CodeFirstModel.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.Entity;
using System.Data.Entity.ModelConfiguration.Conventions;

namespace AspMvcCodeFirst.Models
{
    public class CodeFirstModel : DbContext 
    {

        public DbSet<Product> Products { get; set; }

        public DbSet<Category> Categories { get; set; }
    }


    public class Product
    {
        public long ProductId { get; set; }
        public string ProductName { get; set; }
        public double SalesPrice { get; set; }
        public double TaxRate { get; set; }
        public Category Category { get; set; }
    }
    public class Category
    {
        public long CategoryId { get; set; }
        public string CategoryName { get; set; }
        public ICollection<Product> Products { get; set; }
     
    }
}