static void Main(string[] args) { DBConnection dbConnection = new DBConnection(); UserRepository userRepository = new UserRepository(dbConnection); User user = new User() { UserName = "******", FirstName = "Misu", LastName = "Chereches", Type = "Employeee" }; userRepository.Add(user); //var userList = userRepository.GetAll(); Task task = new Task() { Name = "UNIT-1" }; TaskRepository taskRepository = new TaskRepository(dbConnection); taskRepository.Add(task); Hour hour = new Hour() { UserId = 1, TaskId = 1, Count = 2, Date = DateTime.Today }; HourRepository hourRepository = new HourRepository(dbConnection); hourRepository.Add(hour); List <Hour> listHours = hourRepository.GetAll(); }