE:/ 'Difference in Years ', EYEARS.
INITIALIZATION.
FROMDATE = SY-DATUM - 60.
For difference between two dates.
data : date1 like sy-datum,
date2 like sy-datum,
diff(10 ) type c.
date1 = '20071003'.
date2 = '20071104' .
CALL FUNCTION 'DAYS_BETWEEN_TWO_DATES'
EXPORTING
I_DATUM_BIS = date1
I_DATUM_VON = date2
I_KZ_EXCL_VON = '0'
I_KZ_INCL_BIS = '0'
I_KZ_ULT_BIS = ' '
I_KZ_ULT_VON = ' '
I_STGMETH = '0'
I_SZBMETH = '1'
IMPORTING
E_TAGE = diff
EXCEPTIONS
DAYS_METHOD_NOT_DEFINED = 1
OTHERS = 2
IF SY-SUBRC <> 0 .
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF .

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Doubt on function module

in function module how to export all the fields in a table ..
i.e. i am giving these fields..
in
IMPORT
P_EBELN LIKE EKKO-EBELN
IN
EXPORT
BUKRS LIKE EKKO-BUKRS
and in source code
SELSCT SINGLE BUKRS INTO BUKRS
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Hi
See the doc on fun modules and create accordingly
Function Modules;
Check this matter.
Function Modules are Global ABAP programs created by SAP for reusable purpose.they have IMPORT,EXPORT and TABLE parameters, and EXCEPTIONS to through when error occurs.
You can create them from TCode SE37.
Go through the following doc:
Function modules are cross-program, reusable procedures that are organized into function groups, and whose functions are implemented between the statements FUNCTION and ENDFUNCTION. Function modules and their interfaces are created in the Function Builder.
Function Module Interfaces
The parameter interface of a function module is defined in the Function Builder. It includes the definition of interface parameters and the specification of exceptions that can be triggered by a function module. The Function Builder automatically generates comment lines below the FUNCTION statement in the source code of the function module, which represent the interface of the function module with the following syntax:
Syntax
... [IMPORTING parameters]
[EXPORTING parameters]
[CHANGING parameters]
[TABLES table_parameters]
[{RAISING|EXCEPTIONS} exc1 exc2 ...]
The syntax and semantics of IMPORTING, EXPORTING, CHANGING, RAISING, and EXCEPTIONS mainly correspond to the definition of method interfaces with [CLASS-]METHODS. The additional option of defining table parameters using TABLES is obsolete.
Interface parameters
The interface parameters are defined on the relevant tab pages in the Function Builder.
IMPORTING parameters are input parameters. When the function module is called, a suitable actual parameter must be specified for every non-optional input parameter. The content of the actual parameter is passed to the input parameter when the call is made. The content of an input parameter for which 'pass by reference' is defined cannot be changed in the function module.
EXPORTING parameters are output parameters. When the function module is called, a suitable actual parameter can be specified for every output parameter. The content of an output parameter that is defined for 'pass by value' is transferred to the actual parameter if the function module is completed without errors. An output parameter that is defined for pass by reference is not initialized when the function module is called.
CHANGING parameters are input and output parameters. When the function module is called, a suitable actual parameter must be specified for every non-optional input or output parameter. When the function module is called, the content of the actual parameter is passed to the input/output parameter, and when the function module is completed, the content of the input/output parameter is passed to the actual parameter.
TABLES parameters are table parameters. Table parameters are obsolete CHANGING parameters that are typed as standard tables with a header line. If an internal table without a header line or a table body is passed as an actual parameter to a formal parameter of this type, an empty local header line is generated in the function module. If an internal table with a header line is used as an actual parameter, both the table body and the header line are passed to the function module. Pass by value is not possible in formal parameters defined using TABLES. Formal parameters defined with TABLES can be replaced by formal parameters defined with CHANGING. A local work area can be created for the internal table in the function module by using the addition LIKE LINE OF itab of the DATA statement.
Exceptions
The exception of a function module are defined on the Exceptions tab page in the Function Builder. Here you can select exception classes to define whether class-based exceptions are declared or non-class-based exception are defined. Class-based exceptions are represented in the above syntax by RAISING, and non-class-based exceptions are represented by EXCEPTIONS.
The addition RAISING is used to declare class-based exceptions that can be propagated from the function module to the caller. Exceptions in the categories CX_STATIC_CHECK and CX_DYNAMIC_CHECK must be explicitly declared, otherwise a propagation can lead to an interface violation. A violation of the interface leads to the treatable exception CX_SY_NO_HANDLER. Exceptions of the category CX_NO_CHECK are implicitly always declared. The declaration of exceptions of the category CX_STATIC_CHECK is statically checked in the syntax check. For exceptions of the category CX_DYNAMIC_CHECK, the check is not performed until runtime. In a function module in which class-based exceptions are declared with the RAISING addition, the statement CATCH SYSTEM-EXCEPTIONS cannot be used. Instead, the relevant treatable exceptions should be handled in a TRY control structure.
The addition EXCEPTIONS is used to define a list of non-class-based exceptions that can be triggered in the function module using the statements RAISE or MESSAGE RAISING. Exceptions defined in this way - as with formal parameters - are bound to the function module and cannot be propagated. If an exception of this type is triggered in a function module, and no return value has been assigned to it with the homonymous addition EXCEPTIONS of the CALL FUNCTION statement when the call was made, this leads to a runtime error.
Note
For new developments after release 6.10, SAP recommends that you work with class-based exceptions that are independent of the function module.
RFC is a technology which is used to access a functions (Modules) from
the remote systems.
If a function module is set as remote enabled which can be access from
the remote system via RFC.Eg: U can access the Remote enabled function modules in ur VB,Webdynpro,Java,Visual composer program.
A function module can be set as remote enabled by SE37->Go to ur FM->click the option Button "remote enabled".
But Normal function modules can not accessd from the remote system.
Good Example for RFC enabled function module is : BAPI(Business Application Programming Interface)
Note: All BAPIs are Remote enabled but not all remote enabled function modules are BAPI.
CALLING A FUNCTION MODULE:
1)In U ABAP Editor --> Click "Patter" ---> Selection Option Button "Call Function"
--> Write the Corresponding FM name --> Hit Enter
2)The appropriate import ,export Parameters will be displayed in ur editor
3)Pass the Values Here.
Also check these links.
http://www.geocities.com/victorav15/sapr3/abapfun.html
Check this link:
http://help.sap.com/saphelp_erp2004/helpdata/en/9f/db988735c111d1829f0000e829fbfe/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/ef/d94b78ebf811d295b100a0c94260a5/frameset.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/43/41341147041806e10000000a1553f6/frameset.htm
Check this link:
http://help.sap.com/saphelp_erp2004/helpdata/en/9f/db988735c111d1829f0000e829fbfe/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/ef/d94b78ebf811d295b100a0c94260a5/frameset.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/43/41341147041806e10000000a1553f6/frameset.htm
See the following links:
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_erp2005vp/helpdata/en/9f/db970e35c111d1829f0000e829fbfe/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/26/64f623fa8911d386e70000e82011b8/content.htm
<b>Reward points for useful Answers</b>
Regards
Anji

Doubt In Function module : Write_Form_Lines in Sap Scripts

Friends,
I wanted to know for what purpose the funtion module Write_Form_Lines is used in SAP SCRIPTS.
Regards
Yamini

From SAP documentation:
The function module outputs the text lines in table LINES into the specified form window. The text lines must have the SAPscript ITF format. From the data in the text header, the system uses only the field TDSTYLE to apply the formatting attributes defined in the specified style for this text. If the field is empty, the system uses the identically named formatting attributes (character and paragraph formats) of the form.
Use parameter WINDOW to specify into which of the windows defined in the form you want to output the text. You can specify any window used in the form. The parameter FUNCTION determines how to merge the text lines to be output with any existing contents in the window. There are differences between the different window types or areas.
Prabhu Rajesh.

USE of Function module-- urgent

hi,
can any one explain the use of "OPEN_FI_PERFORM_00002050_P "
thnx

hi,
go to se37,
and give fm name,
display,
and then u can see function module documentation.
reward points if helpful.

Function module - Urgent

Hi Friends,
I have a statement as below in one function module :
      SELECT a~matnr
        INTO TABLE t_mast
        FROM mast AS a
       INNER JOIN stko AS k
          ON astlnr EQ kstlnr
         AND astlal EQ kstlal
       WHERE a~werks eq plant
         AND a~stlal eq alt
         AND k~datuv EQ date .
Import parameters are : Plant , Alt and Date.
Here the problem is while I am executing the f/m it is giving the correct values only if input all the input parameters Plant,Alt and Date.If I give Plant and Alt as blank then it is not giving any values from the table.
Could you please telme the resolution for this.
Regards,
Vishnu.
If I am not

You can overcome from this problem by using the RANGES.
Like:
ranges: r_alt for mast-stlal,
        r_date for stko-datuv,
        r_plant for mast-werks.
if not alt is initial.
r_alt-sign = 'I'.
r_alt-option = 'EQ'.
r_alt-low = alt.
append r_alt.
endif.
if not date is initial.
r_date-sign = 'I'.
r_date-option = 'EQ'.
r_date-low = date.
append r_date.
endif.
if not plant is initial.
r_plant-sign = 'I'.
r_plant-option = 'EQ'.
r_plant-low = plant.
append r_plant.
endif.
SELECT a~matnr
INTO TABLE t_mast
FROM mast AS a
INNER JOIN stko AS k
ON a~stlnr EQ k~stlnr
AND a~stlal EQ k~stlal
WHERE a~werks in r_plant
AND a~stlal in r_alt
AND k~datuv in r_date.
Regards,
Naimesh Patel

Doubt on Function Modules

Hi Experts,
I am creating one user defind function module. When i am giving table parameters,
For example
git_out like vbak
it shows the error tables are obsolete..
Please can any one tell me whats that error and any one tell me how to do that one..
Thanks in Advance
Thanks and Regards
Srihari.

Hi,
As suggsted you need to move the parameter to CHANGING parameters.
Since you are referenceing VBAK, but need a table, you need to refer the parameter to a table type.
Hence in CHANGING parameter you put as so:
git_out TYPE TAB_VBAK.
After this, you would have to create a work area for the table in the code and always loop at the git_out into this work area for all operations.
The work area should have type VBAK.
Also, when calling the FM from program, you need to pass the body of the internal table to this parameter, i.e. if internal table is it_vbak, then you need to pass it_vbak[].
Regards,
Aditya
Edited by: Aditya Laud on Feb 5, 2008 6:50 AM

ABOUT FUNCTION MODULE (urgent)

hi ,
is any one know about below function module.
CUST_ACCT_STMT_REQUEST_LITE
we schedule customer account statement in th background.
we want to add some functionality.
if any one know anything then it will be appreciated.
thans,
jack

Hi,
I am giving the Function Modules list link, from there you can findout which is suitable for your application:
http://sap-img.com/abap/function-list.htm
Regards,
Bhaskar

Deleted function module--urgent

Hi all,
By mistake i deleted a z* function module. From version management when i cannot get the function module back. when i press the retrieve button i got an error message saying " deleted function module cannot be recovered".
So please help me in recovering the function module.
Thanks in advance
Regards
Sree

Hi Srinivas,
I am checking old programs that are going to be copied to new upgrade version... one of them calls a FM that no longer exist, I guess that it was deleted...
I am looking for a way to find a deleted FM (if it was deleted), I just have the FM name, but I don't have the function group.
I guess that without it, it isn't possible to retrieve any old version, if there is one, is it?
Maybe looking in a table? looking for any change request (by the way, my user do not have authorization for SE03).
Regards.
José Gabriel.

Re:Function modules: urgent

Hi,
Iam copying the standard function module, i have copied the function group also but the includes, subroutines are not getting copied, already my team created function group , the same function group name i gave, any one can help me in this issue
Thanks in advance

Hi
Go to se84 Tcode in the left side pane select Program Library and in that select Function Groups, then in the right side pane give ur Function group name and execute, then click the check box of ur function group name and in the menu select Function Groups - Copy and then give the new Function Group name which should with either Z or Y, then it will ask u whether to copy the Function modules or not, click on ok. The Function Modules belong to that Function Group gets copied into ur new Function Group.
Regards
Haritha.

Doubt in function module...Urgent!!

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