Clear context attribute using SET_ATTRIBUTE_NULL method of interface IF_WD_CONTEXT_NODE









The SET_ATTRIBUTE_NULL method clears the value to an individual field of context element.


The abap code below clears out the CARRID field within the context structure CARRIERS. 

Data: context_node type ref to if_wd_context_node.

***** Clear webdynpro field
* bind field to required context node
  context_node = wd_context->get_child_node( name = 'CARRIERS').
*                   CARRIERS' is the name of the context node

*  Clear field
  context_node->SET_ATTRIBUTE_NULL( name = 'CARRID' ).
                                "Web Dynpro Name of Context Element