/// <summary>
        /// 添加树
        /// </summary>
        /// <param name="ParentID"></param>
        /// <param name="pNode"></param>
        protected void AddTree(string ParentID, TreeNode pNode)
        {
            string FuncCode = string.Empty;
            string FuncName = string.Empty;
            string FuncURL = string.Empty;
            string FuncTarget = string.Empty;
            string nSonCount = string.Empty;


            DataView Dv = new DataView(m_Dt);
            Dv.RowFilter = " SubString(FuncCode,1,Len(FuncCode)-2) = '" + ParentID + "'";
            
            foreach (DataRowView Row in Dv)
            {
                FuncCode = Row["FuncCode"].ToString();
                FuncName = Row["FuncName"].ToString();
                FuncURL = Row["FuncURL"].ToString();// 
                FuncTarget = this.m_FuncTarget;
                nSonCount = Row["nSonCount"].ToString();


                TreeNode Node = new TreeNode();
                Node.SelectAction = TreeNodeSelectAction.Expand;
                 if (FuncURL.IndexOf("?") < 3) FuncURL = FuncURL + "?1=1";
                        FuncURL = FuncURL + "&FuncCode=" + FuncCode + "&FuncName=" + Server.UrlEncode(FuncName);
                        Node.Target = FuncTarget;
                        Node.NavigateUrl = FuncURL;

                if (pNode == null)
                {
                    Node.Text = FuncName;
                    TreeView1.Nodes.Add(Node);

                    if (int.Parse(nSonCount) > 0) AddTree(FuncCode, Node);
                }
                else
                {
                    Node.Text = FuncName;
                    pNode.ChildNodes.Add(Node);
                    if (int.Parse(nSonCount) > 0) AddTree(FuncCode, Node);
                }
            }
            Dv = null;
        }