private void button2_Click(object sender, EventArgs e){Stopwatch st = new Stopwatch();st.Start();//生成datesetstring toDataTableSql = "select id, djbh ,dj_sn ,xgdjbh ,pihao ,pici ,spid from T_ywmxk where zhuangtai='" + ZhuangTai.待上传 + "'";DataSet ds = SqlHelper.ExecuteDataSet(CommandType.Text, toDataTableSql);byte[] Zipbuffer = DataFormatter.GetBinaryFormatData(ds);HttpHelper http = new HttpHelper();HttpItem item = new HttpItem(){URL = @"http://localhost:61839/SaveData.asmx/Adddataset",// URL = url,//URL这里都是测试URl   必需项Encoding = null,//编码格式（utf-8,gb2312,gbk）Method = "post",ContentType = "application/x-www-form-urlencoded",//返回类型    可选项有默认值,PostDataType = PostDataType.Byte,PostdataByte = Zipbuffer// Postdata ="data="+ HttpHelper.ByteToString(Zipbuffer)
};//得到新的HTML代码HttpResult result = http.GetHtml(item);st.Stop();string str = st.ElapsedMilliseconds.ToString();}

 [ValidateInput(false)][WebMethod]public void Adddataset(){Stream s = System.Web.HttpContext.Current.Request.InputStream;byte[] b = new byte[s.Length];s.Read(b, 0, (int)s.Length);DataSet dsData = DataFormatter.RetrieveDataSet(b);DataTable dt = dsData.Tables[0];StringBuilder str = new StringBuilder();int counts = 0;for (int d = 0; d < dt.Rows.Count; d++){T_ywmxk t = new T_ywmxk();_db.T_ywmxk.Add(t);t.CreateTime = DateTime.Now;t.djbh = dt.Rows[d]["djbh"].ToString();t.dj_sn = (int)dt.Rows[d]["dj_sn"];t.xgdjbh = dt.Rows[d]["xgdjbh"].ToString();t.pihao = dt.Rows[d]["pihao"].ToString();t.pici = dt.Rows[d]["pici"].ToString();t.spid = dt.Rows[d]["spid"].ToString();counts++;}_db.SaveChanges();str.Append("总计：" + dt.Rows.Count);Context.Response.Write(str.ToString());}

using System.Data;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;namespace JiaRuiDataPost.MyClass
{public class DataFormatter{private DataFormatter() { }/// <summary>/// Serialize the Data of dataSet to binary format/// </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;}}
}