private static void AddAddress(ContactService contactService) { DisplayAllContacts(contactService); Console.Write($"Enter the Id of contact you wish to add address : "); int idOfContact = Int32.Parse(Console.ReadLine()); Contact contact = contactService.GetContactById(idOfContact); Console.Write("Enter Location for the Addresses : "); string addressLocation = Console.ReadLine(); try { contactService.AddAddress(contact, new Address() { Location = addressLocation }); Console.WriteLine("address addded successfully"); } catch (Exception ex) { Console.WriteLine(ex.Message); } }