[Code]
        For Each row As DataRow In dt.Rows
            TreeView1.Nodes.Add(new treenode(row.Item("Titolo").ToString, row.Item("Id").ToString))
            Treeview1.Nodes(row.Item("Id").ToString)).Nodes.Add(new treenode(row.Item("AltraInformazione").ToString, row.Item("Titolo").ToString))
        Next
[/Code]