How to bind the attribute in the context to a dynamic created element?

Hi, experts,
There are some attributes in the node context(ee_node) that contained the attribute named "ANSSA" in the view(test_view) in the WDA for abap. In the method modifyview of the view(there is a transfered parameter that represent the name of "ANSSA")
I want to create a dynamic element(inputfield) in the test_view. The element need bind the context attribute (ANSSA).Through the transfered parameter(para), I only know the name of the attribute binded.
How can I bind the attribute of the context in the following code?
METHOD modifyview .
*importing para type string.
*importing m_view type ref to if_wd_view.
data wd_inputfield type ref to cl_wd_input_field.
create one element automatically in the view.
wd_inputfield = CL_WD_INPUT_FIELD=>NEW_INPUT_FIELD(
                                    view = m_view
                                    id = para
                                    BIND_VALUE = ???
ENDMETHOD.
I don't know how to replace the "???" in the method modifyview? Do you give me some hint for it?
You can reply back to me via e-mail if you think we should discuss this internally at [email protected] or [email protected]
Thanks.
Best regards,
tao

Hi, Suresh,
Thanks a lot for your help.
The last mail have some errors. Now, I modify my code error. The following is my new code in the wddomodifyview method in the ADDR_AUTO_DISP_VIEW view.
Now, I modify my code. The following is my new code in the wddomodifyview method in the ADDR_AUTO_DISP_VIEW view.
METHOD wddomodifyview .
importing view   type ref to if_wd_view.
DATA      transparent_container           TYPE REF TO cl_wd_transparent_container.
DATA      inputfield                      type ref to cl_wd_input_field.
transparent_container ?= view->get_element( `TRANSPARENT_CONTAINER` ).
transparent_container->set_visible(
    EXPORTING
      value = if_wdl_core=>visibility_visible ).
wd_this->SET_DYNAMIC_INPUT(
   EXPORTING
     inputfield_ID = 'ANSSA'
   IMPORTING
     INPUTFIELD    = inputfield
**************The web page will occur error when running the WDA as soon as I write the code.***********
transparent_container->add_child( THE_CHILD = inputfield ).
ENDMETHOD.
The following is the code of the SET_DYNAMIC_INPUT method.
method SET_DYNAMIC_INPUT .
*importing
*INPUTFIELD_ID    type STRING
*exporting
*INPUTFIELD    type ref to CL_WD_INPUT_FIELD
Data binded_context       type string.
concatenate 'ADDR_AUTO_DISP_VIEW.EE_ADDRESS.' INPUTFIELD_ID into binded_context .
inputfield = CL_WD_INPUT_FIELD=>NEW_INPUT_FIELD(
id = inputfield_id
read_only = abap_true
BIND_VALUE = binded_context
endmethod.
When I run the WDA, The web page occuring the error information:
Note
The following error text was processed in the system DEV : Access via 'NULL' object reference not possible.
The error occurred on the application server devserver_DEV_00 and in the work process 0 .
The termination type was: RABAX_STATE
The ABAP call stack was:
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L8STANDARD==============CP
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L7STANDARD==============CP
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L8STANDARD==============CP
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L8STANDARD==============CP
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L7STANDARD==============CP
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L8STANDARD==============CP
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L8STANDARD==============CP
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L7STANDARD==============CP
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L7STANDARD==============CP
Method: IF_WDR_VIEW_ELEMENT_ADAPTER~SET_CONTENT of program /1WDA/L8STANDARD==============CP
But when I delete the code of the wddomodifyview, and create a inputfield in the layout of the view, and bind the "ANSSA" to the "value" property in the layout, the WDA is running correctly.
Do you give me some hints?
Thanks a million.
Best regards,
tao

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