protected async Task HandleValidSubmit()
{
EventDetailViewModel.CategoryId = Guid.Parse(SelectedCategoryId);
ApiResponse <Guid> response;
if (SelectedEventId == Guid.Empty)
{
response = await EventDataService.CreateEvent(EventDetailViewModel);
}
else
{
response = await EventDataService.UpdateEvent(EventDetailViewModel);
}
HandleResponse(response);
}