I'm looking for some references about the Folder Tree,or Tree Level.
And the contents of the Tree level is a dynamic data,or i mean the data is pull from
Actually,i'm designing a shopping cart whereby this cart has multiple level.
The 1-st level is Product Catalog,2-nd level is Product Category and the 3-rd level is
So,i'd like to display the cart in a tree format.Where by all these records are pull from