To make table cell as read-only based on some condition

Hello ABAPers,
I have a requirement to make the cell in the table of a Web Dynpro component read-only. There are 4 fields in the Table of a view which is mapped to the Context attribute, i.e. function, Number, Description etc. When the value of the Field 'Function' is
'0000016', I have to make the Number field as READ-ONLY(non-editable).
As suggested in SDN forums, I have created the sub-node to the main node in Context and added an attribute 'READ_ONLY'. I have made the cardinality as 1:1. I have also created the Supply Function Method(ZREADONLY) for sub-node that I have created and also set the context binding to the Read only property of the field 'Number' in the View Layout.
PFB the coding I have done in supply function method for setting the read-only attribute for the number field, but it is not working. Could anyone let me know what is the change I have to make this work?
DATA ls_parent_attributes TYPE wd_this->element_partner_h.
DATA l_partner LIKE ls_parent_attributes-partner _fct
Constants c_parent LIKE ls_parent_attributes-partner_fct VALUE '000016'.
DATA ls_zread_only TYPE wd_this->element_zreadonly
parent_element->get_static_attributes(
   IMPORTING
          static_attributes = ls_parent_attributes).
CLEAR l_partner.
l_partner = ls_parent_attributes-partner_fct.
IF l_partner = c_partner.
    ls_zread_only-readonly = abap_true.
     node->bind_structure(
     new_item = ls_zread_only
     set_initial_elements = abap_true ).
ELSE.
    CLEAR ls_zread_only-readonly.
    ls_zread_only-readonly = abap_false.
    node->bind_structure(
     new_item = ls_zread_only
     set_initial_elements = abap_false ).
ENDIF.
Thanks for your time!
Regards,
M M Jaffer

Hi,
the solution is quite simple.
Bind the property reaonly in the layout editor to the property readonly of the context-attribute.
Therfore you have to click at the binding button of the celleditor of the property read-only.
Then you select the radiobutton in front of Bind to the property of the selected Attribute and choose Property R.
In you coding you have to fo the following in case you do that after binding the itab to the context:
node->bind_table( .... ).
data lt_elements type wdr_context_element_set.
lt_elements = node->get_elements( ).
LOOP at lt_elements into element.
element->get_attribute(
      exporting
        name = 'PARTNERFCT'
      importing
        value = lv_partnerfct
if lv_partnerfct eq c_partner.
    call method lo_el_position->set_attribute_property
      exporting
        attribute_name = 'PARTNERFCT'
        property       = element->e_property-required
        value            = 'X'.
else.
    call method lo_el_position->set_attribute_property
      exporting
        attribute_name = 'PARTNERFCT'
        property       = element->e_property-read_only
        value            = ''.
endif.
endloop.
Of corse you have to modify the coding and i didn´t checked the syntax, baut this should help.
Best regards, Matthias

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