SqlServer的两种插入方式效率对比

protected void button1_Click(object sender, EventArgs e)

{

DataTable dtSource = new DataTable();

dtSource.Columns.Add("Name", typeof(string));

dtSource.Columns.Add("Address", typeof(string));

DataRow dr;

for (int i = 0; i < 100 * 100; i++)

{

dr = dtSource.NewRow();

dr["Name"] = "Name" + i;

dr["Address"] = "Address" + i;

dtSource.Rows.Add(dr);

}

//将内存表dt中的1W条数据一次性插入到t_Data表中的相应列中

System.Diagnostics.Stopwatch st = new System.Diagnostics.Stopwatch();

st.Start();

string connStr = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;

using (SqlBulkCopy copy = new SqlBulkCopy(connStr))

{

//1 指定数据插入目标表名称

copy.DestinationTableName = "Student";

//2 告诉SqlBulkCopy对象 内存表中的 OrderNO1和Userid1插入到OrderInfos表中的哪些列中

copy.ColumnMappings.Add("Name", "Name");

copy.ColumnMappings.Add("Address", "Address");

//3 将内存表dt中的数据一次性批量插入到OrderInfos表中

copy.WriteToServer(dtSource);

}

st.Stop();

this.lblPL.InnerText="数据插入成功，总耗时为:" + st.ElapsedMilliseconds + "毫秒";

}

protected void button2_Click(object sender, EventArgs e)

{

DataTable dtSource = new DataTable();

dtSource.Columns.Add("ID", typeof(int));

dtSource.Columns.Add("Name", typeof(string));

dtSource.Columns.Add("Address", typeof(string));

DataRow dr;

for (int i = 0; i < 100 * 100; i++)

{

dr = dtSource.NewRow();

dr["Name"] = "Name" + i;

dr["Address"] = "Address" + i;

dtSource.Rows.Add(dr);

}

System.Diagnostics.Stopwatch st = new System.Diagnostics.Stopwatch(); //计算时间

st.Start();

string conn = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;     //连接数据库

string sqlText = "select * from Student";          //SQL语句，用于查出符合条件的数据库数据

//当上述工作完成之后，我们调用SqlDataAdapter的Fill()方法，将查询出来的数据表内容填充的一张DataTable里面

SqlDataAdapter SDA = new SqlDataAdapter(sqlText, conn);

SDA.Fill(dtSource);

//这个SqlCommandBuilder用来自动生成添加、删除、修改的语句，注意这个参数是刚才建立的SqlDataAdapter。

SqlCommandBuilder SCB = new SqlCommandBuilder(SDA);

SDA.Update(dtSource);         //数据录入

st.Stop();

this.lblCT.InnerText="数据插入成功，总耗时为:" + st.ElapsedMilliseconds + "毫秒";

}