using System.ComponentModel; using System.ComponentModel.DataAnnotations; namespace BaseOUDAL { public class Dictionary { public int Id { get; set; } [Required] [MaxLength(50)] [DisplayName("名称")] public string Name { get; set; } [DisplayFormat(ConvertEmptyStringToNull = false)] [DisplayName("类别")] [MaxLength(50)] public string Catalog { get; set; } } }