public class XmlUtil
    {
        #region 反序列化
        /// <summary>
        /// 將XML字符串反序列化為對象
        /// </summary>
        /// <param name="type">類型</param>
        /// <param name="xml">XML字符串</param>
        /// <returns></returns>
        public static object Xml2Obj(Type type, string
 
 xml)
        {
            try
            {
                using (StringReader sr = new StringReader(xml))
                {
                    XmlSerializer xmldes = new XmlSerializer(type);
                    return xmldes.Deserialize(sr);
                }
            }
            catch (Exception e)
            {

                
 
return null;
            }
        }
        #endregion

        #region 對象轉化成
        /// <summary>
        /// 對象轉化成XML
        /// </summary>
        /// <param name="type">類型</param>
        /// <param name="obj">對象</param>
        /// <returns></returns>
        public
 
 static string Obj2Xml(Type type, object obj)
        {
            MemoryStream Stream = new MemoryStream();
            XmlSerializer xml = new XmlSerializer(type);
            try
            {
                //序列化對象
                xml.Serialize(Stream, obj);
            }
            catch (InvalidOperationException)
            {
                throw;
            }
            Stream.Position = 0;
            StreamReader sr = new StreamReader(Stream);
            string str = sr.ReadToEnd();

            sr.Dispose();
            Stream.Dispose();

            return str;
        }

        #endregion
    }

對象類：

C# Asp.net中xml串與對象互相轉換