目录树 服务器控件

<asp:TreeView ID="TreeView1" runat="server" EnableTheming="True"  onclick="EditCategory();" >
                    </asp:TreeView>

        private void InitialTreeDataBind(TreeNodeCollection Nds, string parentid)
        {
            TreeNode TreeTopNode = new TreeNode("游戏名", "0");
            Nds.Add(TreeTopNode);

            DataTable dtTable = BllAccess.GetKbsCategory.GetCategorys(1);
            if (dtTable != null)
            {
                for (int intIndex = 0; intIndex < dtTable.Rows.Count; intIndex++)
                {
                    TreeNode Tree1 = new TreeNode(dtTable.Rows[intIndex]["CategoryName"].ToString(), dtTable.Rows[intIndex]["CategoryID"].ToString());
                    TreeTopNode.ChildNodes.Add(Tree1);

                    int tree1CategoryID = int.Parse(dtTable.Rows[intIndex]["CategoryID"].ToString());

                    DataTable dtTable2 = BllAccess.GetKbsCategory.GetCategorys(2);

                    if (dtTable2 != null)
                    {
                        for (int intIndex2 = 0; intIndex2 < dtTable2.Rows.Count; intIndex2++)
                        {
                            if (tree1CategoryID == int.Parse(dtTable2.Rows[intIndex2]["ParentCategoryID"].ToString()))
                            {
                                TreeNode Tree2 = new TreeNode(dtTable2.Rows[intIndex2]["CategoryName"].ToString(), dtTable2.Rows[intIndex2]["CategoryID"].ToString());

                                Tree1.ChildNodes.Add(Tree2);
                            }
                        }
                    }

                    //Nds.Add(NewNode);

                }
            }
        }