public ActionResult Index(int medicalRecordId) { AddMedicalRecordToTempData(medicalRecordId); TempData.Keep(); IList <TreatmentViewModel> treatmentViewModels = new List <TreatmentViewModel>(); treatmentViewModels = treatmentRepository.GetByMedicalRecordEntryId(medicalRecordId).ToViewModel(); return(View(treatmentViewModels)); }