序列化和反序列化

 /// <summary>

        /// 将DataTable转换成xml

        /// </summary>

        /// <param name="dt"></param>

        /// <returns></returns>

        public static string DataTableToXml(DataTable dt)

        {

            StringBuilder sb = new StringBuilder();

            XmlWriter writer = XmlWriter.Create(sb);

            XmlSerializer serializer = new XmlSerializer(typeof(DataTable));

            serializer.Serialize(writer,dt);

            writer.Close();

            return sb.ToString();

        }



        /// <summary>

        /// 将xml转换成DataTable

        /// </summary>

        /// <param name="strXml"></param>

        /// <returns></returns>

        public static DataTable XmlToDataTable(string strXml)

        {

            StringReader strReader = new StringReader(strXml);

            XmlReader xmlReader = XmlReader.Create(strReader);

            XmlSerializer serializer = new XmlSerializer(typeof(DataTable));

            DataTable dt = serializer.Deserialize(xmlReader) as DataTable;

            return dt;

        }

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