.Net操作XML文件

  //设置配置文件物理路径
     public string xmlPath = "/manage/spider/config.xml";
     protected void Page_Load(object sender, EventArgs e)
     {
         if (!IsPostBack)
         {
             //设置程序物理路径+文件物理路径
             string path = Request.PhysicalApplicationPath + xmlPath;
             //获取XML元素对象
             XElement config = XElement.Load(path);
             if (config != null)
             {
                 //获得节点子元素
                 XElement eleAmazonDetailUrl = config.Element("AmazonDetailUrl");
                 XElement eleAmazonListUrl = config.Element("AmazonListUrl");
                 XElement eleHz = config.Element("Hz");
                 XElement eleCount = config.Element("Count");
                 //在页面上呈现取到的数据
                 if (eleAmazonDetailUrl != null)
                     TextBox_AmazonDetailUrl.Text = eleAmazonDetailUrl.Value;
                 if (eleAmazonListUrl != null)
                     TextBox_AmazonListUrl.Text = eleAmazonListUrl.Value;
                 if (eleHz != null)
                     TextBox_Hz.Text = eleHz.Value;
                 if (eleCount != null)
                     TextBox_Count.Text = eleCount.Value;
             }
             else
                 Response.Write("");

         }
     }
     protected void btn_Save_Click(object sender, EventArgs e)
     {
         //设置XML文件路径
         string path = Request.PhysicalApplicationPath + xmlPath;
         //设置节点的名称和内容
         XElement root = new XElement("Settings",
              new XElement("AmazonDetailUrl", TextBox_AmazonDetailUrl.Text.Trim()),
              new XElement("AmazonListUrl", TextBox_AmazonListUrl.Text.Trim()),
              new XElement("Hz", TextBox_Hz.Text.Trim()),
              new XElement("Count", TextBox_Count.Text.Trim())
                  );
         //将元素序列化到指定路径的XML文件当中
         root.Save(path);
      }