ef 事务

 1      using (var context = new FcityDB２Entities())
 2             {
 3                 using (var trasaction = context.Database.BeginTransaction())
 4                 {
 5                     try
 6                     {
 7                         TestEF t = new TestEF();
 8                         t.username = "conan";
 9                         t.age = 101;
10                         t.birthday = System.DateTime.Now;
11                         context.Set<TestEF>().Add(t);
12                         context.SaveChanges();
13 
14                         TestEF t2 = new TestEF();
15                         t2.username = "conan";
16                         t2.age = 101;
17                         t2.birthday = System.DateTime.Now;
18                         context.Set<TestEF>().Add(t2);
19                         context.SaveChanges();
20                         trasaction.Commit();
21                     }
22                     catch
23                     {
24                         trasaction.Rollback();
25                     }
26                 }
27             }