1  using (NPU_TemporaryEntities db = new NPU_TemporaryEntities())
 2                 {
 3 
 4                     for (int i = 0; i < 1000000; i++)
 5                     {
 6                         Temp temp = new Temp();
 7                         DateTime starTime = DateTime.Now;
 8                         db.Bibliography.Add(temp.Bibliographies);
 9                         db.SaveChanges();
10                         DateTime endTime = DateTime.Now;
11                         Console.Write("正在执行第 " + i + " 条数据插入，耗时 " + (starTime - endTime) + "\r\n");
12                     }
13                 }

for (int i = 0; i < 1000000; i++)
                {
                    Temp temp = new Temp();
                    DateTime starTime = DateTime.Now;
                    db.Insert(temp.Bibliographies);
                    DateTime endTime = DateTime.Now;
                    Console.Write("正在执行第 " + i + " 条数据插入，耗时 " + (starTime - endTime) + "\r\n");
                }