public ActionResult DeleteClinicDay(int id) { // get clinic day var clinicDay = _clinicRepository.GetClinicDay(id); if (clinicDay != null) { // convert day to enum day var day = Convert.ToString(clinicDay.Day); var enumDay = ((DayOfWeek)Enum.Parse(typeof(DayOfWeek), day)); // check if there are future appointments booked on this day var appExists = _appointmentRepository.Appointments .Where(s => s.Date >= DateTime.Today) .Any(s => s.Date.DayOfWeek == enumDay); if (appExists) { // return to index with error ViewBag.Error = $"Failed to delete {day}. There are future appointments booked on this day"; return(View("Index")); } else { // delete day var deleted = _clinicRepository.DeleteClinicDay(clinicDay); if (deleted) { return(RedirectToAction("Index")); } } } return(HttpNotFound()); }