private bool MainMenu() { Console.Clear(); Console.WriteLine("-------------------------------"); Console.WriteLine(" SAMMURAI DB "); Console.WriteLine("-------------------------------"); Console.WriteLine(); Console.WriteLine("What do you want to do?"); Console.WriteLine("1. Add new Samurai "); Console.WriteLine("2. Update Samurai"); Console.WriteLine("3. Delete Samurai"); Console.WriteLine("4. Show DB"); Console.WriteLine("5. Exit"); switch (Console.ReadLine()) { case "1": Console.Clear(); GetSamuraiInfoFromUserInputForAdding(); _business.AddSamuraiFromUserInput(); ShowMenu(); return(false); case "2": Console.Clear(); _business.ShowSamuraiDb(); GetSamuraiIdForUpdate(); _business.UpdateSamuraiFromUserInput(); ShowMenu(); return(false); case "3": Console.Clear(); _business.ShowSamuraiDb(); GetSamuraiIdForDelete(); _business.DeleteSamuraiFromUserInput(); ShowMenu(); return(false); case "4": Console.Clear(); _business.ShowSamuraiDb(); Console.WriteLine("Enter to exit"); Console.ReadLine(); ShowMenu(); return(false); case "5": Environment.Exit(0); return(false); default: return(true); } }