public ActionResult ParticipantOrganizationUpdate(Participants model)
{
Participants participant = participantBLL.GetParticipants(model.ParticipantID);
participant.NumberofPeople = model.NumberofPeople;
participant.Date = DateTime.Now;
participantBLL.JoınOrganizationUpdate(participant);
return(RedirectToAction("MyOrganizationList"));
}