serializers in c#

Serializer.cs

 public static class Serializer
    {
        public static byte[] Serialize<T>(T obj)
        {
            var serializer = new DataContractSerializer(typeof(T));
            var stream = new MemoryStream();
            using (var writer =
                XmlDictionaryWriter.CreateBinaryWriter(stream))
            {
                serializer.WriteObject(writer, obj);
            }
            return stream.ToArray();
        }

        public static T Deserialize<T>(byte[] data)
        {
            var serializer = new DataContractSerializer(typeof(T));
            using (var stream = new MemoryStream(data))
            using (var reader =
                XmlDictionaryReader.CreateBinaryReader(
                    stream, XmlDictionaryReaderQuotas.Max))
            {
                return (T)serializer.ReadObject(reader);
            }
        }

        private static string SerializeToXml<T>(T value)
        {
            var writer = new StringWriter(CultureInfo.InvariantCulture);
            var serializer = new XmlSerializer(typeof(T));
            serializer.Serialize(writer, value);
            return writer.ToString();
        }

        private static T DeserializeFromXml<T>(string xmlText)
        {
            var reader = new StringReader(xmlText);
            var serializer = new XmlSerializer(typeof(T));
            var obj = (T)serializer.Deserialize(reader);
            return obj;
        }
    }