XML读取与保存

引用：using System.Xml;---------------------------------读取XML，以数组的形式存--------------------------        public string[] GetConfigSet()        {            string[] ConfigSet = new string[2];            XmlDocument doc = new XmlDocument();            doc.Load(HttpContext.Current.Server.MapPath("~/App_Data/DutySet.xml"));            string xPath = "//DutySet/SysConfig/isForeign";            XmlNode xmlNode = doc.SelectSingleNode(xPath);            ConfigSet[0] = xmlNode.FirstChild.Value;            xPath = "//DutySet/SysConfig/foreign";            xmlNode = doc.SelectSingleNode(xPath);            ConfigSet[1] = xmlNode.FirstChild.Value;            xPath = "//DutySet/SysConfig/seriousCo-ordination";            xmlNode = doc.SelectSingleNode(xPath);            ConfigSet[2] = xmlNode.FirstChild.Value;            return ConfigSet;        }-------------------------------------保存XML---------------------------------------        protected void lnkbSave_C_Click(object sender, EventArgs e)        {            XmlDataDocument doc = new XmlDataDocument();            doc.Load(Server.MapPath("~/App_Data/DutySet.xml"));            string xPath = string.Empty;            XmlNode xmlNode;            xPath = "//DutySet/SysConfig/isForeign";            xmlNode = doc.SelectSingleNode(xPath);            xmlNode.FirstChild.Value = this.txtIsForeign.Text.Trim();            xPath = "//DutySet/SysConfig/transportation";            xmlNode = doc.SelectSingleNode(xPath);            xmlNode.FirstChild.Value = this.txtTransportation.Text.Trim();            doc.Save(Server.MapPath("~/App_Data/DutySet.xml"));        }