public ActionResult DeleteConfirmed([Bind(Include = "Id")] PreferencesFormViewModel preferences)
{
PreferencesPivot preference = Mapper.Map <PreferencesFormViewModel, PreferencesPivot>(preferences);
PreferencesPivot per = preferencesServise.GetPreferences(preferences.Id);
preferencesServise.DeletPreferencesPivot(per);
// db.SaveChanges();
preferencesServise.SavePreferencesPivot();
return(RedirectToAction("Index"));
}