public ActionResult Edit(EventViewModel model)
{
if (ModelState.IsValid)
{
eventRepository.SaveEvent(model.SelectedEvent);
this.Success("Changes on event has been saved");
return RedirectToAction("Details", new { id = model.SelectedEvent.EventId });
}
model.Categories = categorySelectList();
ViewBag.action = "Edit";
return View("EventForm", model);
}