/// <summary>   

        /// TreeView控件绑定   

        /// </summary>   

        private void TreeViewBind()

        {

            menulist = Security_MenuBLL.GetList("", "to_number(F4_A404) asc");

            DataSet ds = ConvertToDataSet<Security_MenuEntity>(menulist); //数据源读取所有数据

            DataView dv = ds.Tables[0].DefaultView;

            dv.RowFilter = "F3_A404='0'";   //筛选父ID=0为顶级分类

            TreeView1.ShowCheckBoxes = TreeNodeTypes.All;





            foreach (DataRowView drv in dv)

            {

                TreeNode node = new TreeNode();

                node.Text = drv["F1_A404"].ToString();

                node.Value = drv["OID_A404"].ToString();

                node.Expanded = false;

                TreeView1.Nodes.Add(node);

                AddReplies(dv, node);

            }

        }

        /// <summary>   

        /// 递归绑定子节点   

        /// </summary>      

        private void AddReplies(DataView dv, TreeNode node)

        {

            dv.RowFilter = "F3_A404='" + node.Value + "'";

            foreach (DataRowView row in dv)

            {

                TreeNode replyNode = new TreeNode();

                replyNode.Text = row["F1_A404"].ToString();

                replyNode.Value = row["OID_A404"].ToString();

                replyNode.Expanded = false;