protected override void GetUserInput() { // Get user input System.IO.TextReader tIn = Console.In; string input = tIn.ReadLine(); // convert to lower case input = input.ToLower(); switch (input) { case "a": CustomerDB customerDB = new CustomerDB(); Customer customer = customerDB.FindCustomerById(1); Console.WriteLine(customer.Id); Console.WriteLine(customer.FullName); Console.WriteLine(customer.Username); break; case "b": Console.Out.WriteLine("Option B chosen"); break; default: break; } }