protected void Page_Load(object sender, EventArgs e) { int t = 0; if (!this.Page.IsPostBack) { if (!string.IsNullOrEmpty(base.Request.QueryString["t"])) t = DataConverter.CLng(base.Request.QueryString["t"]); else t = 0; B_Node bll = new B_Node(); TreeNode tmpNd; tmpNd = new TreeNode(); tmpNd.Value = "0"; tmpNd.Text = SiteConfig.SiteInfo.SiteName; tmpNd.NavigateUrl = "~/" + this.GetManagePath() + "/Content/ContentManage.aspx?NodeID=0"; tmpNd.Target = "main_right"; tmpNd.ImageUrl = ""; tmpNd.ToolTip = "根节点"; tvNav.Nodes.Add(tmpNd); bll.InitTreeNode(tmpNd.ChildNodes, 0, t); tvNav.ExpandAll(); } }