using System;

using System.Collections.Generic;

using System.Web;

using System.Web.Services;

using PNXSoft.Framework.Configuration;

using PNXSoft.Framework.DataAccess_MySql;

using PNXSoft.Framework.Constants;

using System.Data;

using System.IO;

using System.Runtime.Serialization.Formatters.Binary;

using ICSharpCode.SharpZipLib.Zip;

 /// <summary>

    /// 压缩数据集

    /// </summary>

    /// <param name="ds"></param>

    /// <returns></returns>

    public static byte[] CompressDS(DataSet ds)

    {

        MemoryStream ms = new MemoryStream();

        ZipOutputStream zos = new ZipOutputStream(ms);

        zos.PutNextEntry(new ZipEntry(ds.DataSetName));

        BinaryFormatter bf = new BinaryFormatter();

        //DataSetSurrogate dss = new DataSetSurrogate(ds);

        bf.Serialize(zos, ds);

        zos.CloseEntry();

        zos.Close();

        byte[] ret = ms.ToArray();

        ms.Close();

        return ret;

    }

解压数据的方法

using System;

using System.Collections.Generic;

using System.Web;

using System.Data;

using System.IO;

using System.Runtime.Serialization.Formatters.Binary;

using ICSharpCode.SharpZipLib.Zip;

/// <summary>

///DSCompress 的摘要说明

/// </summary>

public class DSCompress

{

    public DSCompress()

    {

        //

        //TODO: 在此处添加构造函数逻辑

        //

    }

    /// <summary>

    /// 解压数据集

    /// </summary>

    /// <param name="byt"></param>

    /// <returns></returns>

    public static DataSet DecompressDS(byte[] byt)

    {

        MemoryStream ms = new MemoryStream(byt);

        BinaryFormatter bf = new BinaryFormatter();

        ZipInputStream zis = new ZipInputStream(ms);

        zis.GetNextEntry();

        DataSet ds = (DataSet)bf.Deserialize(zis);

        zis.Close();

        ms.Close();

        return ds;

    } 

}