public class Order
{
  [Required]
  public int Id { get; set; }
  [Required]
  public int ItemId { get; set; }
  [Required]
  public string Name { get; set; }
  [Required]
  public string Email { get; set; }
  public string Website { get; set; }
  [RegularExpression(@"\(\d\d\d\) \d\d\d\-\d\d\d\d")]
  public string Phone { get; set; }
  [Required]
  public DateTime DeliveryDate { get; set; }
  public string Address { get; set; }
  Range(1, 10)]
  public int Quantity { get; set; }
}