结构体中在有构造函数时不能有get;set;自动属性，2：不能有无参构造函数，

1         public struct MyStruct 2         { 3             public MyStruct(string a, int b, double c) 4             { 5                 this.a = a; 6                 this.b = b; 7                 this.c = c; 8             } 9             public string a;10             public int b;11             public double c;12         }13 14　　　　 public ActionResult Index()15         {16             List
     
       lis = new List
      
       ();17             MyStruct m1 = new MyStruct();18             m1.a = "a";19             m1.b = 1;20             m1.c = 3.33;21             lis.Add(m1);22             lis.Add(new MyStruct("a", 2, 3.33));23             return View();24         }