TreeView简单使用

来源：互联网发布：安卓翻墙软件哪个好编辑：程序博客网时间：2024/05/29 03:38

protected void Page_Load(object sender, EventArgs e)        {            TreeNode node = new TreeNode();            node.Text = "分类设置";            node.Value = "-1";            for (int i = 0; i < 10; i++)            {                TreeNode childnode = new TreeNode();                childnode.Text = "第" + (i + 1) + "类";                childnode.Value = ""+(i + 1);                node.ChildNodes.Add(childnode);            }            TreeView1.Nodes.Clear();            TreeView1.Nodes.Add(node);        }        /// <summary>        /// 选定节点后触发        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)        {            string str = TreeView1.SelectedNode.Value;        }

<form id="form1" runat="server">        <div>            <asp:TreeView ID="TreeView1" runat="server" OnSelectedNodeChanged="TreeView1_SelectedNodeChanged"></asp:TreeView>        </div>    </form>

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