Hide or show uielements

Question

Hello,
can I hide or show uielements depending on a customertable. In this custumer table
the uielements have an additional columns as status for display or hide.
Regards
ertas

Answer 1

Hello,
I get this error message:
Node MAIN.1.VISIBILITY does not contain any elements
There are two ddic tables
ZPERSCONFIG contains two fields =fieldname and visiblilty (yes or no)
ZPERS       coantains data about person
I have create a context node VISIBILITY with cardinality 0:1 with a attribute VISIBLE of type CHAR1.
Populate this context node attribute with 'X' OR space based your table entry.
method WDDOINIT .
  data wa type ZPERSCONFIG.
  data lr_node type ref to if_wd_context_node.
  select * from ZPERSCONFIG into table wd_this->TCONF.
  lr_node =  WD_CONTEXT->get_child_node( name = 'VISIBILITY' ).
  LOOP AT wd_this->TCONF INTO wa.
    IF wa-SICHTBAR = 'X'.
      lr_node->SET_ATTRIBUTE( EXPORTING NAME = 'VISIBLE' VALUE =  abap_true ).
    else.
      lr_node->SET_ATTRIBUTE( EXPORTING NAME = 'VISIBLE' VALUE =  abap_false ).
    endif.
  ENDLOOP.
  DATA: lt_kteile TYPE if_main=>elements_pers,
              wa_kteile TYPE if_main=>element_pers,
              lv TYPE REF TO if_wd_context_node.
  lv = wd_context->get_child_node( name = 'PERS' ).
  lv->bind_table( new_items = lt_kteile ).
endmethod.