What is the alternative for treeview in mvc3

I tried to create treeview using database in mvc3, but not getting the correct sollutions. Please tell me any alternative for treeview in MVC3 using databse(sql server 2008)

using below links i tried

http://weblogs.asp.net/mikebosch/archive/2008/11/25/hierarchical-treeview-with-asp-net-mvc-jquery.aspx (full source code not available)

http://weblogs.asp.net/raduenuca/archive/2011/04/24/asp-net-mvc-displaying-a-tree-view-using-a-recursive-declarative-helper-and-jquery.aspx (Values are hardcoded but i tried to implement in sql server but not worked)

Thanks,