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Cannot get the properties of the tree root node

edited Mar 27, 2012 8:01PM in Oracle Forms (MOSC) 6 commentsAnswered
 Hi All,
I am trying to expand or collapse selected node to all levels. I am using forms 10g. Here is the example code I am using. It is giving "Cannot get the properties of the tree root node" error for last node in the tree. Say for example I have following data

KING
    1
    2
ADAMS
    1
    2
ROSE
   1
   2

After selecting ROSE and try to expand or collapse. I am getting above error. It is working fine If I select King or Adams. Please help me.

PROCEDURE expand_collapse_node ( tree_name IN VARCHAR2 ,  trigger_node IN VARCHAR2,  type IN VARCHAR2 DEFAULT 'COLLAPSE') IS

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