C#操作xml

1XmlDocument xmlDocument = new XmlDocument();
2 XmlNodeList NodeListControls;
3 XmlNodeList node_style_status;
4 string path = System.Windows.Forms.Application.StartupPath;
5 int end = path.LastIndexOf("\\", path.Length);
6 //path = path.Substring(0, end);
7 XmlDocument xmlDocumentRuleName = new XmlDocument();
8 XmlNodeList NodeListRuleName;
9 if (strXML != null)
10 {
11 xmlDocument.Load(strXML);
12 node_style_status = xmlDocument.SelectNodes("/xml/stylestatus");
13 style_status = Convert.ToInt32(node_style_status[0].InnerText);
14 //MessageBox.Show(style_status.ToString());
15 Select_Style(style_status);
16 NodeListControls = xmlDocument.SelectNodes("/xml/item");
17 xmlDocumentRuleName.Load(path + "\\XMLFileRules.xml");
18 NodeListRuleName = xmlDocumentRuleName.SelectNodes("/xml/item");
19 for (int i = 0; i < NodeListControls.Count; i++)
20//NodeListControls[i].ChildNodes[0].InnerText;