序列化

   #region 序列化



        /// <summary>

        /// 二进制的方式序列化DataTable

        /// </summary>

        /// <param name="o">需要转换的对象</param>

        /// <returns>二进制数组</returns>

        private static byte[] GetBinaryFormatDataTable(DataTable dt)

        {

            MemoryStream memory = new MemoryStream();//使用内存流来存这些byte[] 

            BinaryFormatter formatter = new BinaryFormatter();

            formatter.Serialize(memory, dt);

            byte[] buff = memory.GetBuffer(); //这里就可你想要的byte[],可以使用它来传输 

            memory.Close();

            memory.Dispose();

            return buff;

        }

        /// <summary>

        /// 反序列化byteDataTable

        /// </summary>

        /// <param name="bt">二进制数据</param>

        /// <returns>DataTable</returns>

        private static DataTable RetrieveDataTable(byte[] bt)

        {

            MemoryStream memory = new MemoryStream();//使用内存流来存这些byte[] 

            BinaryFormatter formatter = new BinaryFormatter();

            return (DataTable)formatter.Deserialize(new MemoryStream(bt)); //byte[]转回的datatable 

        }



        /// <summary>

        /// DataSet序列化

        /// </summary>

        /// <param name="ds">需要序列化的DataSet</param>

        /// <returns></returns>

        private static byte[] GetBinaryFormatDataSet(DataSet ds)

        {



            MemoryStream memStream = new MemoryStream();   //创建内存流



            IFormatter formatter = new BinaryFormatter();//产生二进制序列化格式



            ds.RemotingFormat = SerializationFormat.Binary;//指定DataSet串行化格式是二进制



            formatter.Serialize(memStream, ds);//串行化到内存中



            byte[] binaryResult = memStream.ToArray();//将DataSet转化成byte[]



            memStream.Close();//清空和释放内存流

            memStream.Dispose();

            return binaryResult;

        }

        /// <summary>

        /// DataSet反序列化

        /// </summary>

        /// <param name="binaryData">需要反序列化的byte[]</param>

        /// <returns></returns>

        private static DataSet RetrieveDataSet(byte[] binaryData)

        {



            MemoryStream memStream = new MemoryStream(binaryData);//创建内存流



            IFormatter formatter = new BinaryFormatter();//产生二进制序列化格式



            object obj = formatter.Deserialize(memStream);//反串行化到内存中

            //类型检验

            if (obj is DataSet)

            {

                DataSet dataSetResult = (DataSet)obj;

                return dataSetResult;

            }

            else

            {

                return null;

            }

        }



        #endregion 序列化