.Net操作XML文件

 1  //设置配置文件物理路径
 2     public string xmlPath = "/manage/spider/config.xml";
 3     protected void Page_Load(object sender, EventArgs e)
 4     {
 5         if (!IsPostBack)
 6         {
 7             //设置程序物理路径+文件物理路径
 8             string path = Request.PhysicalApplicationPath + xmlPath;
 9             //获取XML元素对象
10             XElement config = XElement.Load(path);
11             if (config != null)
12             {
13                 //获得节点子元素
14                 XElement eleAmazonDetailUrl = config.Element("AmazonDetailUrl");
15                 XElement eleAmazonListUrl = config.Element("AmazonListUrl");
16                 XElement eleHz = config.Element("Hz");
17                 XElement eleCount = config.Element("Count");
18                 //在页面上呈现取到的数据
19                 if (eleAmazonDetailUrl != null)
20                     TextBox_AmazonDetailUrl.Text = eleAmazonDetailUrl.Value;
21                 if (eleAmazonListUrl != null)
22                     TextBox_AmazonListUrl.Text = eleAmazonListUrl.Value;
23                 if (eleHz != null)
24                     TextBox_Hz.Text = eleHz.Value;
25                 if (eleCount != null)
26                     TextBox_Count.Text = eleCount.Value;
27             }
28             else
29                 Response.Write("");
30 
31         }
32     }
33     protected void btn_Save_Click(object sender, EventArgs e)
34     {
35         //设置XML文件路径
36         string path = Request.PhysicalApplicationPath + xmlPath;
37         //设置节点的名称和内容
38         XElement root = new XElement("Settings",
39              new XElement("AmazonDetailUrl", TextBox_AmazonDetailUrl.Text.Trim()),
40              new XElement("AmazonListUrl", TextBox_AmazonListUrl.Text.Trim()),
41              new XElement("Hz", TextBox_Hz.Text.Trim()),
42              new XElement("Count", TextBox_Count.Text.Trim())
43                  );
44         //将元素序列化到指定路径的XML文件当中
45         root.Save(path);
46      }