static void Main(string[] args) { while (true) { Console.WriteLine("VIOS Console Application"); Console.WriteLine("--------------------------------"); Console.WriteLine("1. Add New User"); Console.WriteLine("2. Update User"); Console.WriteLine("3. Delete User"); Console.WriteLine("4. Display All Users"); Console.WriteLine("5. Find user by Id"); Console.WriteLine("6. Exit"); Console.WriteLine("Enter your choice"); int choice = Convert.ToInt32(Console.ReadLine()); switch (choice) { case 1: DataAccess.DataAccess data = new DataAccess.DataAccess(); UserLogin objUser = new UserLogin(); Console.WriteLine("Enter new UserName"); string UserName = Console.ReadLine(); string Password = Console.ReadLine(); objUser.UserName = UserName; objUser.UserPassword = Password; data.AddNewUser(objUser); Console.WriteLine("New User is Created"); //Todo break; case 2: Console.WriteLine("User has been updated"); //Todo break; case 3: Console.WriteLine("User has been Removed"); //Todo break; case 4: Console.WriteLine("List of User"); DataAccess.DataAccess data1 = new DataAccess.DataAccess(); Console.WriteLine("UserName \tPassword"); foreach (var item in data1.GetAllUser()) { Console.WriteLine("{0}\t{1}", item.UserName, item.UserPassword); } break; case 5: Console.WriteLine("User Info"); //Todo break; case 6: Environment.Exit(0); //Todo break; } Console.ReadKey(); } }