public void TestMethod1() { var list = new List <Account>(); for (var index = 0; index < 1000000; index++) { var account = new Account(); account.AccountName = "liis" + index; account.Password = "******" + index; account.CreateDate = DateTime.Now; account.UpdateDate = DateTime.Now; account.DeleteFlg = DeleteFlg.N; list.Add(account); } //accountBll.AddRange(list); accountBll.BulkInsert(list); }