public async void DeleteLayout()
{
if (selectedLayout.Id == 0)
{
windowManager.ShowDialog(new ErrorViewModel(MyResources.SelectLayoutMsg));
}
else
{
await managerService.DeleteLayoutAsync(selectedLayout.Id);
LayoutsByVenueId = managerService.GetAllLayoutsByVenueId(selectedVenue.Id);
SeatsByAreaId = null;
AreasByLayoutId = null;
}
}