数据注解

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Web;
 5 using System.ComponentModel.DataAnnotations;
 6 
 7 namespace ContosoUniversity.Models
 8 {
 9     public class Student
10     {
11         public int ID { get; set; }
12         public string LastName { get; set; }
13         public string FirstMidName { get; set; }
14         [DataType(DataType.Date)]
15         [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] 
16         public DateTime EnrollmentDate { get; set; }
17 
18         public virtual ICollection<Enrollment> Enrollments { get; set; }
19     }
20 }