EXPLAIN LEAD SELECTION WITH AN EXAMPLE? WHY IT IS IMPORTANT?

HI ALL,
please explian me lead selection with an example? what is the significance of lead selection?

This is something that is not well explained anywhere, and it probably won't be well explained by me, either, but maybe when the clever people finish correcting me, we will have a good story.
Lead selection is a mechanism that WDA uses to define a default row in a multi-element (e.g. table) node in the context.
For example, lets say you display a list of flights in a table in WDA.
You put them into an internal table and bind them to a context node.
If the user selects one (by clicking the button beside the row of the table) then your program would like to know which row was selected. You could loop over the whole table looking for some indicator, but that is tedious and time consuming.
Because of the lead selection mechanism, you can call GET_STATIC_ATTRIBUTES which gets the values for a single row of the table. Which row? Well, the row selected by the user, which is called the lead selection. I think it is called 'lead selection' because if you select a range of rows, then the first or leading row is set as the lead selection and that is the one you will get if you ask for a single row.
Of course, nodes don't have rows, they have elements, but if you promise not to say it out loud, you can think of them as rows.
So lead selection is all about providing easy access to the selected element of a multi-element node If you ask the table for just one row, it will give you the selected row.
With lead selection, asking a table for one row without saying which one would probably be an error, but with lead selection, it makes sense. There are many node functions that work on a element that use lead selection to choose the element when you call them for a node with cardinality > 1.
There are a bunch of methods in IF_WD_CONTEXT_NODE that allow you to set and get the lead selection, and use it to do various things. This is useful, because with a big list of data, the thing you are probably interested in is the one the user has clicked.
For example you can write a program that displays spfli and a button that calls lr_node->GET_STATIC_ATTRIBUTES and displays the selected row's carrid and connid in a message. You can then select a row of the table and your button will always know which one you have chosen. It might be psychic, but it is probably really lead selection at work.
Or you can have an input field where you enter a row number and click a button. If you call
. lr_node = wd_context->get_child_node( 'SPFLI' ).
. lr_element = lr_node->get_element( index i ).
. lr_element->set_lead_selection( )
in the button action method you will see the button for that row suck into the screen as if you had clicked it.
I hope this does more good than harm.
Edited by: Russell Day on Feb 16, 2008 1:47 PM

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Thanks Armin, that works great.
Had I finished reading this page:
http://help.sap.com/saphelp_nw70/helpdata/en/60/1f1f056f057d4d962375efd3c92ed0/frameset.htm
I would have found the correct documentation.

Table: show the line of lead selection

Hello,
I have a table with 691 lines, showing 20 lines per page. Is it possible to change the lead selection for example to line 60 and also jump to line 60. So that the table automatically shows the 3rd page with the line 60 - 80.
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best regards
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Hi Stefan,
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Warm Regards,
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Problem with table cell editors - Dropdown by Index, getting lead selection

Hi experts,
I have a table editor with 5 columns
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AS_DATA(Parent Node cardinality 1.1, selection 0-1)
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its initializing. where could be the problem.
My code
data LO_ND_INV_TYPE type ref to IF_WD_CONTEXT_NODE.
data LO_EL_INV_TYPE type ref to IF_WD_CONTEXT_ELEMENT.
data LS_INV_TYPE type WD_THIS->ELEMENT_INV_TYPE.
data LV_INV_TYPE type WD_THIS->ELEMENT_INV_TYPE-INV_TYPE.
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data LS_DETAILS like line of LT_DETAILS.
data: WD_NODE type ref to IF_WD_CONTEXT_NODE,
 LR_ELEMENT type ref to IF_WD_CONTEXT_ELEMENT.
data LO_ND_INV_PATTERN type ref to IF_WD_CONTEXT_NODE.
data LO_EL_INV_PATTERN type ref to IF_WD_CONTEXT_ELEMENT.
data LS_INV_PATTERN type WD_THIS->ELEMENT_INV_PATTERN.
data LV_INV_PAT type WD_THIS->ELEMENT_INV_PATTERN-INV_TYPE.
data LO_ND_ACTIVITY_TYPES type ref to IF_WD_CONTEXT_NODE.
data LT_ACTIVITY_TYPES type WD_THIS->ELEMENTS_ACTIVITY_TYPES.
data LW_ACTIVITY_TYPES type WD_THIS->ELEMENT_ACTIVITY_TYPES.
 data LO_EL_ACTIVITY_TYPES type ref to IF_WD_CONTEXT_ELEMENT.
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 LO_ND_DETAILS = WD_CONTEXT->PATH_GET_NODE( PATH = `AS_DATA.DETAILS` ).
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 append LS_DETAILS to LT_DETAILS.
 LO_ND_DETAILS->BIND_TABLE(
 NEW_ITEMS = LT_DETAILS ).
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 insert LW_ACTIVITY_TYPES into LT_ACTIVITY_TYPES index 1.
 loop at LT_DETAILS into LS_DETAILS.
 LV_TABIX = SY-TABIX.
 LR_ELEMENT = LO_ND_DETAILS->GET_ELEMENT( LV_TABIX ).
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any clue on what am i missing will be appreciated.
I am getting dump when i try to get the lead selection
Ajay

You only have only one option in the DDI to display in the example. when you have multiple values
i assume that by adding an empty row like this will lose the SELECTION MADE in DDI. (Correct me If i am wrong)
somehow i believe that we need to bind the DD values using SET LEAD SELECTION INDEX METHOD FOR THE DDI when they are already selected and trying to BIND.
*LO_ND_DETAILS->GET_STATIC_ATTRIBUTES_TABLE(*
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 *LO_ND_DETAILS->BIND_TABLE(*
 *NEW_ITEMS = LT_DETAILS ).*
even though the above code will have the selected value, the SELECTIONS MADE will be initialize.
you need to bind it explicitly.
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or i guess you can continue with you code but need to use SET LEAD to display the correct SELECTIONS MADE
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 LV_TABIX = SY-TABIX.
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 endloop.

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Hi,
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Re: selection from scratch: full VS (intialize delta + delta) update bi 7.0
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Ap_Compsci_student_13 wrote:
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Can anyone explain me A2A & B2B
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raghavesh

Hi ,
A2A & B2B
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BPM is used to implement work-flow spanning across multiple application system against embedding the parts of work-flow in application system. Apart from this it also help achive other scenarios like, bridging synch and asynch systems, alert mechanism, multi mapping etc. Check the BPM overview document in SDN download section.
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/people/udo.martens/blog/2005/09/30/one-logical-system-name-for-serveral-bpm-acknowledgements
/people/sudharshan.aravamudan/blog/2005/12/01/illustration-of-multi-mapping-and-message-split-using-bpm-in-sap-exchange-infrastructure
/people/kannan.kailas/blog/2005/12/07/posting-multiple-idocs-with-acknowledgement
/people/krishna.moorthyp/blog/2005/06/09/walkthrough-with-bpm
/people/michal.krawczyk2/blog/2005/06/11/xi-how-to-retrieve-messageid-from-a-bpm
/people/arpit.seth/blog/2005/06/27/rfc-scenario-using-bpm--starter-kit
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Explain User exit concept with simple example

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I am new member of this forum & i am learning ABAP.
Kindly send me user exit concept with simple example to my mail ID so i can able to use it.
mail ID [email protected]
thanks in advance
Thanks & Regards

Code SE18 is used to Identify the BADI available.
Look for the string 'CL_EXITHANDLER' in the standard program. This is a class which has a method 'GET_INSTANCE' which is used to trigger BADI's from the Standard Program. The interface parameter for this static method 'EXIT_NAME' is used to pass the BADI to the method.
Open Standard Program and do a global search 'CL_EXITHANDLER'.
SE18 > give the BADI name found through above search.
CUSTOMER_ADD_DATA > which has a method SAVE_DATA.
T.Code SE19 is used to Implement BADI.
SE19 > give the implementation name > Give the Definition name as CUSTOMER_ADD_DATA and the Short Text.
Intro.....
http://help.sap.com/saphelp_nw04/helpdata/en/e6/d54d3c596f0b26e10000000a11402f/content.htm
Check these links for info about badi..
BADI's
http://support.sas.com/rnd/papers/sugi30/SAP.ppt
BADI's
http://help.sap.com/saphelp_erp2005/helpdata/en/73/7e7941601b1d09e10000000a155106/frameset.htm
http://support.sas.com/rnd/papers/sugi30/SAP.ppt
http://www.sts.tu-harburg.de/teaching/sap_r3/ABAP4/abapindx.htm
http://members.aol.com/_ht_a/skarkada/sap/
http://www.ct-software.com/reportpool_frame.htm
http://www.saphelp.com/SAP_Technical.htm
http://www.kabai.com/abaps/q.htm
http://www.guidancetech.com/people/holland/sap/abap/
http://www.planetsap.com/download_abap_programs.htm
http://help.sap.com/saphelp_nw04/helpdata/en/c8/1975cc43b111d1896f0000e8322d00/content.htm
/people/thomas.weiss/blog/2006/04/03/how-to-define-a-new-badi-within-the-enhancement-framework--part-3-of-the-series
/people/thomas.weiss/blog/2006/04/18/how-to-implement-a-badi-and-how-to-use-a-filter--part-4-of-the-series-on-the-new-enhancement-framework
http://www.esnips.com/web/BAdI
http://www.allsaplinks.com/badi.html
New to Badi
check any fo the below links. this will def help u.
http://www.allsaplinks.com/badi.html
And also download this file....
http://www.savefile.com/files.php?fid=8913854
There are other tutorials on this site...
http://sapbrain.com/Tutorials/tuto_download.html
What are BAdIs?
-> is an anticipated point of extension these points act like sockets and exist in the original source code
-> based on ABAP Objects. BAdI defines an interface that can be implemented by BAdI-implementations that are transport objects of their own
->Important! There are 2 roles: Enhancement Option-provider & Implementer.
-> In the above context, Enhancement Implementation can be done only if option (hook) is provided by the Option-provider. In simple words there are no implicit BAdIs.
Note: In the following slides, Definitions are created so as to understand the method of BAdI definition & for example purpose. As stated above this is the role of Enhancement Option-Provider.
Classic BAdIs already exist since SAP Release 4.6
BAdIs have been Re-implemented in ECC7.0 under the new Enhancement Framework & Switch Framework
Classic BAdIs
To understand what a powerful pattern a BAdI is, we will now define & then implement a BAdI
BADI Class is created automatically.
The various options are described below in detail:
1. Enhanceable: Enhanceability of filter types can only be specified for filter-dependent BADI definitions under very special conditions. For example, the domain belonging to the filter type must be linked with a value table that is of the type E or G. A BADI implementation can then be created in one step by creating a new filter value that is automatically entered into the value table at save and also copied into the transport order of the BADI implementation. In addition, it is also possible to create a new filter value and, at the same time, a BADI implementation with the same name. Naturally, you can also specify existing filter values.
You should select this feature if there is a prerequisite that a new filter value is created together with a new BADI implementation - that is, that BADI implementations are not created solely with existing filter values, although this, too, is possible.
2. Multiple-Use
3. Filter-Dependent
Instance Methods can access all of the attributes of a class and can trigger all events of a class. Static Methods can only access static attributes and static events.
Exceptions:
Events:
Events can be defined in classes or in interfaces. Corresponding methods can trigger these events with the RAISE EVENT statement. Each class (or interface) that is going to handle the corresponding event must implement a relevant handler method, and register it using the SET HANDLER statement. When an event occurs, the system calls all of the handler methods registered for that event.
Like method definitions, events have a parameter interface. The only difference is that events may only have EXPORTING parameters.
BADI : Businees Add IN's
Business Add-Ins are SAP enhancement technique based on ABAP Objects.
Where the SAP standard program is not going to fullfill the client requirement , we are going to add our own program to SAP standard program, without changing the standard prog.
Each Business Add-In has
at least one Business Add-In definition
a Business Add-In interface
a Business Add-In class that implements the interface
Each BADI has two different Views.
1.Definition view
2.Implementation view
T.C for BADI Definition is SE18.
T.C for BADI Implementation is SE19.
There are multiple ways of searching for BADI.
Finding BADI Using CL_EXITHANDLER=>GET_INSTANCE
Finding BADI Using SQL Trace (TCODE-ST05).
Finding BADI Using Repository Information System (TCODE- SE84).
1. Go to the Transaction, for which we want to find the BADI, take the example of Transaction VD02. Click on System->Status. Double click on the program name. Once inside the program search for CL_EXITHANDLER=>GET_INSTANCE.
Make sure the radio button In main program is checked. A list of all the programs with call to the BADIs will be listed.
The export parameter EXIT_NAME for the method GET_INSTANCE of class CL_EXITHANDLER will have the user exit assigned to it. The changing parameter INSTANCE will have the interface assigned to it. Double click on the method to enter the source code.Definition of Instance would give you the Interface name.
2. Start transaction ST05 (Performance Analysis).
Set flag field "Buffer trace"
Remark: We need to trace also the buffer calls, because BADI database tables are buffered. (Especially view V_EXT_IMP and V_EXT_ACT)
Push the button "Activate Trace". Start transaction VA02 in a new GUI session. Go back to the Performance trace session.
Push the button "Deactivate Trace".
Push the button "Display Trace".
The popup screen "Set Restrictions for Displaying Trace" appears.
Now, filter the trace on Objects:
V_EXT_IMP
V_EXT_ACT
Push button "Multiple selections" button behind field Objects
Fill: V_EXT_IMP and V_EXT_ACT
All the interface class names of view V_EXT_IMP start with IF_EX_. This is the standard SAP prefix for BADI class interfaces. The BADI name is after the IF_EX_.
So the BADI name of IF_EX_CUSTOMER_ADD_DATA is CUSTOMER_ADD_DATA
3. Go to Maintain Transaction (TCODE- SE93).
Enter the Transaction VD02 for which you want to find BADI.
Click on the Display push buttons.
Get the Package Name. (Package VS in this case)
Go to TCode: SE84->Enhancements->Business Add-inns->Definition
Enter the Package Name and Execute.
Here you get a list of all the Enhancement BADIs for the given package MB.
Have a look at http://help.sap.com/saphelp_nw04/helpdata/en/04/f3683c05ea4464e10000000a114084/content.htm
http://help.sap.com/saphelp_erp2005/helpdata/en/73/7e7941601b1d09e10000000a155106/frameset.htm
http://support.sas.com/rnd/papers/sugi30/SAP.ppt
http://www.sts.tu-harburg.de/teaching/sap_r3/ABAP4/abapindx.htm
http://members.aol.com/_ht_a/skarkada/sap/
http://www.ct-software.com/reportpool_frame.htm
http://www.saphelp.com/SAP_Technical.htm
http://www.kabai.com/abaps/q.htm
http://www.guidancetech.com/people/holland/sap/abap/
http://www.planetsap.com/download_abap_programs.htm
http://help.sap.com/saphelp_nw04/helpdata/en/c8/1975cc43b111d1896f0000e8322d00/content.htm
/people/thomas.weiss/blog/2006/04/03/how-to-define-a-new-badi-within-the-enhancement-framework--part-3-of-the-series
/people/thomas.weiss/blog/2006/04/18/how-to-implement-a-badi-and-how-to-use-a-filter--part-4-of-the-series-on-the-new-enhancement-framework
How to develop BADI
Rewards if useful.

.can anybody explain the bdc with help of an example

i am new to bdc .can anybody explain the bdc with help of an example

Hi,
BDC is method to transfer legacy data into R3 system.
Data transfer can be done in any one method below:
BDC
LSMW
Direct Input method
BAPI
Of these BDC is subdivided into 2 types,
Call Transaction and Session method (TCode: SM35)
Let me give the sample prg for Call Transaction method.
tables ZMATMASTER.
DATA : itab like TABLE OF ZMATMASTER WITH KEY DESCRIPTION with header line.
DATA : IT_BDC LIKE TABLE OF BDCDATA WITH HEADER LINE.
DATA : IT_MSG LIKE TABLE OF BDCMSGCOLL WITH HEADER LINE.
CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
 FILENAME = 'C:\Material.txt'
 FILETYPE = 'ASC'
 HAS_FIELD_SEPARATOR = '#'
TABLES
 DATA_TAB = itab.
LOOP AT ITAB.
 PERFORM BDC_HEADER USING 'ZFILE_DOWNLOAD' 9001.
 PERFORM BDC_DATA USING 'BDC_OKCODE' 'SAVE'.
 PERFORM BDC_DATA USING 'ZMATMASTER-MNO' ITAB-MNO.
 PERFORM BDC_DATA USING 'ZMATMASTER-DESCRIPTION' ITAB-DESCRIPTION.
 PERFORM BDC_DATA USING 'ZMATMASTER-PLANT' ITAB-PLANT.
 PERFORM BDC_DATA USING 'ZMATMASTER-SLOC' ITAB-SLOC.
 PERFORM BDC_DATA USING 'ZMATMASTER-ROL' ITAB-ROL.
 PERFORM BDC_DATA USING 'ZMATMASTER-UOM' ITAB-UOM.
 PERFORM BDC_DATA USING 'ZMATMASTER-PRICE' ITAB-PRICE.
 PERFORM BDC_DATA USING 'ZMATMASTER-DDAYS' ITAB-DDAYS.
 PERFORM BDC_DATA USING 'ZMATMASTER-FLOT' ITAB-FLOT.
ENDLOOP.
CALL TRANSACTION 'ZTRANSCODES'
 USING IT_BDC
 MODE 'A'
 UPDATE 'S'
 MESSAGES INTO IT_MSG.
FORM BDC_HEADER USING PROGRAMNAME SCREENNO.
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 IT_BDC-DYNPRO = SCREENNO.
 IT_BDC-DYNBEGIN = 'X'.
 APPEND IT_BDC.
ENDFORM.
FORM BDC_DATA USING FNAME FVALUE.
 CLEAR IT_BDC.
 IT_BDC-FNAM = FNAME.
 IT_BDC-FVAL = FVALUE.
 APPEND IT_BDC.
ENDFORM.
In session method, log file can be viewed.
Foll. is the example for session method.
REPORT ZBDC_BATCH1 .
TABLES: ZEMPREC.
DATA : BEGIN OF STR1,
 EMPNO(3),
 EMPNAME(15),
 SALARY(9),
 DOJ(10),
 END OF STR1.
DATA: FNAME(100) TYPE C VALUE 'C:\EMPLOYEE.TXT.,
DATA : BDCITAB LIKE TABLE OF BDCDATA WITH HEADER LINE,
 MSGITAB LIKE TABLE OF BDCMSGCOLL WITH HEADER LINE.
OPEN DATASET: FNAME FOR INPUT IN TEXT MODE ENCODING DEFAULT.
perform open_group.
DO .
READ DATASET FNAME INTO STR1.
IF SY-SUBRC <> 0 .
 EXIT.
ENDIF.
perform bdc_dynpro using 'ZBDC_BATCH' '9000'.
perform bdc_field using 'ZEMPREC-EMPNO'
 STR1-EMPNO.
perform bdc_field using 'ZEMPREC-EMPNAME'
 STR1-EMPNAME.
perform bdc_field using 'ZEMPREC-SALARY'
 STR1-SALARY.
perform bdc_field using 'ZEMPREC-DOJ'
 STR1-DOJ.
ENDDO.
CLOSE DATASET FNAME.
perform bdc_transaction using 'ZTCODE'.
perform close_group.
CLOSE DATASET FNAME1.
CALL TRANSACTION 'SM35'.
FORM open_group
FORM open_group .
CALL FUNCTION 'BDC_OPEN_GROUP'
 EXPORTING
 CLIENT = SY-MANDT
 GROUP = 'sample'
 HOLDDATE = SY-DATUM
 KEEP = 'X'
 USER = SY-UNAME.
ENDFORM. "open_group
FORM bdc_transaction
--> TCODE
form bdc_transaction USING TCODE.
CALL FUNCTION 'BDC_INSERT'
 EXPORTING
 TCODE = 'ZTCODE'
 TABLES
 DYNPROTAB = BDCITAB.
ENDFORM. "bdc_transaction
FORM close_group
FORM close_group.
CALL FUNCTION 'BDC_CLOSE_GROUP'.
ENDFORM. "close_group
FORM BDC_DYNPRO
--> PROGRAM
--> SCREEN
FORM BDC_DYNPRO USING PROGRAM SCREEN.
CLEAR BDCITAB.
BDCITAB-PROGRAM = PROGRAM.
BDCITAB-DYNPRO = SCREEN.
BDCITAB-DYNBEGIN = 'X'.
APPEND BDCITAB.
ENDFORM. "BDC_DYNPRO
FORM BDC_FIELD
--> FNAM
--> FVAL
FORM BDC_FIELD USING FNAM FVAL.
CLEAR BDCITAB.
BDCITAB-FNAM = FNAM.
BDCITAB-FVAL = FVAL.
APPEND BDCITAB.
ENDFORM. "BDC_FIELD
Hope now u get an idea abt BDC.
Regards,
Router

Explain with this example abt cenvat details?

can u plz explain with this example
Purchase Order (P.O) (We give Vendor No, Rate, Material, Tax Code)
***Basic Amount 100.00***
***Excise Duty @ 16% 16.00***
o
+ 116.00***
***VAT@ 4% 5.00***
***(On Basic + Excise) 121.00***
Sale Order: (SO): (We give Customer No, Qty, Rate, Material, Tax Code (Manually/Automatically)
Basic Amount 300.00
Excise Duty @ 16% 48.00
348.00*
VAT@ 4% 1300
(On Basic + Excise) 361.00
what will happenning in rg23a,rg23c, rg23d & pla ?
explain the utilization also

Hi,
When you capture excise invoice against GR, Excise gets Credited to your account RG23A or RG23C accounts. When you generate sales excise invoice, you can utilize the credit available.
With above process RG23 registers will be updated.
RG23D will be updated when there is Depot receipt (J1IG) and Issue(J1IJ) transaction.

Why does GET_STATIC_ATTRIBUTES or SET_STATIC_ATTRIBUTES change lead selecti

I loop over all elements of a context node, and change some attributes.
The code looks like this:
      LOOP AT lt_element_list INTO lo_el_element.
        lo_el_element->get_static_attributes( IMPORTING static_attributes = ls_element ).
        ls_element-created_by_name = get_user_name( iv_user_id = ls_element-created_by ).
        ls_element-changed_by_name = get_user_name( iv_user_id = ls_element-changed_by ).
        lo_el_element->set_static_attributes( EXPORTING static_attributes = ls_element ).
      ENDLOOP.
This coding seems to change the the lead selection of the context node, which leads to problems somewhere else.
Why does it change the lead selection and how can I prevent it?

hi daniel.....
         i dont think there is a need for looping in this manner.
         you just get all the values of a node into an internal table.
         and then loop the internal table an make changes in it.
         then clear the node and pass this currently changed internal table into the node.
          the lead selection changes because you are setting the attribute and it might be stored in index 1 or the to the index where the lead selection is referred to. this might be your problem.
---regards,
   alex b justin

Explain Cardinality,Singleton Property & Lead selection

Hi All,
Please explain me in detail the concepts of Cardinality,Singleton Property & Lead selection.
I had already gone through enough documents and have very vague idea.
Regards,
Venkat.

Hi Venkat,
Please check the [document|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/a048387a-0901-0010-13ac-87f9eb649381?quicklink=index&overridelayout=true]
Hope that will helps you.
Thanks
Arun

EXPLAIN LEAD SELECTION WITH AN EXAMPLE? WHY IT IS IMPORTANT?

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