c#读取XML信息

XmlDocument doc = new XmlDocument();
            doc.Load(AppDomain.CurrentDomain.BaseDirectory + "//WcfServicesUrl.config");
            XmlNode node = doc.GetElementsByTagName("appSettings").Item(0).FirstChild;
            XmlElement ele = (XmlElement)node;
            string WcfServiceUrl = ele.GetAttribute("value");

            return WcfServiceUrl;