◆TreeView对节点添加修改删除操作◆解决方法

◆TreeView对节点添加修改删除操作◆
求一TreeView,对节点进行 添加，修改，删除，移动操作的详细代码。谢谢！

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C# code

      //右键选取      private void treeMailView_MouseDown(object sender, MouseEventArgs e)        {            if (e.Button == MouseButtons.Right)            {                TreeNode tn = treeMailView.GetNodeAt(e.X, e.Y);                if (tn != null)                {                    treeMailView.SelectedNode = tn;                }            }            if (e.Button == MouseButtons.Left)            {                TreeNode tn = treeMailView.GetNodeAt(e.X, e.Y);                if (tn != null)                {                    Tn = tn;                }            }        }//拖拽        private Point Position = new sb.To
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帮顶!+关注
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http://www.componentart.com/webui/demos/demos_control-specific/treeview/programming_client/add_removeDisable/WebForm1.aspx
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HTML code
Default.aspx.cs文件:using System.Xml;public partial class _Default : System.Web.UI.Page {    protected void Page_Load(object sender, EventArgs e)    {        XmlDocument doc = new XmlDocument();        doc.Load(Server.MapPath("data.xml"));        XmlNode node = doc.DocumentElement;        InitTree ( this.TreeView1.Nodes, node );    }    private void InitTree ( TreeNodeCollection nodes, XmlNode node )    {        XmlNodeList nodeList = node.ChildNodes;        foreach ( XmlNode subNode in nodeList )        {            TreeNode tmpNode = new TreeNode ();            tmpNode.Text = ((XmlElement)subNode).GetAttribute("name");            tmpNode.NavigateUrl = ((XmlElement)subNode).GetAttribute("url");            nodes.Add ( tmpNode );            InitTree ( tmpNode.ChildNodes, subNode );        }    }}data.xml文件:<?xml version="1.0" encoding="utf-8"?><root>  <baidu name="Baidu" url="http://www.baidu.com">    <hao name="Hao" url="http://www.hao123.com">      <wangyi name="Wangyi" url="http://www.163.com">      </wangyi>    </hao>    <sina name="Sina" url="http://www.sina.com.cn">      <qq name="QQ" url="http://www.qq.com">      </qq>    </sina>  </baidu></root>
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我得BLOG例有源码