static void Main(string[] args) { Initialize(); using (var context = new CompanyDbContext()) { Console.WriteLine("Camera Property: Lens = {0}", context.Products.OfType <Camera>().First().Lens); Console.WriteLine("SingleReflexCamera Property: LensMount = {0}", context.Products.OfType <SingleReflexCamera>().First().LensMount); Console.WriteLine("Lens Property: FocalLength = {0}", context.Products.OfType <Lens>().First().FocalLength); Console.WriteLine("Lens Property: MaxAperture = {0}", context.Products.OfType <Lens>().First().MaxAperture); } Console.Read(); }
static void Main(string[] args) { Initialize(); using (var context = new CompanyDbContext()) { Console.WriteLine("Camera Property: Lens = {0}", context.Products.OfType<Camera>().First().Lens); Console.WriteLine("SingleReflexCamera Property: LensMount = {0}", context.Products.OfType<SingleReflexCamera>().First().LensMount); Console.WriteLine("Lens Property: FocalLength = {0}", context.Products.OfType<Lens>().First().FocalLength); Console.WriteLine("Lens Property: MaxAperture = {0}", context.Products.OfType<Lens>().First().MaxAperture); } Console.Read(); }
static void Initialize() { using (var context = new CompanyDbContext()) { if (context.Products.Count() == 0) { context.Products.Add(new Camera() { Id = 1, Caption = "PowerShot G1 X Mark II", Manufacturer = "Canon", TypeNumber = "PowerShot G1 X Mark II", Lens = "12.5mm (W) - 62.5mm (T)" }); context.Products.Add(new SingleReflexCamera() { Id = 2, Caption = "EOS-1D X", Manufacturer = "Canon", TypeNumber = "EOS-1D X", LensMount = "Canon EF mount" }); context.Products.Add(new Lens() { Id = 3, Caption = "EF 16-35mm f/2.8L II USM", Manufacturer = "Canon", TypeNumber = "EF 16-35mm f/2.8L II USM", FocalLength = "16-35mm", MaxAperture = "F2.8" }); context.SaveChanges(); } } }