DutchTreat/ViewModels/OrderItemViewModel.cs

using System;
using System.ComponentModel.DataAnnotations;

namespace DutchTreat.ViewModels
{
    public class OrderItemViewModel
    {
        public int Id { get; set; }
        [Required]
        public int Quantity { get; set; }
        [Required]
        public decimal UnitPrice { get; set; }
        [Required]
        public int ProductId { get; set; }

        /// <summary>
        /// automapper convention to fetch related product information
        /// add Product as the prefix to the property. the mapper automatically 
        /// maps it
        /// </summary>
        public string ProductCategory { get; set; }
        public string ProductSize { get; set; }
        public decimal ProductPrice { get; set; }
        public string ProductTitle { get; set; }
        public string ProductArtist { get; set; }
        public string ProductArtId { get; set; }
    }
}