1 string connstr = ConfigurationManager.ConnectionStrings["connstr"].ConnectionString; 2 DataTable dt = new DataTable(); 3 dt.Columns.Add("Sname"); 4 dt.Columns.Add("SAge"); 5 6 for (int i = 0; i < 80000;i++ ) 7 { 8 DataRow row = dt.NewRow(); 9 row["Sname"] = "aa" + i; 10 row["Sage"] = i * i; 11 dt.Rows.Add(row); 12 } 13 14 15 using (SqlBulkCopy bulkCopy = new SqlBulkCopy(connstr)) 16 { 17 bulkCopy.DestinationTableName = "student"; 18 bulkCopy.ColumnMappings.Add("Sname", "Sname"); 19 bulkCopy.ColumnMappings.Add("Sage", "Sage"); 20 bulkCopy.WriteToServer(dt); 21 }