sql server bulk insert data

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace winform测试插入
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        string ConnectionString = string.Format("Data Source={0};database={1};uid=sa;pwd=123456", "192.168.200.101", "BulkTestDB");
        string erro = string.Empty;

        private void button1_Click(object sender, EventArgs e)
        {

            var t = MSSQLHelper.TestConnection(out erro, ConnectionString);
            // inset_1000_data(); 14秒
            bulk_1000_data(); ////111.8871 总毫秒数

        }


        public voidbulk_1000_data () 
        { 

            // conditions must be constructed datatable              
             @ var dt = 0 SELECT * from Top B_ProductCode;
             // the same structure of the query
             // if the key is inserted into the main data 5-10; inserting a second primary key 9 -11; 9-11 will not be inserted into the data; 
            the DataTable dt = new new the DataTable (); 
            dt.Columns.AddRange ( new new the DataColumn [] {
                 new new the DataColumn ( " Id " , typeof ( int )),
                 new new the DataColumn ( " UserName " , typeof (string)),
                //new DataColumn("Pwd",typeof(string))
            });
            for (int i = 0; i < 1000; i++)
            {
                DataRow r = dt.NewRow();
                r[0] = i;
                r[1] = string.Format("User-{0}", i);
              //  r[2] = string.Format("Pwd-{0}", i);
                dt.Rows.Add(r);
            }

            double test_time;  // total number of data 5,553,345; five million data 
            System.Diagnostics.Stopwatch Watch = new new System.Diagnostics.Stopwatch (); 
            watch.Start ();   // start monitoring time code to run
             // ----- ------------------------------------
             // |
             // | 

            BulkToDB (dt); 

            // |
             // |
             // ------------------------------------------- 
            Watch. sTOP ();   // stop monitoring 
            the TimeSpan TimeSpan = watch.Elapsed;   // Get the total time of the current instance of the derived measuring 

            test_timeTimespan.TotalMilliseconds =; // total number of milliseconds    
            MessageBox.Show (test_time.ToString ()); // 111.8871 total number of milliseconds 

        } 

        public  void inset_1000_data () 
        { 
            Double test_time;   // total number of data 5,553,345; five million data 
            System.Diagnostics.Stopwatch Watch = new new System.Diagnostics.Stopwatch (); 
            watch.Start ();   // start monitoring time code to run
             // ------------------ -----------------------
             // |
             // | 

            for ( int i = 0; i < 1000; i++)
            {
                StringBuilder sb = new StringBuilder();
                sb.AppendFormat(" USE [BulkTestDB] ");
                sb.AppendFormat(" INSERT INTO [dbo].[BulkTestTable] ");
                sb.AppendFormat("            ([Id] ");
                sb.AppendFormat("            ,[UserName] ");
                sb.AppendFormat("            ,[Pwd]) ");
                sb.AppendFormat("      VALUES ");
                sb.AppendFormat("            ({0} ", i);
                sb.AppendFormat("            ,'name{0}'", i);
                sb.AppendFormat("            ,'pwd{0}')", i);

                MSSQLHelper.ExecuteNonQuery(sb.ToString(), out erro, ConnectionString);

                if (erro != string.Empty)
                {
                    MessageBox.Show(erro);
                    break;
                }
            } 


            // |
             // |
             // ----------------------------------------- - 
            watch.Stop ();   // stop monitoring 
            the TimeSpan TimeSpan = watch.Elapsed;   // Get the total time of the current instance of the measurement results 

            test_time = timespan.TotalMilliseconds; // total number of milliseconds    
            MessageBox.Show (test_time.ToString () ); // 14659.1165 total number of milliseconds 
        } 


        // use Bulk insert [faster] 
        #region [inserted usage Bulk]
         void BulkToDB (the DataTable dt) 
        { 
            the Stopwatch SW = new new the Stopwatch (); 
            the SqlConnection sqlConn =new SqlConnection(ConnectionString);
            SqlBulkCopy bulkCopy = new SqlBulkCopy(sqlconn);

            bulkCopy.DestinationTableName = "BulkTestTable"; //表名
            bulkCopy.BatchSize = dt.Rows.Count;              //数据量 
            try
            {
                sqlconn.Open();
                if (dt != null && dt.Rows.Count != 0)
                {
                    bulkCopy.WriteToServer(dt);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            finally
            {
                sqlconn.Close();
                if (bulkCopy != null)
                {
                    bulkCopy.Close();
                }
            }
        }
       
        #endregion

    }
}

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