public ActionResult AddParticipant(PromoData promo)
{
var promoData = _seminarService.GetPromoData();
promo.Positions = promoData.Positions;
promo.Seminars = promoData.Seminars;
if (promo.Participant?.Position == null)
{
ModelState.AddModelError("Position", "Укажите должность");
}
if (promo.Participant != null && ModelState.IsValid)
{
bool isTransactionCommitted = _seminarService.AddParticipant(promo.Participant);
promo.IsTransactionCommitted = isTransactionCommitted;
}
return(View("MainPage", promo));
}