topic Re: bapi sample code in Application Development and Automation Discussions

http://www.planetsap.com/LIST_ALL_BAPIs.htm

BAPI's

http://www.sappoint.com/abap/bapiprg.pdf

http://www.sappoint.com/abap/bapiactx.pdf

http://www.sappoint.com/abap/bapilst.pdf

http://www.sappoint.com/abap/bapiexer.pdf

http://service.sap.com/ale

http://service.sap.com/bapi

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCMIDAPII/CABFAAPIINTRO.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/CABFABAPIREF/CABFABAPIPG.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCFESDE8/BCFESDE8.pdf

http://www.planetsap.com/Bapi_main_page.htm

http://www.topxml.com/sap/sap_idoc_xml.asp

http://www.sapdevelopment.co.uk/

http://www.sapdevelopment.co.uk/java/jco/bapi_jco.pdf

www.sappoint.com/abap/bapiintro.pdf

www.sap-img.com/bapi.htm

www.sap-img.com/abap/bapi-conventions.htm

www.planetsap.com/Bapi_main_page.htm

www.sapgenie.com/abap/bapi/index.htm

http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci948835,00.html

http://techrepublic.com.com/5100-6329-1051160.html#

http://help.sap.com/saphelp_nw2004s/helpdata/en/7e/5e114a4a1611d1894c0000e829fbbd/frameset.htm

http://help.sap.com/saphelp_46c/helpdata/en/9b/417f07ee2211d1ad14080009b0fb56/frameset.htm

http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci948835,00.html

http://techrepublic.com.com/5100-6329-1051160.html#

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCMIDAPII/CABFAAPIINTRO.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/CABFABAPIREF/CABFABAPIPG.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCFESDE8/BCFESDE8.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/CABFABAPIREF/CABFABAPIPG.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCMIDAPII/CABFAAPIINTRO.pdf

http://techrepublic.com.com/5100-6329-1051160.html#

http://help.sap.com/saphelp_46c/helpdata/en/9b/417f07ee2211d1ad14080009b0fb56/frameset.htm

BAPI

http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci948835,00.html

Checkout !!

http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci948835,00.html

http://techrepublic.com.com/5100-6329-1051160.html#

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCMIDAPII/CABFAAPIINTRO.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/CABFABAPIREF/CABFABAPIPG.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCFESDE8/BCFESDE8.pdf

http://www.planetsap.com/LIST_ALL_BAPIs.htm

http://www.sappoint.com/abap/bapiprg.pdf

http://www.sappoint.com/abap/bapiactx.pdf

http://www.sappoint.com/abap/bapilst.pdf

http://www.sappoint.com/abap/bapiexer.pdf

http://service.sap.com/ale

http://service.sap.com/bapi

http://www.geocities.com/mpioud/Abap_programs.html

http://www.sapdevelopment.co.uk/reporting/reportinghome.htm

Rewards Points if Useful

Regards

Gokul

Re: bapi sample code

Former Member — Thu, 06 Sep 2007 05:01:42 GMT

check out below link this is best for beginners:

<a href="http://www.saptechnical.com/Tutorials/BAPI/BAPIMainPage.htm">http://www.saptechnical.com/Tutorials/BAPI/BAPIMainPage.htm</a>

I also have one PDF doc using BAPI and JCo .

if you want let me know your email id.

bye,

Vikrant

Re: bapi sample code

Former Member — Thu, 06 Sep 2007 06:47:18 GMT

hi,

See the simple example :

REPORT ZBAPI.

DATA: BEGIN OF i_data OCCURS 0,

text(255),

END OF i_data.

DATA: i_ekko TYPE bapiekkoc.

DATA: it_ekko LIKE TABLE OF i_ekko INITIAL SIZE 0 WITH HEADER LINE.

DATA: BEGIN OF i_ekpo OCCURS 0,

po_item(5),

pur_mat(18),

plant(4),

net_price(23),

disp_quan(13),

END OF i_ekpo.

DATA: it_ekpo LIKE TABLE OF bapiekpoc INITIAL SIZE 0 WITH HEADER LINE .

DATA: BEGIN OF i_eket OCCURS 0,

po_item(5),

deliv_date(8),

quantity(13),

END OF i_eket.

DATA: it_eket LIKE TABLE OF bapieket INITIAL SIZE 0 WITH HEADER LINE.

DATA: v_index TYPE i.

DATA: return TYPE TABLE OF bapireturn INITIAL SIZE 0 WITH HEADER LINE.

DATA: po_num(10).

START-OF-SELECTION.

CALL FUNCTION 'UPLOAD'

EXPORTING
CODEPAGE = ' '
FILENAME = ' '
FILETYPE = ' '
ITEM = ' '
FILEMASK_MASK = ' '
FILEMASK_TEXT = ' '
FILETYPE_NO_CHANGE = ' '
FILEMASK_ALL = ' '
FILETYPE_NO_SHOW = ' '
LINE_EXIT = ' '
USER_FORM = ' '
USER_PROG = ' '
SILENT = 'S'
IMPORTING
FILESIZE =
CANCEL =
ACT_FILENAME =
ACT_FILETYPE =

TABLES

data_tab = i_data

EXCEPTIONS
CONVERSION_ERROR = 1
INVALID_TABLE_WIDTH = 2
INVALID_TYPE = 3
NO_BATCH = 4
UNKNOWN_ERROR = 5
GUI_REFUSE_FILETRANSFER = 6
OTHERS = 7

IF sy-subrc <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

loop at i_data.

if i_data-text(1) = 'H'.

shift i_data-text.

v_index = v_index + 1.

split i_data-text at ',' into i_ekko-doc_type

i_ekko-purch_org

i_ekko-pur_group

i_ekko-vendor.

append i_ekko to it_ekko.

elseif i_data-text(1) = 'I'.

shift i_data-text.

split i_data-text at ',' into i_ekpo-po_item

i_ekpo-pur_mat

i_ekpo-plant

i_ekpo-net_price

i_ekpo-disp_quan.

append i_ekpo.

move-corresponding i_ekpo to it_ekpo.

append it_ekpo.

clear it_ekpo.

else.

shift i_data-text.

split i_data-text at ',' into i_eket-po_item

i_eket-deliv_date

i_eket-quantity.

append it_eket .

move-corresponding i_eket to it_eket.

append it_eket.

clear it_eket.

endif.

endloop.

CALL FUNCTION 'BAPI_PO_CREATE'

EXPORTING

po_header = i_ekko

PO_HEADER_ADD_DATA =
HEADER_ADD_DATA_RELEVANT =
PO_ADDRESS =
SKIP_ITEMS_WITH_ERROR = 'X'
ITEM_ADD_DATA_RELEVANT =
HEADER_TECH_FIELDS =
IMPORTING
PURCHASEORDER =

tables

po_items = it_ekpo

PO_ITEM_ADD_DATA =

po_item_schedules = it_eket

PO_ITEM_ACCOUNT_ASSIGNMENT =
PO_ITEM_TEXT =

RETURN = return

PO_LIMITS =
PO_CONTRACT_LIMITS =
PO_SERVICES =
PO_SRV_ACCASS_VALUES =
PO_SERVICES_TEXT =
PO_BUSINESS_PARTNER =
EXTENSIONIN =
POADDRDELIVERY =

write: po_num.

loop at return.

write:/ return-message,return-type.

endloop.

Re: bapi sample code

Former Member — Thu, 06 Sep 2007 09:13:19 GMT

sample code for DELETING PURCHASE ORDERS

REPORT ZMMR_DELETEPO NO STANDARD PAGE HEADING MESSAGE-ID zisb.

tables : zvtls_sap.

*C-- Types Declarations

TYPES : BEGIN OF tp_flatfile_vtls,

ebeln(10),

ebelp type ekpo-ebelp,

END OF tp_flatfile_vtls.

*=====================================================================

INTERNAL TABLES DECLARATION

*=====================================================================

DATA: t_flatfile_vtls TYPE tp_flatfile_vtls OCCURS 0 WITH HEADER LINE.

data : begin of t_sapdata occurs 0,

po like zvtls_sap-posap,

item like zvtls_sap-itemsap,

end of t_sapdata.

data : begin of t_flatfile_vtls1 occurs 0,

po(10),

item like zvtls_sap-itemsap,

end of t_flatfile_vtls1.

data : begin of t_update occurs 0,

mandt like zvtls_sap-mandt,

povtls like zvtls_sap-povtls,

itemvtls like zvtls_sap-itemvtls,

posap like zvtls_sap-posap,

itemsap like zvtls_sap-itemsap,

aedat like zvtls_sap-aedat,

paedt like zvtls_sap-paedt,

loekz like zvtls_sap-loekz,

end of t_update.

data : begin of t_poheader occurs 0,

po like zvtls_sap-posap,

end of t_poheader.

data : begin of t_poitem occurs 0,

po like zvtls_sap-posap,

item like zvtls_sap-itemsap,

end of t_poitem.

DATA : BEGIN OF T_MESSAGE OCCURS 0,

MSGTY,

MSGID(2),

MSGNO(3),

MSGTX(100),

PO like zvtls_sap-povtls,

item like zvtls_sap-itemvtls,

END OF T_MESSAGE.

DATA : BEGIN OF t_bapi_poheader OCCURS 0.

INCLUDE STRUCTURE bapimepoheader.

DATA : END OF t_bapi_poheader.

DATA : BEGIN OF t_bapi_poheaderx OCCURS 0.

INCLUDE STRUCTURE bapimepoheaderx.

DATA : END OF t_bapi_poheaderx.

DATA : BEGIN OF t_bapi_poitem OCCURS 0.

INCLUDE STRUCTURE bapimepoitem.

DATA : END OF t_bapi_poitem.

DATA : BEGIN OF t_bapi_poitemx OCCURS 0.

INCLUDE STRUCTURE bapimepoitemx.

DATA : END OF t_bapi_poitemx.

DATA : BEGIN OF t_bapireturn OCCURS 0.

INCLUDE STRUCTURE bapiret2.

DATA : END OF t_bapireturn.

*=====================================================================

V A R I A B L E S

*=====================================================================

DATA: w_success(6) TYPE n,

w_bklas like t023-bklas,

w_curryear(4),

w_begda like sy-datum,

w_endda like sy-datum,

w_begyr(4),

w_endyr(4),

w_currmon(2),

w_assetclass like ankt-anlkl,

w_price type p,

w_recordsap type i,

w_povtls(10),

w_count type i.

DATA: w_filepath TYPE rlgrap-filename,

w_rc TYPE sy-subrc,

w_sscrfields_ucomm1 TYPE sscrfields-ucomm,

w_file1 TYPE string,

w_file2 TYPE FILENAME-FILEINTERN.

*=====================================================================

C O N S T A N T S

*=====================================================================

CONSTANTS: c_x TYPE c VALUE 'X',

c_hyp TYPE c VALUE '-',

c_err TYPE bdc_mart VALUE 'E'.

CONSTANTS: c_slash(1) TYPE c VALUE '/',

c_hash(1) TYPE c VALUE '#',

c_pipe TYPE c VALUE '|',

c_1 TYPE i VALUE 1,

c_zero TYPE n VALUE '0',

c_rg1(3) TYPE c VALUE 'rg1',

c_gr3(3) TYPE c VALUE 'GR3',

c_gr2(3) TYPE c VALUE 'GR2',

c_e(1) TYPE c VALUE 'E',

c_filepath(8) TYPE c VALUE '/interf/',

c_filetype(10) TYPE c VALUE 'ASC'.

CONSTANTS : c_bapimepoheaderx TYPE x030l-tabname

VALUE 'bapimepoheaderx',

c_bapimepoitem TYPE x030l-tabname

VALUE 'bapimepoitem',

c_bapimepoaccount TYPE x030l-tabname

VALUE 'bapimepoaccount',

c_t_bapi_poheader(15) TYPE c

VALUE 't_bapi_poheader',

c_t_bapi_poitem(13) TYPE c

VALUE 't_bapi_poitem',

c_t_bapi_poitemx(14) TYPE c

VALUE 't_bapi_poitemx',

c_t_bapi_poheaderx(16) TYPE c

VALUE 't_bapi_poheaderx'.

CLASS cl_abap_char_utilities DEFINITION LOAD.

CONSTANTS:con_tab TYPE c VALUE cl_abap_char_utilities=>horizontal_tab.

*======================================================================

SELECTION SCREEN

*======================================================================

SELECTION-SCREEN BEGIN OF BLOCK inputpath WITH FRAME TITLE text-001.

SELECTION-SCREEN : BEGIN OF BLOCK blk2 WITH FRAME TITLE text-002.

PARAMETERS : p_fore RADIOBUTTON GROUP rg1

USER-COMMAND pc,

p_back RADIOBUTTON GROUP rg1 DEFAULT 'X'.

SELECTION-SCREEN : END OF BLOCK blk2.

SELECTION-SCREEN : BEGIN OF BLOCK blk1 WITH FRAME TITLE text-003.

PARAMETERS : p_file1 LIKE rlgrap-filename OBLIGATORY MODIF ID gr2.

PARAMETERS : p_afile1 LIKE rlgrap-filename OBLIGATORY MODIF ID gr3.

SELECTION-SCREEN : END OF BLOCK blk1.

SELECTION-SCREEN END OF BLOCK inputpath.

*C-- Initialization Event

INITIALIZATION.

CLEAR w_filepath.

CONCATENATE c_filepath sy-sysid c_slash sy-mandt c_slash INTO

w_filepath.

CONDENSE w_filepath NO-GAPS.

p_file1 = text-008.

p_afile1 = text-009.

*======================================================================

SELECTION SCREEN EVENTS

*======================================================================

*C-- Selection Screen Output

AT SELECTION-SCREEN OUTPUT.

IF p_fore = c_x.

w_sscrfields_ucomm1 = space.

ELSE.

w_sscrfields_ucomm1 = c_rg1.

ENDIF.

LOOP AT SCREEN.

*C--Modify selection screen if presentation

*C--or application server radio button is chosen

IF w_sscrfields_ucomm1 = space.

IF screen-group1 = c_gr3.

screen-active = c_zero.

ENDIF.

ELSE.

IF screen-group1 = c_gr2.

screen-active = c_zero.

ENDIF.

if screen-name = 'P_AFILE1'.

screen-input = 0.

ENDIF.

MODIFY SCREEN.

ENDLOOP.

*C-- Selection Screen VALUE-REQUEST FOR File path

AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file1.

IF p_fore EQ c_x.

CALL FUNCTION 'F4_FILENAME'

EXPORTING

program_name = syst-cprog

dynpro_number = syst-dynnr

IMPORTING

file_name = p_file1.

ENDIF.

*C-- At Start of the Selection Process

START-OF-SELECTION.

IF p_fore EQ c_x.

w_file1 = p_file1.

ELSE.

w_file2 = p_afile1.

ENDIF.

IF p_fore EQ c_x. " Presentaion Server

*C--Validations for the input files

PERFORM validate_pre_file USING p_file1.

*C-- Load the contents of the input file into the internal table

PERFORM upload_file TABLES t_flatfile_vtls

USING w_file1

CHANGING w_rc.

IF w_rc <> 0.

MESSAGE s006 DISPLAY LIKE c_e.

ENDIF.

ELSE. " Application Server

*C--Validations for the input files

PERFORM validate_app_file USING w_file2.

*C-- Load the contents of the input file into the internal table

PERFORM upload_file_app TABLES t_flatfile_vtls

USING w_file2

CHANGING w_rc.

ENDIF.

loop at t_flatfile_vtls.

CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'

EXPORTING

input = t_flatfile_vtls-ebeln

IMPORTING

output = t_flatfile_vtls1-po.

CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'

EXPORTING

input = t_flatfile_vtls-ebelp

IMPORTING

output = t_flatfile_vtls1-item.

append t_flatfile_vtls1.

clear t_flatfile_vtls1.

endloop.

perform get_podata.

loop at t_poheader.

perform move_to_bapi.

perform call_bapi.

endloop.

PERFORM STORE_MESSAGES TABLES T_MESSAGE.

*&----

*& Form validate_pre_file

*&----

Routine to validate presentation server file path.

*----

-->fp_name text

*----

FORM validate_pre_file USING fp_name TYPE rlgrap-filename.

DATA : l_result,

l_filename TYPE string.

l_filename = fp_name.

CLEAR l_result.

CALL METHOD cl_gui_frontend_services=>file_exist

EXPORTING

file = l_filename

RECEIVING

result = l_result

EXCEPTIONS

cntl_error = 1

error_no_gui = 2

wrong_parameter = 3

not_supported_by_gui = 4

OTHERS = 5.

IF sy-subrc <> 0.

MESSAGE s007 DISPLAY LIKE c_e.

LEAVE LIST-PROCESSING.

ELSEIF l_result IS INITIAL.

MESSAGE s008 DISPLAY LIKE c_e.

LEAVE LIST-PROCESSING.

ENDIF.

ENDFORM. " validate_pre_file_hdr

*&----

*& Form validate_app_file

*&----

text - Checks if the path entered and filename is correct

*----

FORM validate_app_file USING fp_file TYPE FILENAME-FILEINTERN.

data : l_fname(60).

CALL FUNCTION 'FILE_GET_NAME'

EXPORTING

LOGICAL_FILENAME = FP_FILE

OPERATING_SYSTEM = SY-OPSYS

IMPORTING

FILE_NAME = L_FNAME

EXCEPTIONS

FILE_NOT_FOUND = 1

OTHERS = 2.

IF SY-SUBRC = '0'.

OPEN DATASET L_FNAME FOR INPUT IN TEXT MODE ENCODING DEFAULT.

IF sy-subrc NE 0.

MESSAGE s007 DISPLAY LIKE c_e.

ELSE.

CLOSE DATASET l_fname.

ENDIF.

ENDFORM. " validate_app_file

*&----

*& Form upload_file

*&----

Routine to upload data from file to tables.

*----

-->P_fp_flatfile
-->P_fp_file
<--P_fp_rc

*----

FORM upload_file TABLES fp_flatfile

USING fp_file TYPE string

CHANGING fp_rc TYPE sy-subrc.

IF fp_flatfile[] IS INITIAL.

CALL FUNCTION 'GUI_UPLOAD'

EXPORTING

filename = fp_file

filetype = c_filetype

has_field_separator = c_x

TABLES

data_tab = fp_flatfile

EXCEPTIONS

file_open_error = 1

file_read_error = 2

no_batch = 3

gui_refuse_filetransfer = 4

invalid_type = 5

no_authority = 6

unknown_error = 7

bad_data_format = 8

header_not_allowed = 9

separator_not_allowed = 10

header_too_long = 11

unknown_dp_error = 12

access_denied = 13

dp_out_of_memory = 14

disk_full = 15

dp_timeout = 16

OTHERS = 17.

MOVE sy-subrc TO fp_rc.

ENDIF.

ENDFORM. " upload_file

&----

*& Form upload_file_app

&----

text

----

-->FP_FLATFILEtext
-->FP_FILE text
-->FP_RC text

----

FORM upload_file_app TABLES fp_flatfile

USING fp_file TYPE FILENAME-FILEINTERN

CHANGING fp_rc TYPE sy-subrc.

DATA: l_string TYPE tedata-data.

DATA: wa_data_file TYPE tp_flatfile_vtls,

l_wllength TYPE i,

FNAME(60).

CALL FUNCTION 'FILE_GET_NAME'

EXPORTING

LOGICAL_FILENAME = FP_FILE

OPERATING_SYSTEM = SY-OPSYS

IMPORTING

FILE_NAME = FNAME

EXCEPTIONS

FILE_NOT_FOUND = 1

OTHERS = 2.

IF SY-SUBRC = 0.

OPEN DATASET FNAME FOR INPUT IN TEXT MODE ENCODING DEFAULT.

IF sy-subrc NE 0.

*C-- commented by Bikash
MESSAGE s107(yaero_ps) DISPLAY LIKE c_e.

message e008.

ELSE.

DO.

CLEAR: l_string.

READ DATASET FNAME INTO l_string LENGTH l_wllength.

IF sy-subrc NE 0.

EXIT.

ELSE.

SPLIT l_string AT con_tab INTO wa_data_file-ebeln

wa_data_file-ebelp.

APPEND wa_data_file TO fp_flatfile.

ENDIF.

ENDDO.

CLOSE DATASET FNAME.

ENDIF.

ENDFORM. " upload_file_app

&----

*& Form get_podata

&----

text

----

form get_podata.

select *

into table t_update

from zvtls_sap

for all entries in t_flatfile_vtls1

where itemvtls = t_flatfile_vtls1-item

and povtls = t_flatfile_vtls1-po.

sort t_update by posap itemsap.

loop at t_update.

at new posap.

t_poheader-po = t_update-posap.

append t_poheader.

clear t_poheader.

endat.

t_poitem-po = t_update-posap.

t_poitem-item = t_update-itemsap.

append t_poitem.

clear t_poitem.

t_update-paedt = sy-datum.

t_update-loekz = 'X'.

modify t_update.

endloop.

modify zvtls_sap from table t_update.

endform. "get_podata

&----

*& Form move_to_bapi

&----

text

----

form move_to_bapi.

t_bapi_poheader-po_number = t_poheader-po.

CLEAR t_bapi_poheaderx.

PERFORM fill_check_structure USING c_bapimepoheaderx

c_t_bapi_poheader

c_t_bapi_poheaderx

c_x.

refresh : t_bapi_poitem,t_bapi_poitemx.

loop at t_poitem where po = t_poheader-po.

clear t_bapi_poitem.

t_bapi_poitem-po_item = t_poitem-item.

t_bapi_poitem-delete_ind = 'X'.

CLEAR t_bapi_poitemx.

PERFORM fill_check_structure USING c_bapimepoitem

c_t_bapi_poitem

c_t_bapi_poitemx

c_x.

t_bapi_poitemx-po_item = t_poitem-item.

t_bapi_poitemx-po_itemx = c_x.

APPEND t_bapi_poitem.

APPEND t_bapi_poitemx.

clear t_bapi_poitem.

clear t_bapi_poitemx.

endloop.

endform. "move_to_bapi

*&----

*& Form call_bapi

*&----

This form Routine is used to commit the data records

----

FORM call_bapi .

DATA : l_msgty TYPE c,

l_msgid(2) TYPE c,

l_msgno(3) TYPE c,

l_msgtx(100) TYPE c,

l_errflag TYPE c.

CLEAR: t_bapireturn.

REFRESH: t_bapireturn.

CALL FUNCTION 'BAPI_PO_CHANGE'

EXPORTING

PURCHASEORDER = T_POHEADER-PO

POHEADER = T_BAPI_POHEADER

POHEADERX = T_BAPI_POHEADERX

TABLES

RETURN = T_BAPIRETURN

POITEM = T_BAPI_POITEM

POITEMX = T_BAPI_POITEMX.

READ TABLE t_bapireturn WITH KEY type = c_err TRANSPORTING NO FIELDS.

IF sy-subrc NE 0.

CALL FUNCTION 'BAPI_TRANSACTION_COMMIT'

EXPORTING

wait = c_x.

ENDIF.

*C-- Write messages

WRITE: / 'PO Number', t_poheader-po.

clear : t_update,w_povtls.

read table t_update with key posap = t_poheader-po.

w_povtls = t_update-povtls.

CLEAR l_errflag.

LOOP AT t_bapireturn.

CLEAR: l_msgty, l_msgid, l_msgno, l_msgtx.

l_msgty = t_bapireturn-type.

l_msgid = t_bapireturn-id.

l_msgno = t_bapireturn-number.

l_msgtx = t_bapireturn-message.

WRITE: / l_msgty, l_msgid, l_msgno, l_msgtx.

if l_msgtx cs t_poheader-po.

w_count = w_count + 1.

loop at t_update.

if sy-tabix = w_count.

t_message-item = t_update-itemvtls.

endif.

endloop.

endif.

t_message-msgty = l_msgty.

t_message-msgid = l_msgid.

t_message-msgno = l_msgno.

t_message-msgtx = l_msgtx.

t_message-po = w_povtls.

append t_message.

clear t_message.

IF l_msgty EQ c_err.

l_errflag = c_x.

ENDIF. " l_msgty EQ 'E'

ENDLOOP.

ULINE.

IF l_errflag NE c_x.

w_success = w_success + 1.

ENDIF. " l_errflag NE C_X

endform. "call_bapi

*&----

*& Form fill_check_structure

*&----

This form Routine will check whether the specified structure
exist/active

*----

FORM fill_check_structure USING fp_tabname TYPE any

fp_orgtabname TYPE any

fp_chktabname TYPE any

fp_check TYPE c.

FIELD-SYMBOLS : <fs_chk>, <fs_org>.

DATA: l_char1(61) TYPE c,

l_char2(61) TYPE c.

DATA: BEGIN OF tl_nametab OCCURS 60.

INCLUDE STRUCTURE x031l.

DATA: END OF tl_nametab.

REFRESH tl_nametab.

CALL FUNCTION 'RFC_GET_NAMETAB'

EXPORTING

tabname = fp_tabname

TABLES

nametab = tl_nametab

EXCEPTIONS

table_not_active = 1

OTHERS = 2.

IF sy-subrc <> 0.

CLEAR tl_nametab.

ENDIF.

LOOP AT tl_nametab.

CLEAR: l_char1, l_char2.

CONCATENATE fp_chktabname c_hyp tl_nametab-fieldname INTO l_char1.

ASSIGN (l_char1) TO <fs_chk>.

CONCATENATE fp_orgtabname c_hyp tl_nametab-fieldname INTO l_char2.

ASSIGN (l_char2) TO <fs_org>.

IF <fs_org> IS NOT INITIAL.

<fs_chk> = fp_check.

ENDIF.

ENDLOOP.

ENDFORM. " fill_check_structure

&----

*& Form STORE_MESSAGES

&----

text

----

-->FP_MESSAGEStext

----

FORM STORE_MESSAGES TABLES FP_MESSAGES STRUCTURE T_MESSAGE.

DATA: wl_output_data LIKE t_MESSAGE.

DATA: l_catstr TYPE string.

DATA: l_fieldvalue TYPE string.

DATA: l_index TYPE i VALUE 1.

DATA: L_FNAME(60).

FIELD-SYMBOLS <fs>.

CLEAR l_catstr.

CALL FUNCTION 'FILE_GET_NAME'

EXPORTING

LOGICAL_FILENAME = '/USR/SAP/VTLS/POCHANGE/LOG'

OPERATING_SYSTEM = SY-OPSYS

IMPORTING

FILE_NAME = L_FNAME

EXCEPTIONS

FILE_NOT_FOUND = 1

OTHERS = 2.

IF SY-SUBRC = '0'.

IF fp_messages[] IS NOT INITIAL.

OPEN DATASET L_FNAME FOR OUTPUT IN TEXT MODE ENCODING DEFAULT.

IF sy-subrc NE 0.

LEAVE LIST-PROCESSING.

ELSE.

LOOP AT fp_messages INTO wl_output_data.

DO.

ASSIGN COMPONENT l_index OF STRUCTURE wl_output_data TO <fs>.

IF sy-subrc <> 0.

EXIT.

ENDIF.

MOVE <fs> TO l_fieldvalue.

IF l_catstr IS NOT INITIAL.

CONCATENATE l_catstr l_fieldvalue INTO l_catstr SEPARATED

BY con_tab.

ELSE.

MOVE l_fieldvalue TO l_catstr.

ENDIF.

l_index = l_index + c_1.

CLEAR l_fieldvalue.

CLEAR <fs>.

ENDDO.

l_index = c_1.

TRANSFER l_catstr TO L_FNAME .

CLEAR wl_output_data.

CLEAR l_catstr.

ENDLOOP.

CLOSE DATASET L_FNAME.

ENDIF.

ENDFORM. "STORE_MESSAGES

also refer

BAPI

http://help.sap.com/saphelp_46c/helpdata/en/9b/417f07ee2211d1ad14080009b0fb56/frameset.htm

http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci948835,00.html

Checkout !!

http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci948835,00.html

http://techrepublic.com.com/5100-6329-1051160.html#

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCMIDAPII/CABFAAPIINTRO.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/CABFABAPIREF/CABFABAPIPG.pdf

http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCFESDE8/BCFESDE8.pdf

List of all BAPIs

http://www.planetsap.com/LIST_ALL_BAPIs.htm