Exercises for Dynamic Programming

Hi Everybody,
I am New to Dynamic programming in ABAP-Webdynpro.
Can any body suggest me few webdynpro exercises so that I can Practice.
Regards,
Xavier

Hi,
check these programs
DEMO_CONTEXT_MENU_DYNAMIC
DemoDynamic
WDR_TEST_DYNAMIC
WDR_TEST_DYNAMIC_1
WDR_TEST_DYNAMIC_2
WDR_TEST_DYNAMIC_3
WDR_TEST_DYNAMIC_CI
Also check this blog really help ful to you
Dynamic Programming in Web Dynpro ABAP - Introduction and Part I
Dynamic Programming in Web Dynpro ABAP - Introduction and Part I: Understanding UI Elements
Dynamic Programming in Web Dynpro ABAP - Part II: Handling ViewElements
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/4c70444a-0801-0010-7688-9e4bd844b783
Edited by: suman kumar chinnam on Oct 23, 2008 7:42 AM

Similar Messages

Set id for dynamicly programmed link_to_action elements

Hello.
I create dynamicly a lot of link_to_action elements in an table.
if i click on an element, it call the onaction-action where i get my event.
now i can get the id of the link_to_url, but can i set the id for each link_to_action?
thanks
marcus
Edited by: Marcus Ventur on Jan 14, 2009 2:52 PM

You don't need to set different id. Instead look at the importing parameters of the linkToAction event. It has an importing parameter of context_element:
http://help.sap.com/saphelp_nw70ehp1/helpdata/en/3a/ebee412e5e6324e10000000a1550b0/frameset.htm
This gives you a direct reference to the context element (row) that the linkToAction originated from.

How to find function code for Dynamic generated program

Hi,
I have created a dynamic program for getting different selection screens depending on inputs . I am finding a flaw that, pressing 'BACK' buttn is leading some other action which was coded by me, instead of going back.
SY-UCOMM is also not working as it is dynamic program.
Help me for getting previous screen.
Please suggest me the inputs.Thank u
Regards
Aditya

Hi Klaus,
As per ur instructions, I replaced SY-UCOMM with SSCRFIELDS.
But no change in my problem.
The following screen shot is a program which is coded dynamically using fieldsymbols.
When I press BACK here for the following code selectionscreen, I am getting someother action which was coded by me. But not going back.
Twist is, SSCRFIELDS-UCOMM or SY-UCOMM is getting captured for 'F8', but not 'BACK'.
I hope, I have explained my issue clearly. Please let me know, if any deep clarifications needed.
Regards,
Aditya

Custom program for Dynamic Actions

Iam using BDCs for Actions and Org.Assignment infotypes. The dynamic actions are planned to be carried out by using separate function modules.
My query is, On the plausibility check conditions lots of structures are referred (eg: PSPAR,RP50D etc). How do i perform this condition check in the custom program (for dynamic actions) as these structures do not have any data?
Thanks
Message was edited by: SShenoy

1. PSAVE-FIELDNAME will use the old values in the FIELD. It will be used in cases when we have to do plausibility checks on the basis of new as well as old value, eg, we want to use dynamic action for employees whose status changes from 'inactive' to 'active'
2. Sequence no represents sequence no. If for a particular Infotype and FCode, we have to specify which step has to be performed first. Sequence no tells the system exactly this thing.
Regards
Lincoln

Java Programming Exercises for Begginers?

I am doing some self study on JAVA and looking for some programming exercises. If anyone could give me resources it would be a lot of help. thanks
Message was edited by:
the_atom

Both these links are pretty good.
http://www.freejavaguide.com/corejava.htm
http://www.java.sun.com/docs/books/tutorial/

Download a special kind of internal table (dynamic programming)

Hi guys,
with dynamic programming, i've created a complex internal table of this type :
KNA1                          |
KNB1                          |
GS_CUSTOMERADDRESS            |
GS_CUSTOMERGENERALDETAIL      |
The declaration of the internal table is :
TYPES: BEGIN OF gty_record,
        table TYPE tabname,
        dataref TYPE REF TO data,
       END OF gty_record.
This means that each line, has a different line-type. In the first field of the table, i have the name of the structure. In the second, the data-part (in debug double click on leads to structure contents - field by field).
The structure KNA1 contains C and packed (P) fields also so when i pass the internal table to FM GUI_DOWNLOAD, i have this short-dump : UC_OBJECTS_NOT_CONVERTIBLE.
Is there a way to solve this problem quickly?
The goals is download all data of a customer into a local file. Data is distribuited on different structures, readed by standard bapi 'BAPI_CUSTOMER_GETDETAIL2'. This file will be read in another program, of another system.
Any hints/suggestion will be appreciated.
Thanks a lot.
Andrea

Hi Sandra,
thx for you suggestions.
About your answer :
" Or use a DO. ASSIGN COMPONENT sy-index OF STRUCTURE ... to loop at each field, and do whatever you want with them (using WRITE ... TO ... for example, to convert numbers into text)."
I cannot use this approach to the problem, because i should keep in mind the dimension of single fields and the blanks should be concatenated also, but RESPECTING BLANK switch of concatenate instruction doesen't exists in 4.7 abap.
Sure, i can use a workaround, but i'll have a lot of programming.
"you could use XML for instance. It's rather standard! By using CALL TRANSFORMATION ID SOURCE dataObject RESULT XML string."
This could be the solution. I've already read some posts about it before write mine. I should test it: i don't know if in 4.7 release works. So i could transform the internal table to xml and save to text file.
But then, how i can read xml string and mapping again in this special kind of table ?
Is CALL TRANSFORMATION ID SOURCE XML String RESULT Dataobject instruction sufficient to perform this task?
Thanks a lot
Andrea
BR
Sandra

Dynamic Programming

Hi All
Can anyone send me some good documents in the below topics, it is urgent
1) Dynamic Programming
2) ABAP Objects
A Good documents will get rewarded.
Thanks Prasad

Parameter mapping
normal ABAP is process oriented, where is OOP-ABAP is a new methodology in ABAP which uses object oriented programming.
we have C++, java, C#, etc as OOP languages.
ABAP has also implemented the OOP technology.
it uses classes, methods and interfaces instead of functiongroups and function modules.
As part of SAPs long-standing commitment to object technology, Release 4.0
of R/3 will contain object-oriented enhancements to the ABAP programming
language. SAPs object strategy is based on SAP Business Objects and now
covers modeling, programming, interfacing, and workflow. By using principles
like encapsulation, inheritance, and polymorphism, the object-oriented
extensions of ABAP will support real object-oriented development. This will
result in improvements in the areas of reusability, maintenance, and quality of
code. SAP offers an evolutionary approach toward objects which leverages
SAPs own and its customers investments in existing business processes,
functionality and data.
follow this link ABAP OBJECTS with good examples.......
http://help.sap.com/saphelp_nw2004s/helpdata/en/ce/b518b6513611d194a50000e8353423/content.htm
check the below links lot of info and examples r there
http://www.sapgenie.com/abap/OO/index.htm
http://www.geocities.com/victorav15/sapr3/abap_ood.html
http://www.brabandt.de/html/abap_oo.html
Check this cool weblog:
/people/thomas.jung3/blog/2004/12/08/abap-persistent-classes-coding-without-sql
/people/thomas.jung3/blog/2004/12/08/abap-persistent-classes-coding-without-sql
http://help.sap.com/saphelp_nw04/helpdata/en/c3/225b6254f411d194a60000e8353423/frameset.htm
http://www.sapgenie.com/abap/OO/
http://www.sapgenie.com/abap/OO/index.htm
http://help.sap.com/saphelp_nw04/helpdata/en/c3/225b5654f411d194a60000e8353423/content.htm
http://www.esnips.com/doc/375fff1b-5a62-444d-8ec1-55508c308b17/prefinalppt.ppt
http://www.esnips.com/doc/2c76dc57-e74a-4539-a20e-29383317e804/OO-abap.pdf
http://www.esnips.com/doc/5c65b0dd-eddf-4512-8e32-ecd26735f0f2/prefinalppt.ppt
http://www.allsaplinks.com/
http://www.sap-img.com/
http://www.sapgenie.com/
http://help.sap.com
http://www.sapgenie.com/abap/OO/
http://www.sapgenie.com/abap/OO/index.htm
http://www.sapgenie.com/abap/controls/index.htm
http://www.esnips.com/doc/2c76dc57-e74a-4539-a20e-29383317e804/OO-abap.pdf
http://www.esnips.com/doc/0ef39d4b-586a-4637-abbb-e4f69d2d9307/SAP-CONTROLS-WORKSHOP.pdf
http://www.sapgenie.com/abap/OO/index.htm
http://help.sap.com/saphelp_erp2005/helpdata/en/ce/b518b6513611d194a50000e8353423/frameset.htm
http://www.sapgenie.com/abap/OO/
these links
http://help.sap.com/saphelp_47x200/helpdata/en/ce/b518b6513611d194a50000e8353423/content.htm
For funtion module to class
http://help.sap.com/saphelp_47x200/helpdata/en/c3/225b5954f411d194a60000e8353423/content.htm
for classes
http://help.sap.com/saphelp_47x200/helpdata/en/c3/225b5c54f411d194a60000e8353423/content.htm
for methods
http://help.sap.com/saphelp_47x200/helpdata/en/08/d27c03b81011d194f60000e8353423/content.htm
for inheritance
http://help.sap.com/saphelp_47x200/helpdata/en/dd/4049c40f4611d3b9380000e8353423/content.htm
for interfaces
http://help.sap.com/saphelp_47x200/helpdata/en/c3/225b6254f411d194a60000e8353423/content.htm
For Materials:
1) http://help.sap.com/printdocu/core/Print46c/en/data/pdf/BCABA/BCABA.pdf -- Page no: 1291
2) http://esnips.com/doc/5c65b0dd-eddf-4512-8e32-ecd26735f0f2/prefinalppt.ppt
3) http://esnips.com/doc/2c76dc57-e74a-4539-a20e-29383317e804/OO-abap.pdf
4) http://esnips.com/doc/0ef39d4b-586a-4637-abbb-e4f69d2d9307/SAP-CONTROLS-WORKSHOP.pdf
5) http://esnips.com/doc/92be4457-1b6e-4061-92e5-8e4b3a6e3239/Object-Oriented-ABAP.ppt
6) http://esnips.com/doc/448e8302-68b1-4046-9fef-8fa8808caee0/abap-objects-by-helen.pdf
7) http://esnips.com/doc/39fdc647-1aed-4b40-a476-4d3042b6ec28/class_builder.ppt
8) http://www.amazon.com/gp/explorer/0201750805/2/ref=pd_lpo_ase/102-9378020-8749710?ie=UTF8
1) http://www.erpgenie.com/sap/abap/OO/index.htm
2) http://help.sap.com/saphelp_nw04/helpdata/en/ce/b518b6513611d194a50000e8353423/frameset.htm
these are the links
Check this for basic concepts of OOPS
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/webas/abap/abap%20code%20samples/abap%20objects/abap%20code%20sample%20to%20learn%20basic%20concept%20of%20object-oriented%20programming.doc
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/webas/abap/abap%20code%20samples/alv%20grid/abap%20code%20sample%20to%20display%20data%20in%20alv%20grid%20using%20object%20oriented%20programming.doc
Tabstrip
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/webas/abap/abap%20code%20samples/alv%20grid/abap%20code%20sample%20for%20tab%20strip%20in%20alv.pdf
Editable ALV
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/webas/abap/abap%20code%20samples/alv%20grid/abap%20code%20sample%20to%20edit%20alv%20grid.doc
Tree
http://www.sapdevelopment.co.uk/reporting/alv/alvtree/alvtree_usrint.htm
General Tutorial for OOPS
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/webas/abap/an%20easy%20reference%20for%20alv%20grid%20control.pdf
http://www.sapdevelopment.co.uk/reporting/alvhome.htm
http://www.sap-img.com/abap/what-is-alv-programming.htm
http://www.sap-img.com/abap-function.htm
http://www.geocities.com/mpioud/Abap_programs.html
http://www.sapdevelopment.co.uk/reporting/alv/alvtree%5Calvtree_basic.htm
http://esnips.com/doc/ad20dca9-6182-4903-8d8f-96a66dc8590c/ALV.pdf
http://www.sap-img.com/abap-function.htm
Classical ALV:
http://www.geocities.com/mpioud/Abap_programs.html
OOPS ALV:
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/e8a1d690-0201-0010-b7ad-d9719a415907
Also Chk this standard Programs.
ABAP_OBJECTS_ENJOY_0 Template for Solutions of ABAP Object Enjoy Course
ABAP_OBJECTS_ENJOY_1 Model Solution 1: ABAP Objects Enjoy Course
ABAP_OBJECTS_ENJOY_2 Model Solution 2: ABAP Objects Enjoy Course
ABAP_OBJECTS_ENJOY_3 Model Solution 3: ABAP Objects Enjoy Course
ABAP_OBJECTS_ENJOY_4 Model Solution 4: ABAP Objects Enjoy Course
ABAP_OBJECTS_ENJOY_5 Model Solution 5: ABAP Objects Enjoy Course
DEMO_ABAP_OBJECTS Complete Demonstration for ABAP Objects
DEMO_ABAP_OBJECTS_CONTROLS GUI Controls on Screen
DEMO_ABAP_OBJECTS_EVENTS Demonstration of Events in ABAP Objects
DEMO_ABAP_OBJECTS_GENERAL ABAP Objects Demonstration
DEMO_ABAP_OBJECTS_INTERFACES Demonstration of Interfaces in ABAP Objects
DEMO_ABAP_OBJECTS_METHODS Demonstration of Methods in ABAP Objects
DEMO_ABAP_OBJECTS_SPLIT_SCREEN Splitter Control on Screen
Reward points if found helpful

FAGLL03 : Submit syntax for dynamic selections

Hi Experts,
My z report contains following fields in selction screen.
1 . G/ L account
2. Comapny code
3. posting date
4. document type
5. layout
In my z report i used following syntax for passing selection screen values to standard program and getting data.
SUBMIT FAGL_ACCOUNT_ITEMS_GL
                  WITH SD_SAKNR   IN S_SAKNR
                  WITH SD_BUKRS   IN S_BUKRS
                  WITH X_OPSEL    EQ ' '
                  WITH X_CLSEL    EQ ' '
                  WITH X_AISEL    EQ 'X'
                  WITH SO_BUDAT   IN S_BUDAT
                  WITH PA_VARI    EQ P_VAR
                  EXPORTING LIST TO MEMORY
                 AND RETURN.
The above syntax is not working for dynamic selection field ( document type ), entire document types data is fetching from standard program. I want to fetch document type data based on my z report selection values for document type field.
Expect for document type field , submit syntax is working.
kindly provide submit syntax for my above requirement .
Any suggestions from experts....
thanks & regards,
Hari priya
Edited by: Hari Priya on Aug 24, 2009 4:33 PM

Hi,
Try like this.
call function 'RS_REFRESH_FROM_SELECTOPTIONS'
exporting
    curr_report = 'FAGL_ACCOUNT_ITEMS_GL'
tables
    selection_table = i_sel[].
Fill your profit center values in i_sel
Submit FAGL_ACCOUNT_ITEMS_GL with selection-table i_sel and return
WITH FREE SELECTIONS TEXPR AND RETURN
Regards,
Shamma

DYNAMIC PROGRAMMING IN WEBDYNPRO ABAP.

Hi Experts
How to create input field dynamical and when i click on the input field drop down ui should display,If i click n time the input field that many drop down should be displayed this should be done using dynamic programming.
Waiting for Reply.
Thanks & Regards.
kittu

Hi,
Please search before posting.. discussed many times.
To create Input field dynamically, follow like this...
DATA LR_CONTAINER TYPE REF TO CL_WD_UIELEMENT_CONTAINER.
DATA LR_INPUT TYPE REF TO CL_WD_INPUT_FIELD.
DATA LR_LABEL TYPE REF TO CL_WD_LABEL.
DATA LR_TABLE TYPE REF TO CL_WD_TABLE.
DATA LR_BUTTON TYPE REF TO CL_WD_BUTTON.
DATA LR_GRID_DATA TYPE REF TO CL_WD_GRID_DATA.
DATA LR_FLOW_DATA TYPE REF TO CL_WD_FLOW_DATA.
DATA LR_MATRIX TYPE REF TO CL_WD_MATRIX_HEAD_DATA.
LR_CONTAINER ?= VIEW->GET_ELEMENT( 'ROOTUIELEMENTCONTAINER' ).
CALL METHOD CL_WD_INPUT_FIELD=>NEW_INPUT_FIELD
EXPORTING
BIND_VALUE = ATTRIBUTE
ID = ATTRIBUTE
RECEIVING
CONTROL = LR_INPUT.
lr_matrix = cl_wd_matrix_head_data=>new_matrix_head_data( lr_input ).
lr_input->set_layout_data( lr_matrix ).
LR_CONTAINER->ADD_CHILD( LR_INPUT ).
ENDIF.
Cheers,
Kris.

Submitting a dynamic program with layout name

Hi,
I searched many blogs and the SDN forum but couldn't find a solution.
I need to know the layout fields of an ALV report for a later usage. Let me explain it with code:
I used below code to extract data of a dynamic program.
cl_salv_bs_runtime_info=>set(
EXPORTING display = abap_false
    metadata = abap_true
    data     = abap_true ).
Submit (program) USING SELECTION-SET variant EXPORTING LIST TO MEMORY
            AND RETURN.
TRY.
      cl_salv_bs_runtime_info=>get_data_ref(
IMPORTING r_data = lf_ref ).
      ASSIGN lf_ref->* TO <lt_data>.
    CATCH cx_salv_bs_sc_runtime_info.
      MESSAGE `Unable to retrieve ALV data` TYPE 'E'.
ENDTRY.
cl_salv_bs_runtime_info=>clear_all( ).
CREATE DATA lf_ref1 LIKE LINE OF <lt_data>.
ASSIGN lf_ref1->* TO <lt_line>.
What I need is to submit program with a (known) layout. If it is not possible, how can i modify the ALV report to fit a layout's display properties. (If I can manage to get -dynamic program- layout's visible fields, it will work too.)
Thank you.

Hi ,
Check this LINK you can take help from this
create dynamic varient and pass to Submit program .
[how to create a variant dynamically and get it?;
OR :
you can use function module to get layout names and reprot
ranges: lr_report for ltdx-report,
          lr_handle for ltdx-handle,
          lr_log_group for ltdx-log_group,
          lr_username for ltdx-username,
          lr_variant   for ltdx-variant,
          lr_type      for ltdx-type.
call function 'LT_VARIANTS_READ_FROM_LTDX'
    exporting
      i_tool          = r_tool
      i_text          = r_text
    tables
      et_variants     = rt_variants
      it_ra_report    = lr_report
      it_ra_handle    = lr_handle
      it_ra_log_group = lr_log_group
      it_ra_username = lr_username
      it_ra_variant   = lr_variant
      it_ra_type      = lr_type
    exceptions
      not_found       = 1
      others          = 2.
regards
Deepak.
Edited by: Deepak Dhamat on Jan 23, 2012 8:18 AM

User exit for dynamic layout determination

Hello,
I would to know user exit name for dynamic layout determination for output type of Invoice and Order confirmation.
My user exit should get fired when user press the print preview button in VF03/VA03.
Regards,
Vimal Nair

Hi
I dont' think you need a user exit, but you should manage that directly in print program.
Infact you can choose which output type has to be or not to be loaded in a document by an user exit.
But only in print program you can know if the user has choosen print or print preview.
So check in TNAPR which print program are used for orders or invoice and change them or, if they are std program, you can copy them before changing them.
After calling the sapscript (fm OPEN_FORM) or smartform you can know if user press printpreview by reading the structure of export (like ITCPP for example).
Max
Message was edited by: max bianchi

Submit syntax for dynamic selections for T-code FAGLL03

Hi Experts,
My z report contains following fields in selction screen.
1 . G/ L account
2. Comapny code
3. posting date
4. Profit Center
5. layout
In my z report i used following syntax for passing selection screen values to standard program and getting data.
This is for T-code FAGLL03
SUBMIT FAGL_ACCOUNT_ITEMS_GL
WITH SD_SAKNR IN S_SAKNR
WITH SD_BUKRS IN S_BUKRS
WITH %%DYN001-LOW (Profit Center)
EXPORTING LIST TO MEMORY
AND RETURN.
The above syntax is not working for dynamic selection field ( Profit Center), entire Profit center data is fetching from standard program. I want to fetch profit center data based on my z report selection values .
Expect for profit center field , submit syntax is working.
kindly provide submit syntax for my above requirement .
Any suggestions from experts....
Edited by: PLP REDDY on Nov 25, 2009 8:59 AM

Indeed it won't work. Instead of passing parameters one by one use
[SUIBMIT... WITH SELECTION-TABLE rspar|http://help.sap.com/abapdocu_70/en/ABAPSUBMIT_SELSCREEN_PARAMETERS.htm#!ABAP_ADDITION_3@3@]
Here you add one line per parameter (field KIND = 'P' ) and multiple lines per select options (field KIND = 'S' ). For the latter you need also provide SIGN and OPTIONS, i.e SIGN = 'I' , OPTIONS = 'EQ'
The lin I gave you will explain it more.
Regards
Marcin

Dynamic Programing : WebDynPro ABAP

Hi expert ,
I need to create UI element (Text_view) dynamically ,
can anyone send the code for that one .
Thanks & Regards
Sankar.M

Hi,
Refer to this link -
Dynamic Programing
Regards,
Lekha.

Dynamic programming How to assign a static UI element to a static tray

Hi There,
We are enhancing a standard WDA application and we have a few static UI element created on the view. And now we want to rearrange these element to look like this.
Current:
Root
-> Transparent container1
-> ZTray
-> Transparent container2
target
Root
-> ZTray
     -> Transparent container1
    -> Transparent container2
Can you help me to find out me how can i perform this 'move" assignment using dynamic programming.
Thanks for your inputs.
Rgds

Hi Sudhir,
You can start trying something like this in WDDOMODIFYVIEW.
DATA:
     lo_element       type ref to cl_wd_uielement,
     LO_CONTAINER    TYPE REF TO CL_WD_UIELEMENT_CONTAINER.
IF first_time = abap_true.
    LO_CONTAINER ?= view->get_element( 'ROOTUIELEMENTCONTAINER' ).
    lo_element = LO_CONTAINER->REMOVE_CHILD( ID = 'ZTRAY' ).
    LO_CONTAINER->ADD_CHILD( INDEX = 1
                             THE_CHILD = LO_ELEMENT ).
ENDIF.
I never did something like that. I guess that depending on the layout type of the view this code will need some changes (e.g matrix layout). I tried a simple test with flow layout and worked fine here.

Dynamic Programming - Attribute Mapping

Hi
Im working on Web Dynpro for ABAP Application where Im using dynamic programming.
I've created node and attributes dynamically (using ADD_NEW_CHILD_NODE & ADD_ATTRIBUTE methods resp.) & bound the dynamically created Textedit UI elements to those attributes. The application is running fine upto this.
Now I want to get the text entered in textedit field from the context. For this I'm using GET_ATTRIBUTE method. Here Im getting dump with error message 'Could not find attribute V_TEST.1.CN_INPUT.1.ATTR11 '. When I debug the GET_ATTRIBUTE method, I found out that the internal table DYNAMIC_ATTRIBUTES is initial. The internal table ATTRIBUTES->* is getting populated in the metod ADD_ATTRIBUTE.
Pls suggest the solution or any alternative method for this.

Hi ,
this is happening because the attributes are added dynamically . to get the attribute value at runtime u have to follow the below procedure .
DATA : LR_ROOT_INFO TYPE REF TO IF_WD_CONTEXT_NODE_INFO ,
          LR_NODE_INFO TYPE REF TO IF_WD_CONTEXT_NODE_INFO,
           LR_STRUCTDESCR TYPE REF TO CL_ABAP_STRUCTDESCR ,
           LS_COMPONENT TYPE CL_ABAP_STRUCTDESCR=>COMPONENT,
           LT_COMPONENTS TYPE CL_ABAP_STRUCTDESCR=>COMPONENT_TABLE,
           LR_TYPE TYPE REF TO CL_ABAP_DATADESCR .
LR_TYPE ?= cl_abap_TYPEdescr=>describe_by_name( p_name = 'MATNR' ).
    LS_COMPONENT-NAME = 'MATNR'.
    LS_COMPONENT-TYPE = LR_TYPE .
   APPEND LS_COMPONENT TO LT_COMPONENTS.
LR_TYPE ?= cl_abap_TYPEdescr=>describe_by_name( p_name = 'MAKTX' ).
    LS_COMPONENT-NAME = 'MAKTX'.
    LS_COMPONENT-TYPE = LR_TYPE .
   APPEND LS_COMPONENT TO LT_COMPONENTS.
CALL METHOD cl_abap_structdescr=>create
      EXPORTING
        p_components = LT_COMPONENTS
           receiving
       p_result     = LR_STRUCTDESCR
CATCH cx_sy_struct_creation .
    *ENDTRY.
LR_ROOT_INFO = WD_CONTEXT->GET_NODE_INFO( ).
        CALL METHOD lr_root_info->add_new_child_node
498    EXPORTING
499 *    supply_method                =
500 *    supply_object                =
501 *    dispose_method               =
502 *    dispose_object               =
503 *    static_element_type          =
504      name                         = 'DATA'                                  " NODE NAME
505 *    is_mandatory                 = ABAP_FALSE
506 *    is_mandatory_selection       = ABAP_FALSE
507 *    is_multiple                  = ABAP_TRUE
508 *    is_multiple_selection        = ABAP_TRUE
509 *    is_singleton                 = ABAP_FALSE
510      is_initialize_lead_selection = ABAP_false
511      static_element_rtti          = LR_STRUCTDESCR
512 *    is_static                    = ABAP_TRUE                       " ADD ATTRIBUTE AS STATIC
513 *    attributes                   =
514    receiving
515      child_node_info              = LR_NODE_INFO .
Regards
Yash

Exercises for Dynamic Programming

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