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From flat structure how can i make hierarchial structure-
col1 col2 col3 col4---> (CHILD)
--------------------------------
A
A B C
A B D E
A B F
A B G H
A J G I
i want to out put like -
A+
if you click on + beside A, B+,J will open...
....
A sample application is attached which may give you some clues for implementing what you want.