using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations; using System.Linq; using System.Text; using System.Threading.Tasks; namespace DatabaseImplement.Models { public class Book { public int Id { get; set; } [Required] public string Name { get; set; } [Required] public string PicturePath { get; set; } [Required] public string Author { get; set; } [Required] public DateTime PublicationDate { get; set; } } }