public partial class WebManageRoles : Lind.DDD.Domain.Entity
    {
        public WebManageRoles()
        {
            this.WebManageMenus = new List<WebManageMenus>();
            this.WebManageUsers = new List<WebManageUsers>();
        }
        [DisplayName("名称"), Required]
        public string RoleName { get; set; }
        [DisplayName("关于")]
        public string About { get; set; }
        [DisplayName("排序"), Required]
        public int SortNumber { get; set; }
        [DisplayName("最后操作人")]
        public string Operator { get; set; }
        [DisplayName("权限"), Required]
        public int OperatorAuthority { get; set; }
        [DisplayName("部门"), Required]
        public int DepartmentID { get; set; }

        public virtual WebDepartments WebDepartments { get; set; }
        public virtual ICollection<WebManageMenus> WebManageMenus { get; set; }
        public virtual ICollection<WebManageUsers> WebManageUsers { get; set; }
    }

  old.WebManageMenus = menuRepository.GetModel(i => menu.Contains(i.Id)).ToList();
  old.DepartmentID = dept;
  old.RoleName = entity.RoleName;
  old.SortNumber = entity.SortNumber;
  old.About = entity.About;
  old.DataUpdateDateTime = DateTime.Now;
  roleRepository.Update(old);

        public ManagerContext()
            : base("DefaultConnection")
        {
           
            this.Configuration.AutoDetectChangesEnabled = true;//对多对多，一对多进行curd操作时需要为true
            this.Configuration.LazyLoadingEnabled = false;
            this.Configuration.ProxyCreationEnabled = false;//禁止动态拦截System.Data.Entity.DynamicProxies.

        }