Context file

EFContext.cs

using Microsoft.EntityFrameworkCore;

namespace EFCore.Models {

    public class EFContext : DbContext {

        private const string connectionString = "Server=.\\;Database=EFCore;Trusted_Connection=True;";

        protected override void OnConfiguring (DbContextOptionsBuilder optionsBuilder) {
            optionsBuilder.UseSqlServer (connectionString);
        }
        public DbSet<Product> Products { get; set; }
    }
}