public static IEnumerable <TourLocations> ListTourLocationsByTourId(int?TourId)
{
return(TourLocationDAL.Get(
t => !TourId.HasValue || t.TourId == TourId,
t => t.OrderBy(to => to.Order),
new List <Expression <Func <TourLocations, object> > >
{
t => t.Location
}
));
}
