public void AddItemToDb()
 {
     try
     {
         medicalRecordModel.AddMedicalRecordToDb();
         containingVm.ReplaceScreen(Screen.PATIENT_DATA);
     }
     catch (ArgumentException e) { containingVm.ShowMessage(e.Message); }
     catch (Exception e) { containingVm.ShowMessage(e.Message); }
 }
 public void GoBack()
 {
     containingVm.ReplaceScreen(Screen.ADD_MEDICAL_FILE);
 }
 public void ReplaceScreen(Screen desiredScreen)
 {
     containingShellVm.ReplaceScreen(desiredScreen);
 }