public void Menu() { LoginAdmin(); do { Console.Clear(); Console.WriteLine("---------------------------------------"); Console.WriteLine("| WELCOME TO DAEBAK BOOKSTORE |"); Console.WriteLine("|-------------------------------------|"); Console.WriteLine("|1. BOOKS |"); Console.WriteLine("|2. EMPLOYEE |"); Console.WriteLine("|3. TRANSACTION |"); Console.WriteLine("|4. TRANSACTION DETAIL |"); Console.WriteLine("|5. EXIT |"); Console.WriteLine("---------------------------------------\n"); Console.Write("Enter Your Choice : "); pilih = Console.ReadLine(); Console.WriteLine("\n"); switch (pilih) { case "1": Book bk = new Book(); bk.BookMenu(); Menu(); break; case "2": Employee emp = new Employee(); emp.EmployeeMenu(); Menu(); break; case "3": Transaction tr = new Transaction(); Menu(); break; case "4": Transaction_Detail td = new Transaction_Detail(); Menu(); break; case "5": Console.WriteLine("Thank You So Much, Have A Nice Day!"); Console.ReadLine(); break; default: Console.WriteLine("Wrong Input"); Console.ReadLine(); break; } } while (pilih != "5"); }