// Sample Object ----------------------------

    [Serializable]
    public class Person
    {
        public string FirstName { get; set; }
        public string LastName { get; set; }
    }

// Serialization Class ------------------------

    public class Serializer
    {
        public static string GetString(MemoryStream psMemStream)
        {
            string lsReturn = string.Empty;

            psMemStream.Position = 0;
            using (StreamReader loReader = new StreamReader(psMemStream))
            {
                lsReturn = loReader.ReadToEnd();
            }
            return lsReturn;
        }

        public static string SerializeMessage(Object poObject)
        {
            string lsResponse = "";

            try
            {
                MemoryStream loStream = new MemoryStream();
                XmlSerializer loMessageSerialize = new XmlSerializer(poObject.GetType());
                loMessageSerialize.Serialize(loStream, poObject);

                lsResponse = GetString(loStream);
            }
            catch (Exception ex)
            {
                throw ex;
            }

            return lsResponse;
        }

        public static object DeserializeMessage(string psObjectXML, Object poObject)
        {
            string loResponse = string.Empty;
            object loObject = new object();

            try
            {
                XmlSerializer loMessage = new XmlSerializer(poObject.GetType());
                loObject = loMessage.Deserialize(new StringReader(psObjectXML));
            }
            catch (Exception ex)
            {
                throw ex;
            }

            return loObject;
        }
    }

// How to Use ----------------------------------

            Person loPerson = new Person();
            loPerson.FirstName = "John";
            loPerson.LastName = "Doe";

            string lsXMLString = Serializer.SerializeMessage(loPerson);

            MessageBox.Show(lsXMLString);

            Person loPerson2 = new Person();
            loPerson2 = (Person)Serializer.DeserializeMessage(lsXMLString, loPerson2);