XML处理

rotected void Page_Load(object sender, EventArgs e)
    {
        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.Load(Server.MapPath("BookInfo.xml"));
        XmlNode xn = xmlDoc.SelectSingleNode("books");//屏蔽第一行，取出根节点
        XmlNodeList xnl = xn.ChildNodes;
        StringBuilder s = new StringBuilder();
        foreach (XmlNode xnf in xnl)
        {
            XmlElement xe = (XmlElement)xnf;
            s.Append("属性：<br>"+xe.GetAttribute("genre")+"<br>");
            s.Append("数据：<br><br>");
            XmlNodeList xnll = xe.ChildNodes;
            foreach (XmlNode f in xnll)
            {
                s.Append(f.InnerText+"<br>");
            }
        }

        Response.Write(s);
    }

 

插入节点

private void ShowDB()
    {
        DataSet ds = new DataSet();
        ds.ReadXml(Server.MapPath("BookInfo.xml"));
        GridView1.DataSource = ds;
        GridView1.DataBind();

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        XmlDataDocument xmlDoc = new XmlDataDocument();
        xmlDoc.Load(Server.MapPath("BookInfo.xml"));
        XmlNode root = xmlDoc.SelectSingleNode("books");//查找<books>
        XmlElement xel = xmlDoc.CreateElement("book");//创建<book>节点
        xel.SetAttribute("genre","计算机");

        XmlElement xesub1 = xmlDoc.CreateElement("author");
        xesub1.InnerText = "你大爷";
        xel.AppendChild(xesub1);

        XmlElement xesub2 = xmlDoc.CreateElement("price");
        xesub2.InnerText = "150";
        xel.AppendChild(xesub2);

        XmlElement xesub3 = xmlDoc.CreateElement("bookname");
        xesub3.InnerText="ASP.NET精通";
        xel.AppendChild(xesub3);

        root.AppendChild(xel);
        xmlDoc.Save(Server.MapPath("BookInfo.xml"));
        ShowDB();
    }