xml读取 避开并发

 public static List<ConfigXml> GetXmlByTypeName(XmlConfigType type)
        {
            string path = string.Empty;
            try
            {
                path = HttpRuntime.BinDirectory + @"/xml/config.xml";
            }
            catch (Exception e)
            {
                path = AppDomain.CurrentDomain.BaseDirectory + @"/xml/config.xml";
            }
            FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
            XmlDocument doc = new XmlDocument();
            doc.Load(file);

            XmlElement root = doc.DocumentElement;
            XmlNodeList dataNode = doc.SelectSingleNode(String.Format("root/type[@name=‘{0}‘]", type.ToString())).ChildNodes;
             List<ConfigXml> list = new List<ConfigXml>();
            foreach (XmlElement item in dataNode)
            {
                ConfigXml configXml = new ConfigXml();
                configXml.Name = item.GetAttribute("name");
                configXml.OnOff = item.InnerXml.Trim();
                configXml.DateType = item.GetAttribute("dateType");
                configXml.UrlValue =item.GetAttribute("Path");
                configXml.IsBeingUsed = bool.Parse(item.GetAttribute("name"));
              
                list.Add(configXml);
            }
            file.Close();
        
            return list;
           
        }