using System.ComponentModel.DataAnnotations; // [Required], [StringLength] using System.ComponentModel.DataAnnotations.Schema; // [Column] namespace Packt.Shared; public class Product { public int ProductId { get; set; } // primary key [Required] [StringLength(40)] public string ProductName { get; set; } = null!; [Column("UnitPrice", TypeName = "money")] public decimal? Cost { get; set; } // property name != column name [Column("UnitsInStock")] public short? Stock { get; set; } public bool Discontinued { get; set; } // these two define the foreign key relationship // to the Categories table public int CategoryId { get; set; } public virtual Category Category { get; set; } = null!; }