protected void LoadTree(Ext.Net.NodeCollection rootNode, string userID) { if (rootNode == null) { rootNode = new Ext.Net.NodeCollection(); } rolefunMgr rolefunMgr = new rolefunMgr(); TreePanel1.GetRootNode().RemoveAll(); TreePanel1.GetRootNode().AppendChild(rolefunMgr.GetAllFun(3, Request.Cookies["Userinfo"]["role"].ToString().Trim())); TreePanel1.GetRootNode().Expand(true); }