treeview简单问题，正解即结贴

function treeOnclick()

{

//

}

   

 protected void TreeMyFile()

    {

        TreeView_myFile.Nodes.Clear();

        TreeNode root = new TreeNode();

        root.Expanded = true;

        root.Text = "我的文件夹";

        //root.NodeData = "0";

        this.TreeView_myFile.Nodes.Add(root);

        SetTree("", null);

    }

    protected void SetTree(string parent, TreeNode tn)

    {

        List<T_MessageTags> list;

        if (_start == 0)

        {

            _start++;

            list = SQLwd<T_MessageTags>.List(" len(TagsNo)=3 ");

            for (int i = 0; i < list.Count; i++)

            {

                TreeNode tnn = new TreeNode(list[i].TagsName, list[i].TagsNo);

                //tnn.NavigateUrl = "javascript:fileSelect(" + list[i].TagsNo + ")";

                this.TreeView_myFile.Nodes.Add(tnn);

                SetTree(list[i].TagsNo, tnn);

            }



        }

        else

        {

            list = SQLwd<T_MessageTags>.List(" TagsNo like '" + parent + "___'");

            for (int i = 0; i < list.Count; i++)

            {

                TreeNode tnc = new TreeNode(list[i].TagsName, list[i].TagsNo);

                //tnc.NavigateUrl = "javascript:fileSelect(" + list[i].TagsNo + ")";

                tn.ChildNodes.Add(tnc);

                SetTree(list[i].TagsNo, tnc);

            }

        }



    }