在webservice中将dataset序列化是我们经常遇到的问题，但是遇到很大的dataset，则网络传输就必须考虑的问题，将dataset处理压缩后传输是我们不错的选择，下面提供这种方法：
第一步：引入命名空间下载DataSetSurrogate组件
using System.IO.Compression;
using System.Runtime.Serialization.Formatters.Binary;
将下载好的DataSetSurrogate放入bin路径下
第二步：压缩序列化
///序列化转化为二进制数组的DataSet
public byte[] GetDataSetSurrogateZipBYtes(DataSet DS)
{
??????? DataSetSurrogate dss = new DataSetSurrogate(DS);
??????? ///二进制方式方式序列化
??????? BinaryFormatter ser = new BinaryFormatter();
??????? MemoryStream ms = new MemoryStream();
??????? ser.Serialize(ms,dss);
??????? byte[] buffer = ms.ToArray();
?????? ///调用压缩方法
??????? byte[] Zipbuffer = Compress(buffer);
??????? return Zipbuffer;
}
///压缩二进制文件
private byte[] Compress(byte[] data)
{
????? MemoryStream ms = new MemoryStream();
????? Stream zipStream = null;
????? zipStream = new GZipStream(ms,CompressionMode.Compress,true);
?????? ///从指定的字节数组中将压缩的字节写入基础流
????? zipStream.Write(data,data.Length);
????? zipStream.Close();
????? ms.Position = 0;
????? byte[] Compressed_Data = new byte[ms.Length];
????? ms.Read(Compressed_Data,int.Parse(ms.Length.ToString()));
????? return Compressed_Data;
?? }
第三部：解压反序列化
///将压缩后的二进制数组解压
public static byte[] Decompress(byte[] data)
{????? ///data参数为压缩后的二进制数组
??????? try
??????? {
????????? MemoryStream ms = new MemoryStream(data);
????????? Stream zipStream = null;
????????? zipStream = new GZipStream(ms,CompressionMode.Decompress);
????????? byte[] dc_data = null;
????????? dc_data = EtractBytesFormStream(zipStream,data.Length);
????????? return dc_data;
????????? ///返回解压后的二进制数组
???????? }
????? catch
???????? {
???????????? return null;
???????? }
}
/// 将二进制文件反序列化后转化为DataSet
public DataSet GetDatasetFromByte(byte[] ZipByte)
{
?????? byte[] buffer = UnZipClass.Decompress(ZipByte);
?????? BinaryFormatter ser = new BinaryFormatter();
?????? DataSetSurrogate dss;
?????? dss = (DataSetSurrogate)ser.Deserialize(new MemoryStream(buffer));
?????? DataSet DS = dss.ConvertToDataSet();
?????? return DS;
?? }至此完成操作
