How to handle incoming salesorder - fill matnr

hi all
I am attempting to write my first user exit for an inbound IDoc. Have to fill the field VBAP-MATNR on screen '4900' by a speciell logic, can't use VD52.
How to use the userexits EXIT_SAPLVEDA_00X ? Any suggestions ?
regards joerg

Hi Abhijit and other guys,
I tried this:
DATA: BEGIN OF wa_hxvbap.
        INCLUDE STRUCTURE vbap.
DATA END OF wa_hxvbap.
CASE segment.
segment correct ???
WHEN 'E1EDP19'.
    wa_hxvbap-matnr = '60222200011'.
    MODIFY dxvbap FROM wa_hxvbap.
ENDCASE.
-> no result
debug doesn't work, why ? Start idoc with 'WE15'
joerg

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How to handle exception CX_SY_REF_IS_INITIAL

hi experts,
im working on a test scenario for abap mapping in SAP XI im getting this error
An exception with the type CX_SY_REF_IS_INITIAL occurred, but was neither handled locally, nor declared in a RAISING clause Dereferencing of the NULL reference
i understand that i need to catch this exception in the abap coding but i'm not familiar with oops concepts
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method IF_MAPPING~EXECUTE.
break x1149.
* initialize iXML
TYPE-POOLS: ixml.
class cl_ixml definition load.
** Instances & Variable declaration =======================
* instance main factory
TYPES: BEGIN OF t_xml_line,
 data(256) TYPE x,
 END OF t_xml_line.
DATA: l_ixml TYPE REF TO if_ixml,
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 l_streamfactory TYPE REF TO if_ixml_stream_factory,
* instance input stream
l_istream TYPE REF TO if_ixml_istream,
* instance input document
l_document TYPE REF TO if_ixml_document,
* instance parse input document
l_parser TYPE REF TO if_ixml_parser,
* instance for elements within the nodes
node TYPE REF TO if_ixml_node,
*instance of nodemap
nodemap TYPE REF TO if_ixml_named_node_map,
* instance for iterator
iterator TYPE REF TO if_ixml_node_iterator,
name TYPE string,
value TYPE string,
* instance main factory
 o_ixml TYPE REF TO if_ixml,
* instance output document
 o_document TYPE REF TO if_ixml_document,
* instance output stream
o_istream TYPE REF TO if_ixml_ostream,
* instance parse output document
o_parser TYPE REF TO if_ixml_parser,
* instance fot renderer
renderer type ref to if_ixml_renderer,
irc type i,
l_xml_size TYPE i,
*ROOT ELEMENT
l_element_MT_DEMANDTEC_COST TYPE REF TO if_ixml_element,
*NEXT CHILD ELEMENT FROM THE ABOVE PARENT
l_element_DT_DEMANDTEC TYPE REF TO if_ixml_element,
*CHILDREN1 ELEMENT FOR DT_DEMANDTEC
l_element_DT_WHSE TYPE REF TO if_ixml_element,
*CHILDREN2 ELEMENT FOR DT_DEMANDTEC
l_element_DT_DC TYPE REF TO if_ixml_element,
*CHILDREN3 ELEMENT FOR DT_DEMANDTEC
l_element_DT_PLANT TYPE REF TO if_ixml_element,
*CHILDREN4 ELEMENT FOR DT_DEMANDTEC
l_element_DT_QTY TYPE REF TO if_ixml_element.
*saving the xml document
DATA: l_xml_table TYPE TABLE OF t_xml_line.
types: begin of t_source,
 whse(5),
 dc(4) ,
 plant(4),
 qty type i,
 end of t_source.
types: tt_source TYPE STANDARD TABLE OF t_source.
data: wa_source type t_source.
data: it_source TYPE tt_source,
 ivalue type string.
* Procedures and business logic =======================================
* Creating the main iXML factory
l_ixml = cl_ixml=>create( ).
* Creating a stream factory
l_streamfactory = l_ixml->create_stream_factory( ).
* create input stream
l_istream = l_streamfactory->create_istream_xstring( source ).
* initialize input document
l_document = l_ixml->create_document( ).
* Create a Parser
l_parser = l_ixml->create_parser( stream_factory = l_streamfactory
 istream = l_istream
 document = l_document ).
* parse input document
l_parser->parse( ).
* Validate a document
l_parser->set_validating( mode = if_ixml_parser=>co_validate ).
* Parse the stream
IF l_parser->parse( ) NE 0.
 IF l_parser->num_errors( ) NE 0.
 DATA: parseerror TYPE REF TO if_ixml_parse_error,
 str TYPE string,
 i TYPE i,
 count TYPE i,
 index TYPE i.
 count = l_parser->num_errors( ).
 WRITE: count, ' parse errors have occured:'.
 index = 0.
 WHILE index < count.
 parseerror = l_parser->get_error( index = index ).
 i = parseerror->get_line( ).
 WRITE: 'line: ', i.
 i = parseerror->get_column( ).
 WRITE: 'column: ', i.
 str = parseerror->get_reason( ).
 WRITE: str.
 index = index + 1.
 ENDWHILE.
 ENDIF.
ENDIF.
* Process the document
IF l_parser->is_dom_generating( ) EQ 'X'.
 refresh : it_source.
 node ?= l_document.
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* create a node iterator
 iterator = node->create_iterator( ).
* get current node
 node = iterator->get_next( ).
* loop over all nodes
 WHILE NOT node IS INITIAL.
 CASE node->get_type( ).
 WHEN if_ixml_node=>co_node_element.
* element node
 name = node->get_name( ).
 nodemap = node->get_attributes( ).
 WHEN if_ixml_node=>co_node_text.
* text node
 value = node->get_value( ).
 if name eq 'DT_WHSE'.
 wa_source-whse = value.
 ELSEIF name eq 'DT_DC'.
 wa_source-DC = value.
 ELSEIF name eq 'DT_PLANT'.
 wa_source-PLANT = value.
 ELSEIF name eq 'DT_QTY'.
 wa_source-QTY = value.
 COLLECT wa_source INto it_source.
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 ENDIF.
 endcase.
 node = iterator->get_next( ).
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ENDIF.
loop at it_source into wa_source .
 at first.
* Creating a ixml factory
 o_ixml = cl_ixml=>create( ).
* Creating the dom object model
 o_document = l_ixml->create_document( ).
 endat.
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 AT FIRST.
 l_element_MT_DEMANDTEC_COST =
O_document->create_simple_element(
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 parent = o_document ).
 ENDAT.
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* MT_DEMANDTEC_COST
 l_element_DT_DEMANDTEC = O_document->create_simple_element(
 name = 'DT_DEMANDTEC'
 parent = l_element_MT_DEMANDTEC_COST ).
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 ivalue = wa_source-WHSE.
 l_element_DT_WHSE = O_document->create_simple_element(
 name = 'DT_WHSE'
 VALUE = ivalue
 parent = l_element_DT_DEMANDTEC ).
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 ivalue = wa_source-DC.
 l_element_DT_DC = O_document->create_simple_element(
 name = 'DT_DC'
 VALUE = ivalue
 parent = l_element_DT_DEMANDTEC ).
* Build and Fill Child node3 DT_WHSE for parent DT_DEMANDTEC
 ivalue = wa_source-PLANT.
 l_element_DT_PLANT = O_document->create_simple_element(
 name = 'DT_PLANT'
 VALUE = ivalue
 parent = l_element_DT_DEMANDTEC ).
* Build and Fill Child node4 DT_QTY for parent DT_DEMANDTEC
 ivalue = wa_source-QTY.
 l_element_DT_QTY = O_document->create_simple_element(
 name = 'DT_QTY'
 VALUE = ivalue
 parent = l_element_DT_DEMANDTEC ).
endloop.
* render document ======================================================
* create output stream
o_istream = l_streamfactory->create_ostream_xstring( result ).
* Connect internal XML table to stream factory
o_istream = l_streamfactory->create_ostream_itable( table =
l_xml_table ).
renderer = o_ixml->create_renderer( ostream = o_istream
 document = o_document ).
irc = renderer->render( ).
* how do i catch the exception for type CX_SY_REF_IS_INITIAL ...?
endmethod.
full reward points for answers.
Thanks & Regards,
Uday Kumar.
Edited by: UDAY on May 6, 2008 9:32 PM

Hi Uday,
Its occurs because you're trying to access a objects with null reference. Or you forgot to create an instance or an error occurs during the instance creation. So You should put all your "Procedures and business logic" inside a Try/catch block. as follow.
" Define a class exception object to get error message......
DATA o_exception TYPE REF TO cx_sy_ref_is_initial.
"// Use the statment Try block to catch the error.
TRY.
* Creating the main iXML factory
l_ixml = cl_ixml=>create( ).
* Creating a stream factory
l_streamfactory = l_ixml->create_stream_factory( ).
* create input stream
l_istream = l_streamfactory->create_istream_xstring( source ).
* initialize input document
l_document = l_ixml->create_document( ).
* Create a Parser
l_parser = l_ixml->create_parser( stream_factory = l_streamfactory
 istream = l_istream
 document = l_document ).
* parse input document
l_parser->parse( ).
* Validate a document
l_parser->set_validating( mode = if_ixml_parser=>co_validate ).
* Parse the stream
IF l_parser->parse( ) NE 0.
 IF l_parser->num_errors( ) NE 0.
 DATA: parseerror TYPE REF TO if_ixml_parse_error,
 str TYPE string,
 i TYPE i,
 count TYPE i,
 index TYPE i.
 count = l_parser->num_errors( ).
 WRITE: count, ' parse errors have occured:'.
 index = 0.
 WHILE index < count.
 parseerror = l_parser->get_error( index = index ).
 i = parseerror->get_line( ).
 WRITE: 'line: ', i.
 i = parseerror->get_column( ).
 WRITE: 'column: ', i.
 str = parseerror->get_reason( ).
 WRITE: str.
 index = index + 1.
 ENDWHILE.
 ENDIF.
ENDIF.
* Process the document
IF l_parser->is_dom_generating( ) EQ 'X'.
 refresh : it_source.
 node ?= l_document.
 CHECK NOT node IS INITIAL.
* create a node iterator
 iterator = node->create_iterator( ).
* get current node
 node = iterator->get_next( ).
* loop over all nodes
 WHILE NOT node IS INITIAL.
 CASE node->get_type( ).
 WHEN if_ixml_node=>co_node_element.
* element node
 name = node->get_name( ).
 nodemap = node->get_attributes( ).
 WHEN if_ixml_node=>co_node_text.
* text node
 value = node->get_value( ).
 if name eq 'DT_WHSE'.
 wa_source-whse = value.
 ELSEIF name eq 'DT_DC'.
 wa_source-DC = value.
 ELSEIF name eq 'DT_PLANT'.
 wa_source-PLANT = value.
 ELSEIF name eq 'DT_QTY'.
 wa_source-QTY = value.
 COLLECT wa_source INto it_source.
 CLEAR wa_source.
 ENDIF.
 endcase.
 node = iterator->get_next( ).
 endwhile.
ENDIF.
loop at it_source into wa_source .
 at first.
* Creating a ixml factory
 o_ixml = cl_ixml=>create( ).
* Creating the dom object model
 o_document = l_ixml->create_document( ).
 endat.
* Build and Fill root node MT_DEMANDTEC_COST
 AT FIRST.
 l_element_MT_DEMANDTEC_COST =
O_document->create_simple_element(
 name = 'MT_DEMANDTEC_COST'
 parent = o_document ).
 ENDAT.
* Build and Fill Child node DT_DEMANDTEC for parent
* MT_DEMANDTEC_COST
 l_element_DT_DEMANDTEC = O_document->create_simple_element(
 name = 'DT_DEMANDTEC'
 parent = l_element_MT_DEMANDTEC_COST ).
* Build and Fill Child node1 DT_WHSE for parent DT_DEMANDTEC
 ivalue = wa_source-WHSE.
 l_element_DT_WHSE = O_document->create_simple_element(
 name = 'DT_WHSE'
 VALUE = ivalue
 parent = l_element_DT_DEMANDTEC ).
* Build and Fill Child node2 DT_WHSE for parent DT_DEMANDTEC
 ivalue = wa_source-DC.
 l_element_DT_DC = O_document->create_simple_element(
 name = 'DT_DC'
 VALUE = ivalue
 parent = l_element_DT_DEMANDTEC ).
* Build and Fill Child node3 DT_WHSE for parent DT_DEMANDTEC
 ivalue = wa_source-PLANT.
 l_element_DT_PLANT = O_document->create_simple_element(
 name = 'DT_PLANT'
 VALUE = ivalue
 parent = l_element_DT_DEMANDTEC ).
* Build and Fill Child node4 DT_QTY for parent DT_DEMANDTEC
 ivalue = wa_source-QTY.
 l_element_DT_QTY = O_document->create_simple_element(
 name = 'DT_QTY'
 VALUE = ivalue
 parent = l_element_DT_DEMANDTEC ).
endloop.
* render document ======================================================
* create output stream
o_istream = l_streamfactory->create_ostream_xstring( result ).
* Connect internal XML table to stream factory
o_istream = l_streamfactory->create_ostream_itable( table =
l_xml_table ).
renderer = o_ixml->create_renderer( ostream = o_istream
 document = o_document ).
irc = renderer->render( ).
" The Statement CATCH define a block that catches the exceptions of the
" exception class cx_sy_ref_is_initial
 CATCH cx_sy_ref_is_initial INTO o_exception.
" If you need to get the error message text do as follow
DATA errorMsg type string.
" Get the message text
errorMsg = o_exception->GET_TEXT( ).
" Display the error information
MESSAGE errorMsg TYPE 'I'.
ENDTRY.
The TRY block defines a guarded area whose class-based exceptions can be caught in the subsequent CATCH blocks. If no exception occurs in the TRY block and it reaches its end, the system continues the processing after ENDTRY. If a class-based exception occurs in the TRY block, the system searches for an exception handler in the same or an external TRY control structure.
Font: SAP Help
You can see a how to create and use an exception in this example [ ABAP Objects - Defining a Class-based exceptions|https://wiki.sdn.sap.com/wiki/x/19w] .
Best Regards.
Marcelo Ramos

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br,
dez_

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Method 1:
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paas the tcodes to bdc_insert.
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Here we need to record 2 transactions (shdb).
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like
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BDC_INSERT_GROUP.
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Please reward if any of the above are useful.
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How to handle dynamic screens in bdc

HI SIR,
i am working on BDC for CA02 in this i have probelm that if operation 10 it doesnot contains any items it showing one screen and if operation 10 contain some items
and its item counter increasing automatically in this case it coming to this screen through some other screen.so.plz help me how to handle this dynamic screens in bdc ,plz help.

hi sir,
          now i am working BDC UPLOAD with tcode CA02 in this in second screen their are some rows like in table control
opt
10                x
20
30                 x
like above in this if row one of column contains 'x' then if i want to fill sub item then it display i one screen EX 100 else if it dsplay screen 200(ie item 10 already contains subitems it display x in one row column(i.e selected check box) else it show unselected check box.plz tell how to know wheather check box is selected or not from screen to .plz tell.
thanking u

How to handle Table control in BDC? Difference between BDC & LSMW?

Hi
How to handle Table control in BDC? Difference between BDC & LSMW?
Regards,
Raghu

Hi ,
the diff b/w normal BDC and with table control is that with table control u can enter as many lineitems as u want..so during recording if u r entering 3 line items..then the program will show (1), (2) and (3) with that.
chane that fixed no to variable.
check that sample code.
in this for new customer...any no of items can be entered.
LOOP AT t_cusdata.
    REFRESH t_bdcdata.
    ON CHANGE OF t_cusdata-kunnr.
initial screen.
      PERFORM bdc_dynpro      USING 'SAPMV10A' '0100'.
      PERFORM bdc_field       USING 'BDC_CURSOR'
                              'MV10A-VTWEG'.
      PERFORM bdc_field       USING 'BDC_OKCODE'
                              '/00'.
      PERFORM bdc_field       USING 'MV10A-KUNNR'
                              t_cusdata-kunnr.
      PERFORM bdc_field      USING 'MV10A-VKORG'
                              t_cusdata-vkorg.     "'HCL'.
      PERFORM bdc_field       USING 'MV10A-VTWEG'
                              t_cusdata-vtweg.     "'HL'.
      DATA: fnam(20) TYPE c,
            fnam1(20) TYPE c,
            idx(2) TYPE c.
      MOVE 1 TO idx.
      LOOP AT t_matdata WHERE kunnr = t_cusdata-kunnr.
        PERFORM bdc_dynpro      USING 'SAPMV10A' '0200'.
        CONCATENATE 'MV10A-KDMAT(' idx ')' INTO fnam.
        PERFORM bdc_field       USING 'BDC_CURSOR'
                                      fnam.
        PERFORM bdc_field       USING 'BDC_OKCODE'
                                       '/00'.
        CONCATENATE 'MV10A-MATNR(' idx ')' INTO fnam1.
        PERFORM bdc_field       USING fnam1
                                      t_matdata-matnr.      "'FIN50'.
        PERFORM bdc_field       USING fnam
                                      t_matdata-kdmat. "'ABCD'.
        idx = idx + 1.
      ENDLOOP.
      PERFORM bdc_dynpro      USING 'SAPMV10A' '0200'.
      PERFORM bdc_field       USING 'BDC_CURSOR'
                              'MV10A-MATNR(01)'.
      PERFORM bdc_field       USING 'BDC_OKCODE'
                              '=SICH'.
      CALL TRANSACTION 'VD51' USING t_bdcdata MODE 'A' .
                                    UPDATE 'S' MESSAGES INTO t_err_mes.
Regards,
Sonika

How to handle the messages.

Hi,
I am doing interactive report. In that how to handle the error meesages.
Regards
Srinu

HI
IF YOU WANT HANDLE THE ERROE MESSAGES
*& Report ZNNR_REPORT
REPORT ZNNR_REPORT NO STANDARD PAGE HEADING MESSAGE-ID ZNNR LINE-SIZE 100 LINE-COUNT 65(4).
******DATA DECLARATIONS**********
DATA : BEGIN OF IT_PLANT OCCURS 0,
 MATNR LIKE MARA-MATNR,
 WERKS LIKE MARC-WERKS,
 PSTAT LIKE MARC-PSTAT,
 EKGRP LIKE MARC-EKGRP,
 END OF IT_PLANT.
DATA : BEGIN OF IT_PONO OCCURS 0,
 EBELN LIKE EKKO-EBELN,
 EBELP LIKE EKPO-EBELP,
 MATNR LIKE EKPO-MATNR,
 WERKS LIKE EKPO-WERKS,
 LGORT LIKE EKPO-LGORT,
 END OF IT_PONO.
TABLES EKKO.
********END OF DATA DECLARATIONS*********
********SELECTION SCREEN DESIGN ***********
SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
PARAMETER : P_WERKS LIKE MARC-WERKS MODIF ID S1.
SELECT-OPTIONS : S_EBELN FOR EKKO-EBELN NO INTERVALS MODIF ID S2.
SELECTION-SCREEN END OF BLOCK B1.
SELECTION-SCREEN BEGIN OF BLOCK B2 WITH FRAME TITLE TEXT-004.
SELECTION-SCREEN BEGIN OF LINE.
PARAMETERS : R1 RADIOBUTTON GROUP G1 DEFAULT 'X'.
SELECTION-SCREEN COMMENT 5(20) TEXT-002 FOR FIELD R1.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN BEGIN OF LINE.
PARAMETERS : R2 RADIOBUTTON GROUP G1.
SELECTION-SCREEN COMMENT 5(20) TEXT-003 FOR FIELD R2.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN END OF BLOCK B2.
******END OF SELECTION SCREEN DESIGN****************
*********INITIALIZATION OF SELECTION SCREEN ELEMENTS.*****
INITIALIZATION.
P_WERKS = '1000'.
S_EBELN-LOW = '4500016926'.
S_EBELN-OPTION = 'EQ'.
S_EBELN-SIGN = 'I'.
APPEND S_EBELN.
CLEAR S_EBELN.
************END OF INITIALIZATION***********************
***********SCREEN MODIFICATIONS*******************
AT SELECTION-SCREEN OUTPUT.
LOOP AT SCREEN.
 IF R1 EQ 'X' AND SCREEN-GROUP1 EQ 'S2'.
 SCREEN-INPUT = 0.
 MODIFY SCREEN.
 ENDIF.
 IF R2 EQ 'X' AND SCREEN-GROUP1 EQ 'S1'.
 SCREEN-INPUT = 0.
 MODIFY SCREEN.
 ENDIF.
ENDLOOP.
********END OF SCREEN MODIFICATIONS*****************
***************SCREEN VALIDATIONS *****************
at selection-screen.
SELECT SINGLE *
 FROM EKKO
 INTO EKKO
 WHERE EBELN IN S_EBELN.
IF SY-SUBRC <> 0.
 SET CURSOR FIELD 'S_EBELN-LOW'.
 MESSAGE E999 WITH TEXT-005.
ENDIF.
********end of screen validation*****************
START-OF-SELECTION.
*set pf-status '100'.
IF R1 EQ 'X'.
 SELECT MATNR
 WERKS
 PSTAT
 EKGRP
 FROM MARC
 INTO TABLE IT_PLANT
 WHERE WERKS = P_WERKS.
 LOOP AT IT_PLANT.
 WRITE : SY-VLINE , 2 IT_PLANT-MATNR COLOR COL_KEY,
 21 SY-VLINE , 22 IT_PLANT-WERKS COLOR COL_KEY,
 27 SY-VLINE ,28 IT_PLANT-PSTAT COLOR COL_NORMAL,
 43 SY-VLINE ,44 IT_PLANT-EKGRP COLOR COL_NORMAL.
 ENDLOOP.
ENDIF.
IF R2 EQ 'X'.
 SELECT EBELN EBELP MATNR WERKS LGORT
 FROM EKPO
 INTO TABLE IT_PONO
 WHERE EBELN IN S_EBELN.
 LOOP AT IT_PONO.
 WRITE : SY-VLINE , 2 IT_PONO-EBELN COLOR COL_KEY,
 12 SY-VLINE , 13 IT_PONO-EBELP COLOR COL_KEY,
 18 SY-VLINE , 19 IT_PONO-MATNR COLOR COL_NORMAL,
 37 SY-VLINE , 38 IT_PONO-WERKS COLOR COL_NORMAL,
 44 SY-VLINE , 45 IT_PONO-LGORT COLOR COL_NORMAL, 49 SY-VLINE..
 ENDLOOP.
ENDIF.
TOP-OF-PAGE.
IF R1 EQ 'X'.
*ULINE AT /1(48).
 WRITE : SY-VLINE ,2 'MATERIAL NUMBER',
 21 SY-VLINE , 22 'PLANT',
 27 SY-VLINE , 28 'STATUS',
 43 SY-VLINE , 44 'GRUP', 48 SY-VLINE.
 ULINE AT /1(48).
ENDIF.
IF R2 EQ 'X'.
 WRITE : SY-VLINE , 2 'PO NUMBER',
 12 SY-VLINE, 13 'ITEM',
 18 SY-VLINE,19 'MATERIAL NUMBER',
 37 SY-VLINE, 38 'PLANT',
 44 SY-VLINE, 45 'GRUP',
 49 SY-VLINE.
 ULINE AT /1(50).
ENDIF.
END-OF-PAGE.
ULINE AT /1(50).
WRITE :/10 'PAGE NUMBER', SY-PAGNO.
WRITE THE CONDITION WHAT EVER YOU WANT TO CHECK AND IF THAT IS TRUE SY-SUBRC = 0 THEN NO MESS IF NE 0 THEN RAISE A ERROR MESSAGE LIKE ABOVE
REWARD IF USEFULL

How to handle the multiple message on the screen

I am new to j2me. I am trying to write a simple program for instant messaging. I want to write a program that to handle incoming messages. Now I am able to display one message at a time but I dont know how to handle multiple messages. Do anyone can give an example?
Is that anyway that pop up an indication for new messages in j2me?
Need yours expertise to help me. Thanks.

Use a custom canvas to display messages. Then you can do whatever you want with it!

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