Seeking Help:Using TreeByNestingTableColumn UI element

Dear All,
I have a set of search results in a resultset.Each result belongs to a category.
For example,(refer below) lets say i have 4 results in the resultset and 3 of them belong to category 11
and one belongs to category12.
Now what i want is to display the results in a tree structure such as below using a TreeByNestingTableColumn UI element :  
Category
  Category1
     Category11
     result1
     result2
     result3             
     Category12
       result4
  Category 2
Note:category 2 should be visible only if it has some records under it.
So,I have the records in the ResultSet and i have to arrange them as above.The records in the resultset will have only categories at the level of Category11 or Category12 and not the parents.The parents also have to be taken from a master table.
I'll appreciate any thoughts on this.

Hi Karambir,
you have to create a context node with value attributes for data which you want so show and with a recursion node. Additionally you must define attribute value for control (properties you bind to UIElement properties  visible, isLeaf, expanded), in run time you must fill it with data from result set and set proper values for control properties (e.g. false for visible in category which have no result to show). In MasterColumn (treeBy NestingTableColumn element) you must bund properties to context and that should work:)
I afraid my description is complicated a little but I hope that can help you solve your problem.
Regards
Bogdan

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