public void CreateNewUser(string name, string pw) { Users u = new Users(); bool unique = true; u.Username = name; u.Password = pw; var users = db.GetUsers(); foreach (var x in users) { if (x.Username == name) { Console.WriteLine("Sorry, username already exists. Choose another."); Console.WriteLine("-------------------------------------"); unique = false; break; } } if (unique) { db.AddUser(u); Console.WriteLine("Account created successfully"); Console.WriteLine("-------------------------------------"); } }