C#处理XML

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读取XML返回结果

DealerService.DealerService dealerWS = new DealerService.DealerService();                            string ChannelInfo = dealerWS.GetCustomerChannel(Acctid);                            XmlDocument ChannelInfoXml = new XmlDocument();                            ChannelInfoXml.LoadXml(ChannelInfo);                            string Channel = ChannelInfoXml.DocumentElement.SelectSingleNode("err/info").InnerText;

构造XML节点

MailService.WebService mail = new WebService();                    XmlDocument xml = new XmlDocument();                    xml.LoadXml("<Mail><Parameters></Parameters></Mail>");                    XmlNode node = xml.DocumentElement.SelectSingleNode("Parameters");                    //node.AppendChild(xml.CreateElement("BBN")).InnerText = BBN;                    node.AppendChild(xml.CreateElement("Email")).InnerText = Email;                    node.AppendChild(xml.CreateElement("Promotioncode")).InnerText = Code;                    node.AppendChild(xml.CreateElement("UserName")).InnerText = UserName;                    node.AppendChild(xml.CreateElement("SDate")).InnerText = SignUpDate;                    string Message = mail.SendMail(0, Email, "AD:Temp-Event_US-06", xml.OuterXml);                    XmlDocument mailXml = new XmlDocument();                    mailXml.LoadXml(Message);                    string mailErrCode = mailXml.DocumentElement.SelectSingleNode("err/code").InnerText;                    string mailErrInfo = mailXml.DocumentElement.SelectSingleNode("err/info").InnerText;                    if (mailErrCode != "0")//failure                    {                        string errorinfo = "AccountID:" + acctid + " EmailAdress:" + Email + " Code:" + Code;                        Log.Error("Send mail failure.Error info:" + errorinfo);                        return 1;                    }                    return 0;