Step by step procedure with scren shot for BAPI?

Question

Hi,
    could u tell me the senario for bapi in real time ?
how to do in realtime ?
any body tellme the step by step procedure with screen shot pls could u help?
i will be waiting for reply.
rehards
eswar

Answer 1

Hi
what is BAPI?
BAPI stands for Business API(Application Program Interface).
A BAPI is remotely enabled function module ie it can be invoked from remote programs like standalone JAVA programs, web interface etc..
You can make your function module remotely enabled in attributes of Function module but
A BAPI are standard SAP function modules provided by SAP for remote access. Also they are part of Businees Objest Repository(BOR).
BAPI are RFC enabled function modules. the difference between RFc and BAPI are business objects. You create business objects and those are then registered in your BOR (Business Object Repository) which can be accessed outside the SAP system by using some other applications (Non-SAP) such as VB or JAVA. in this case u only specify the business object and its method from external system in BAPI there is no direct system call. while RFC are direct system call Some BAPIs provide basic functions and can be used for most SAP business object types. These BAPIs should be implemented the same for all business object types. Standardized BAPIs are easier to use and prevent users having to deal with a number of different BAPIs. Whenever possible, a standardized BAPI must be used in preference to an individual BAPI.
The following standardized BAPIs are provided:
Reading instances of SAP business objects
GetList ( ) With the BAPI GetList you can select a range of object key values, for example, company codes and material numbers.
The BAPI GetList() is a class method.
GetDetail() With the BAPI GetDetail() the details of an instance of a business object type are retrieved and returned to the calling program. The instance is identified via its key. The BAPI GetDetail() is an instance method. BAPIs that can create, change or delete instances of a business object type
The following BAPIs of the same object type have to be programmed so that they can be called several times within one transaction. For example, if, after sales order 1 has been created, a second sales order 2 is created in the same transaction, the second BAPI call must not affect the consistency of the sales order 2. After completing the transaction with a COMMIT WORK, both the orders are saved consistently in the database.
Create( ) and CreateFromData! ( )
The BAPIs Create() and CreateFromData() create an instance of an SAP business object type, for example, a purchase order. These BAPIs are class methods.
Change( )
The BAPI Change() changes an existing instance of an SAP business object type, for example, a purchase order. The BAPI Change () is an instance method.
Delete( ) and Undelete( ) The BAPI Delete() deletes an instance of an SAP business object type from the database or sets a deletion flag.
The BAPI Undelete() removes a deletion flag. These BAPIs are instance methods.
Cancel ( ) Unlike the BAPI Delete(), the BAPI Cancel() cancels an instance of a business object type. The instance to be cancelled remains in the database and an additional instance is created and this is the one that is actually canceled. The Cancel() BAPI is an instance method.
Add<subobject> ( ) and Remove<subobject> ( ) The BAPI Add<subobject> adds a subobject to an existing object inst! ance and the BAPI and Remove<subobject> removes a subobject from an object instance. These BAPIs are instance methods.
BAPI-step by step
http://www.sapgenie.com/abap/bapi/example.htm
just refer to the link below
http://www.sapmaterial.com/?gclid=CN322K28t4sCFQ-WbgodSGbK2g
list of all bapis
http://www.planetsap.com/LIST_ALL_BAPIs.htm
for BAPI's
http://www.sappoint.com/abap/bapiintro.pdf
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
Also refer to the following links..
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
Checkout !!
http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci948835,00.html
http://techrepublic.com.com/5100-6329-1051160.html#
Example Code
U need to give the step_nr, item_nr, cond_count and cond_type so the correct conditon will be updated. If no condition exists for the given parameters, a new condition will be created.
U can find these parameters for a particular condition type in table KONV.
*& Form saveTransactionJOCR
text
--> p1 text
<-- p2 text
FORM saveTransactionJOCR .
data: salesdocument like BAPIVBELN-VBELN,
order_header_inx like bapisdh1x,
order_header_in like bapisdh1,
return type standard table of bapiret2 with header line,
conditions_in type standard table of bapicond with header line,
conditions_inx type standard table of bapicondx with header line,
logic_switch like BAPISDLS,
step_nr like conditions_in-cond_st_no,
item_nr like conditions_in-itm_number,
cond_count like conditions_in-cond_count,
cond_type like conditions_in-cond_type.
salesdocument = wa_order_information-VBELN.
LOGIC_SWITCH-COND_HANDL = 'X'.
order_header_inx-updateflag = 'U'.
conditions
clear conditions_in[].
clear conditions_inx[].
clear: step_nr,
item_nr,
cond_count,
cond_type.
step_nr = '710'.
item_nr = '000000'.
cond_count = '01'.
cond_type = 'ZCP2'.
CONDITIONS_IN-ITM_NUMBER = item_nr.
conditions_in-cond_st_no = step_nr.
CONDITIONS_IN-COND_COUNT = cond_count.
CONDITIONS_IN-COND_TYPE = cond_type.
CONDITIONS_IN-COND_VALUE = 666.
CONDITIONS_IN-CURRENCY = 'EUR'.
append conditions_in.
CONDITIONS_INX-ITM_NUMBER = item_nr.
conditions_inx-cond_st_no = step_nr.
CONDITIONS_INX-COND_COUNT = cond_count.
CONDITIONS_INX-COND_TYPE = cond_type.
CONDITIONS_INX-UPDATEFLAG = 'U'.
CONDITIONS_INX-COND_VALUE = 'X'.
CONDITIONS_INX-CURRENCY = 'X'.
append conditions_inx.
CALL FUNCTION 'BAPI_SALESORDER_CHANGE'
EXPORTING
SALESDOCUMENT = salesdocument
ORDER_HEADER_IN = order_header_in
ORDER_HEADER_INX = order_header_inx
LOGIC_SWITCH = logic_switch
TABLES
RETURN = return
CONDITIONS_IN = conditions_in
CONDITIONS_INX = conditions_inx
if return-type ne 'E'.
commit work and wait.
endif.
ENDFORM. " saveTransactionJOCR
Bdc to Bapi
The steps to be followed are :
1. Find out the relevant BAPI (BAPI_SALESORDER_CHANGE for VA02).
[for VA01 use BAPI_SALESORDER_CREATEFROMDAT2]
2. Create a Z program and call the BAPi (same as a Funtion module call).
2. Now, if you see this BAPi, it has
-> Importing structures.
eg: SALESDOCUMENT: this will take the Sales order header data as input.
-> Tables parameters:
eg: ORDER_ITEM_IN: this will take the line item data as input.
Note :
Only specify fields that should be changed
Select these fields by entering an X in the checkboxes
Enter a U in the UPDATEFLAG field
Always specify key fields when changing the data, including in the checkboxes
The configuration is an exception here. If this needs to be changed, you need to complete it again fully.
Maintain quantities and dates in the schedule line data
Possible UPDATEFLAGS:
U = change
D = delete
I = add
Example
1. Delete the whole order
2. Delete order items
3. Change the order
4. Change the configuration
Notes
1. Minimum entry:
You must enter the order number in the SALESDOCUMENT structure.
You must always enter key fields for changes.
You must always specify the update indicator in the ORDER_HEADER_INX.
2. Commit control:
The BAPI does not run a database Commit, which means that the application must trigger the Commit so that the changes are read to the database. To do this, use the BAPI_TRANSACTION_COMMIT BAPI.
For further details... refer to the Function Module documentation for the BAPi.
Bapi to VB(Visual Basic)
Long back I had used the following flow structure to acheive the same.
Report -> SM59 RFC destination -> COM4ABAP -> VB.exe
my report uses the rfc destination to create a COM session with com4abap. com4abap calls the vb.exe and manages the flow of data between sap and vb exe.
You need to have com4abap.exe
If com4abap is installed you will find it in sapgui installatin directory , C:\Program Files\SAPpc\sapgui\RFCSDK\com4abap.
else refer OSS note 419822 for installation of com4abap
after making the settings in com4abap to point to the vb program and setting up rfc destination in sm59 to point to com4abap session , you can use the following function modules to call the vb code.
for setting up com4abap and rfc destination please refer to the documentation for com4abap.
Invoke NEW DCOM session
call function 'BEGIN_COM_SESSION'
exporting
service_dest = service_dest "(this will be a RFC destination created in SM59)
importing
worker_dest = worker_dest
exceptions
connect_to_dcom_service_failed = 1
connect_to_dcom_worker_failed = 2
others = 3.
call function 'create_com_instance' destination worker_dest
exporting
clsid = g_c_clsid
typelib = g_c_typelib
importing
instid = g_f_oid
exceptions
communication_failure = 1 message g_f_msg
system_failure = 2 message g_f_msg
invalid_instance_id = 3
others = 4.
call function 'com_invoke' destination worker_dest
exporting
%instid = g_f_oid
%method = 'UpdatePDF'
sntemp = g_v_const_filent
snsysid = sy-sysid
snflag = 'N'
tables
rssaptable = g_t_pdfdetail1
%return = g_t_pdfdetail1 "t_test
exceptions
communication_failure = 1 message g_f_msg
system_failure = 2 message g_f_msg
invalid_instance_id = 3
others = 4.
then close the com session , using
FM delete_com_instance
FM END_COM_SESSION
see the sample code
REPORT zpo_bapi_purchord_tej.
DATA DECLARATIONS *
TYPE-POOLS slis.
TYPES: BEGIN OF ty_table,
v_legacy(8),
vendor TYPE bapimepoheader-vendor,
purch_org TYPE bapimepoheader-purch_org,
pur_group TYPE bapimepoheader-pur_group,
material TYPE bapimepoitem-material,
quantity(13),
delivery_date TYPE bapimeposchedule-delivery_date,
net_price(23),
plant TYPE bapimepoitem-plant,
END OF ty_table.
TYPES: BEGIN OF ty_alv,
v_legs(8),
success(10),
v_legf(8),
END OF ty_alv.
TYPES: BEGIN OF ty_alv1,
v_legf1(8),
v_msg(500),
END OF ty_alv1.
*-----Work area declarations.
DATA: x_table TYPE ty_table,
x_header TYPE bapimepoheader,
x_headerx TYPE bapimepoheaderx,
x_item TYPE bapimepoitem,
x_itemx TYPE bapimepoitemx,
x_sched TYPE bapimeposchedule,
x_schedx TYPE bapimeposchedulx,
x_commatable(255),
x_alv TYPE ty_alv,
x_alv1 TYPE ty_alv1,
x_alv2 TYPE ty_alv1.
*-----Internal table declarations.
DATA: it_table TYPE TABLE OF ty_table,
it_commatable LIKE TABLE OF x_commatable,
it_item TYPE TABLE OF bapimepoitem,
it_itemx TYPE TABLE OF bapimepoitemx,
it_sched TYPE TABLE OF bapimeposchedule,
it_schedx TYPE TABLE OF bapimeposchedulx,
it_alv TYPE TABLE OF ty_alv,
it_alv1 TYPE TABLE OF ty_alv1,
it_alv2 TYPE TABLE OF ty_alv1.
DATA: po_number TYPE bapimepoheader-po_number,
x_return TYPE bapiret2,
it_return TYPE TABLE OF bapiret2,
v_file TYPE string,
v_temp(8),
v_succsount TYPE i VALUE 0,
v_failcount TYPE i VALUE 0,
v_total TYPE i.
DATA: v_temp1(5) TYPE n VALUE 0.
DATA: x_event TYPE slis_t_event,
x_fieldcat TYPE slis_t_fieldcat_alv,
x_list_header TYPE slis_t_listheader,
x_event1 LIKE LINE OF x_event,
x_layout1 TYPE slis_layout_alv,
x_variant1 TYPE disvariant,
x_repid2 LIKE sy-repid.
DATA : it_fieldcat TYPE TABLE OF slis_t_fieldcat_alv.
SELECTION-SCREEN *
SELECTION-SCREEN BEGIN OF BLOCK v_b1 WITH FRAME.
*-----To fetch the flat file.
PARAMETERS: p_file TYPE rlgrap-filename.
SELECTION-SCREEN END OF BLOCK v_b1.
AT SELECTION-SCREEN *
AT SELECTION-SCREEN.
IF p_file IS INITIAL.
MESSAGE text-001 TYPE 'E'.
ENDIF.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.
*-----To use F4 help to find file path.
CALL FUNCTION 'F4_FILENAME'
EXPORTING
program_name = syst-cprog
dynpro_number = syst-dynnr
IMPORTING
file_name = p_file.
v_file = p_file.
START-OF-SELECTION *
START-OF-SELECTION.
PERFORM gui_upload.
LOOP AT it_table INTO x_table.
PERFORM header_details.
v_temp = x_table-v_legacy.
LOOP AT it_table INTO x_table WHERE v_legacy = v_temp.
PERFORM lineitem.
PERFORM schedule.
ENDLOOP.
DELETE it_table WHERE v_legacy = v_temp.
PERFORM bapicall.
MOVE po_number TO x_alv-success.
APPEND x_alv TO it_alv.
CLEAR x_alv.
*-----To clear the item details in internal table after the operation for a header.
REFRESH: it_item,
it_itemx,
it_sched,
it_schedx.
CLEAR: v_temp1.
ENDLOOP.
v_total = v_succsount + v_failcount.
PERFORM display_alv.
FORM GUI_UPLOAD *
FORM gui_upload .
CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
filename = v_file
filetype = 'ASC'
TABLES
data_tab = it_commatable
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
IF sy-subrc = 0.
*-----To fetch the comma seperated flat file into an internal table.
LOOP AT it_commatable INTO x_commatable.
IF x_commatable IS NOT INITIAL.
SPLIT x_commatable AT ',' INTO
x_table-v_legacy
x_table-vendor
x_table-purch_org
x_table-pur_group
x_table-material
x_table-quantity
x_table-delivery_date
x_table-net_price
x_table-plant.
APPEND x_table TO it_table.
ENDIF.
CLEAR x_table.
ENDLOOP.
ENDIF.
ENDFORM. " gui_upload
FORM HEADER_DETAILS *
FORM header_details .
MOVE 'NB' TO x_header-doc_type.
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
EXPORTING
input = x_table-vendor
IMPORTING
output = x_table-vendor
MOVE x_table-vendor TO x_header-vendor.
MOVE x_table-purch_org TO x_header-purch_org.
MOVE x_table-pur_group TO x_header-pur_group.
x_headerx-doc_type = 'X'.
x_headerx-vendor = 'X'.
x_headerx-purch_org = 'X'.
x_headerx-pur_group = 'X'.
ENDFORM. " header_details
FORM LINEITEM *
FORM lineitem .
v_temp1 = v_temp1 + 10.
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
EXPORTING
input = v_temp1
IMPORTING
output = v_temp1.
MOVE v_temp1 TO x_item-po_item.
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
EXPORTING
input = x_table-material
IMPORTING
output = x_table-material.
MOVE x_table-material TO x_item-material.
MOVE x_table-quantity TO x_item-quantity.
MOVE x_table-net_price TO x_item-net_price.
MOVE x_table-plant TO x_item-plant.
x_itemx-po_item = v_temp1.
x_itemx-material = 'X'.
x_itemx-quantity = 'X'.
x_itemx-net_price = 'X'.
x_itemx-plant = 'X'.
APPEND x_item TO it_item.
APPEND x_itemx TO it_itemx.
CLEAR: x_item, x_itemx.
ENDFORM. " lineitem1
FORM SCHEDULE *
FORM schedule .
MOVE x_table-delivery_date TO x_sched-delivery_date.
MOVE v_temp1 TO x_sched-po_item.
x_schedx-delivery_date = 'X'.
x_schedx-po_item = v_temp1.
APPEND x_sched TO it_sched.
APPEND x_schedx TO it_schedx.
CLEAR: x_sched, x_schedx.
ENDFORM. " schedule
FORM BAPICALL *
FORM bapicall .
CALL FUNCTION 'BAPI_PO_CREATE1'
EXPORTING
poheader = x_header
poheaderx = x_headerx
IMPORTING
exppurchaseorder = po_number
TABLES
return = it_return
poitem = it_item
poitemx = it_itemx
poschedule = it_sched
poschedulex = it_schedx.
IF po_number IS NOT INITIAL.
v_succsount = v_succsount + 1.
MOVE x_table-v_legacy TO x_alv-v_legs.
CALL FUNCTION 'BAPI_TRANSACTION_COMMIT'.
ELSE.
v_failcount = v_failcount + 1.
MOVE x_table-v_legacy TO x_alv-v_legf.
MOVE x_table-v_legacy TO x_alv1-v_legf1.
LOOP AT it_return INTO x_return.
IF x_alv1-v_msg IS INITIAL.
MOVE x_return-message TO x_alv1-v_msg.
ELSE.
CONCATENATE x_alv1-v_msg x_return-message INTO x_alv1-v_msg SEPARATED BY space.
ENDIF.
ENDLOOP.
APPEND x_alv1 TO it_alv1.
CLEAR x_alv1.
ENDIF.
ENDFORM. " bapicall
FORM DISPLAY_ALV *
FORM display_alv .
PERFORM x_list_header.
PERFORM build_fieldcat CHANGING x_fieldcat.
x_repid2 = sy-repid.
x_event1-name = 'TOP_OF_PAGE'.
x_event1-form = 'TOP_OF_PAGE'.
APPEND x_event1 TO x_event.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
i_callback_program = x_repid2
is_layout = x_layout1
it_fieldcat = x_fieldcat
i_callback_user_command = 'USER_COMMAND'
i_callback_top_of_page = 'TOP_OF_PAGE'
i_save = 'A'
is_variant = x_variant1
it_events = x_event
TABLES
t_outtab = it_alv
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.
ENDFORM. " display_master_data
FORM USER_COMMAND *
FORM user_command USING ucomm LIKE sy-ucomm selfield
TYPE slis_selfield.
READ TABLE it_alv INTO x_alv INDEX selfield-tabindex.
CLEAR : x_alv2,it_alv2[].
LOOP AT it_alv1 INTO x_alv1 WHERE v_legf1 = x_alv-v_legf.
x_alv2 = x_alv1.
APPEND x_alv2 TO it_alv2 .
ENDLOOP.
DATA : it_fieldcat TYPE slis_t_fieldcat_alv.
DATA : x3_fieldcat LIKE LINE OF it_fieldcat.
CLEAR : x3_fieldcat,it_fieldcat[].
CLEAR x3_fieldcat.
x3_fieldcat-col_pos = '1'.
x3_fieldcat-fieldname = 'V_LEGF1'.
x3_fieldcat-reptext_ddic = text-111.
x3_fieldcat-ref_tabname = 'IT_ALV2'.
APPEND x3_fieldcat TO it_fieldcat.
CLEAR x3_fieldcat.
CLEAR x3_fieldcat.
x3_fieldcat-col_pos = '1'.
x3_fieldcat-fieldname = 'V_MSG'.
x3_fieldcat-reptext_ddic = text-112.
x3_fieldcat-ref_tabname = 'IT_ALV2'.
APPEND x3_fieldcat TO it_fieldcat.
CLEAR x3_fieldcat.
x_layout1-colwidth_optimize = 'X'.
x_layout1-zebra = 'X'.
IF it_alv2[] IS NOT INITIAL.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
i_callback_program = x_repid2
is_layout = x_layout1
it_fieldcat = it_fieldcat
i_save = 'A'
i_callback_top_of_page = 'TOP'
is_variant = x_variant1
it_events = x_event
TABLES
t_outtab = it_alv2
EXCEPTIONS
program_error = 1
OTHERS = 2.
ENDIF.
ENDFORM.
FORM USER_COMMAND *
FORM top.
CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
EXPORTING
it_list_commentary = 'Commentry'.
ENDFORM.
FORM BUILD_FIELDCAT *
FORM build_fieldcat CHANGING et_fieldcat TYPE slis_t_fieldcat_alv.
DATA: x1_fieldcat TYPE slis_fieldcat_alv.
CLEAR x1_fieldcat.
x1_fieldcat-col_pos = '1'.
x1_fieldcat-fieldname = 'V_LEGS'.
x1_fieldcat-reptext_ddic = text-108.
x1_fieldcat-ref_tabname = 'IT_ALV'.
APPEND x1_fieldcat TO et_fieldcat.
CLEAR x1_fieldcat.
x1_fieldcat-col_pos = '2'.
x1_fieldcat-fieldname = 'SUCCESS'.
x1_fieldcat-key = 'X'.
x1_fieldcat-reptext_ddic = text-109.
x1_fieldcat-ref_tabname = 'IT_ALV'.
APPEND x1_fieldcat TO et_fieldcat.
CLEAR x1_fieldcat.
x1_fieldcat-col_pos = '3'.
x1_fieldcat-fieldname = 'V_LEGF'.
x1_fieldcat-key = 'X'.
x1_fieldcat-reptext_ddic = text-110.
x1_fieldcat-ref_tabname = 'IT_ALV'.
APPEND x1_fieldcat TO et_fieldcat.
CLEAR x1_fieldcat.
ENDFORM. " build_fieldcat
FORM BUILD_LIST_HEADER *
FORM x_list_header.
DATA: x_list_header1 TYPE slis_listheader.
*-----List Header: type H
CLEAR x_list_header1 .
x_list_header1-typ = 'H'.
x_list_header1-info = text-105.
APPEND x_list_header1 TO x_list_header.
*-----List Key: type S
x_list_header1-typ = 'S'.
x_list_header1-key = text-106.
x_list_header1-info = v_total.
APPEND x_list_header1 TO x_list_header.
*-----List Key: Type S
CLEAR x_list_header1 .
x_list_header1-typ = 'S'.
x_list_header1-key = text-107.
x_list_header1-info = v_succsount.
APPEND x_list_header1 TO x_list_header.
ENDFORM. " build_list_header
FORM TOP_OF_PAGE *
FORM top_of_page.
CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
EXPORTING
it_list_commentary = x_list_header.
ENDFORM. " TOP_OF_PAGE
<b>Reward points for useful Answers</b>
Regards
Anji