ASP.Net MVC3 Dynamic Dropdown Treeview using Razor view engine

Build an ASP.Net MVC3 project using the Razor view engine to display a dynamically generated TreeView: * Project will consist of one Model, one View and one Controller * The Model and Controller will be written in C# * The View will use the Razor syntax * The controller will query data from Microsoft's AdventureWorks sample database * The view will contain a TreeView that is at least four levels deep * Source Data Table Definition will be from Microsoft's Adventureworks Sample Database - table ProductCategory table * Be sure to insert additional child records to form nested relationships at least four levels deep (original ProductCategory table data is only two deep) * Dropdown with unselected value will display with "--select--" on the screen. (see image on details) * Dropdown with selected item will display the Name as selected text, selected value will contain the ProductCategoryID. (see image on details) * Dropdown when open should contain visual clues to the hierarchical structure (lines if possible). (see image on details) * Must be able to style completely with CSS ## Deliverables Please see the attached image file for a visual example of what is to be achieved.