ASP.NET MVC5网站开发之用户角色的后台管理1（七）

using System.ComponentModel.DataAnnotations;

namespace Ninesky.Core
{
 /// <summary>
 /// 角色
 /// </summary>
 public class Role
 {
  [Key]
  public int RoleID { get; set; }

  /// <summary>
  /// 名称
  /// </summary>
  [Required(ErrorMessage ="必须输入{0}")]
  [StringLength(20,MinimumLength =2, ErrorMessage ="{0}长度为{2}-{1}个字符")]
  [Display(Name ="名称")]
  public string Name { get; set; }

  /// <summary>
  /// 说明
  /// </summary>
  [StringLength(1000, ErrorMessage = "{0}必须少于{1}个字符")]
  [Display(Name = "说明")]
  public string Description { get; set; }

 }
}