TreeView1.Nodes.Clear();
        List<CYXTMS.Model.View_YM_GN> nodeList = viewBLL.GetList((int)vupModel.GN_ID);
        TreeNode temp;
        foreach (var node in nodeList)
        {
            temp = new TreeNode(node.GN_MC, node.GN_ID.ToString());
            if (!string.IsNullOrEmpty(node.YM_URL))
            {
                temp.NavigateUrl = node.YM_URL;
                temp.Target = "tabFrame";
            }
            else
            {
                temp.SelectAction = TreeNodeSelectAction.Expand;
            }
            TreeView1.Nodes.Add(temp);
        }
        IntiChildNodes(TreeView1.Nodes);
        foreach (TreeNode node in TreeView1.Nodes)
        {
            node.ImageUrl = node.ChildNodes.Count > 0 ? "~/images/themes/default/images/tree/folder.gif" 
                : "images/themes/default/images/tree/leaf.gif";
        }





 /// <summary>
    /// 递归绑定功能
    /// </summary>
    /// <param name="nodes"></param>
    private void IntiChildNodes(TreeNodeCollection nodes)
    {
        List<CYXTMS.Model.View_YM_GN> viewList;
        TreeNode tempChild;
        int tempID = -1;
        foreach (TreeNode item in nodes)
        {
            if (int.TryParse(item.Value ,out tempID))
            {
                viewList = viewBLL.GetList(tempID);
                foreach (var treeNode in viewList)
                {
                    tempChild = new TreeNode(treeNode.GN_MC, treeNode.GN_ID.ToString());
                    if (!string.IsNullOrEmpty(treeNode.YM_URL))
                    {
                        tempChild.NavigateUrl = treeNode.YM_URL;
                        tempChild.Target = "tabFrame";
                    }
                    else
                    {
                        tempChild.SelectAction = TreeNodeSelectAction.Expand;
                    }
                    item.ChildNodes.Add(tempChild);
                    if (int.TryParse(tempChild.Value, out tempID))
                    {
                        if (gnBLL.GetCount(tempID) > 0)
                        {
                            tempChild.ImageUrl = "images/themes/default/images/tree/folder.gif";
                            IntiChildNodes(item.ChildNodes);
                        }
                        else
                        {
                            tempChild.ImageUrl = "images/themes/default/images/tree/leaf.gif";
                        }
                    }
                }
            }
        }
    }