学步园

http://www.cnblogs.com/xiachufeng/archive/2009/12/29/1635538.html

TreeNode node = new TreeNode();
            node.Text = "上海";
            node.Value = "上海";
            this.TreeView2.Nodes.Add(node);

            TreeNode node1 = new TreeNode();
            node1.Text = "浦东";
            node1.Value = "浦东";
            node.ChildNodes.Add(node1);
           
            TreeNode DongGouNode = new TreeNode();
            DongGouNode.Text = "东沟";
            DongGouNode.Value = "东沟";
            node1.ChildNodes.Add(DongGouNode);

            TreeNode node2 = new TreeNode();
            node2.Text = "嘉定";
            node2.Value = "嘉定";
            node.ChildNodes.Add(node2);

            TreeNode BeiJingNode = new TreeNode();
            BeiJingNode.Text = "北京";
            BeiJingNode.Value = "beijing";
            this.TreeView2.Nodes.Add(BeiJingNode);