//創建xmlDocumentXmlDocument doc = new XmlDocument();//創建聲明段 如<?xml version="1.0" encoding="utf-8" ?>doc.AppendChild(doc.CreateXmlDeclaration("1.0", "utf-8", null));//創建一個根節點 KYTResultsXmlElement results = doc.CreateElement("KYTResults");//創建 ResultsStatusXmlNode resultsStatus = doc.CreateElement("ResultsStatus");//創建LevelXmlElement element = doc.CreateElement("Level");element.InnerText = status ? "0" : "1";resultsStatus.AppendChild(element);//創建Descriptionelement = doc.CreateElement("Description");element.InnerText = msg;resultsStatus.AppendChild(element);//創建PassKey 如果用戶登錄失敗 將加載空字符element = doc.CreateElement("PassKey");element.InnerText = key;resultsStatus.AppendChild(element);results.AppendChild(resultsStatus);//END 創建 ResultsStatus//創建 DataList 數據集合if (status){  results.AppendChild(dataList);}//END 創建一個根節點 KYTResultsdoc.AppendChild(results);string path = Server.MapPath("/ws/xsd/ReceiveReturn.xsd");//驗證xml格式是否正確 通過xsd驗證string error = "";//聲明XmlSchemaXmlSchemaSet schemas = new XmlSchemaSet();schemas.Add("", XmlReader.Create(path));//聲明事件處理方法ValidationEventHandler eventHandler = new ValidationEventHandler(delegate(object sender, ValidationEventArgs e) {  switch (e.Severity)  {   case XmlSeverityType.Error:    error += e.Message;    break;   case XmlSeverityType.Warning:    break;  }});doc.Schemas = schemas;//驗證xmldoc.Validate(eventHandler);//檢查是否有異常 如果格式不正確就拋出來if (!"".Equals(error)){  throw new Exception(error);}