dataset的压缩与传输

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Runtime.Serialization;

namespace TestDemo.Web
{
    public partial class Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string xmlurl = Server.MapPath("xmls/MyXml.xml");
            DataSet ds = new DataSet();
            ds.ReadXml(xmlurl);
            byte [] dsb = GetBinaryFormatData(ds);
            ds = null;
            ds = RetrieveDataSet(dsb);

            this.rptHJCodes.DataSource = ds;
            this.rptHJCodes.DataBind();
        }

        /// </summary>
        /// <param name="dsOriginal"></param>
        /// <returns></returns>
        static public byte[] GetBinaryFormatData(DataSet dsOriginal)
        {
            byte[] binaryDataResult = null;
            MemoryStream memStream = new MemoryStream();
            IFormatter brFormatter = new BinaryFormatter();
            dsOriginal.RemotingFormat = SerializationFormat.Binary;

            brFormatter.Serialize(memStream, dsOriginal);
            binaryDataResult = memStream.ToArray();
            memStream.Close();
            memStream.Dispose();
            return binaryDataResult;
        }
        /**/
        /// <summary>
        /// Retrieve dataSet from data of binary format
        /// </summary>
        /// <param name="binaryData"></param>
        /// <returns></returns>
        static public DataSet RetrieveDataSet(byte[] binaryData)
        {
            DataSet dataSetResult = null;
            MemoryStream memStream = new MemoryStream(binaryData);
            IFormatter brFormatter = new BinaryFormatter();

            object obj = brFormatter.Deserialize(memStream);
            dataSetResult = (DataSet)obj;
            return dataSetResult;
        }

    }
}

参考: http://www.cnblogs.com/davyjiang/articles/957244.html