using System.ComponentModel.DataAnnotations; using System.ComponentModel.DataAnnotations.Schema; namespace WebVentaCoche.Models { public class OrderDetail { [Key] public int Id { get; set; } public int OrderId { get; set; } [ForeignKey("OrderId")] public virtual Order Order { get; set; } public int ProductId { get; set; } [ForeignKey("ProductId")] public virtual Product Product { get; set; } public int Quantity { get; set; } public decimal UnitPrice { get; set; } public decimal Subtotal => Quantity * UnitPrice; } }