public static void CleanUpSerialData()
{
using (CarrotCMSDataContext _db = CarrotCMSDataContext.Create()) {
IQueryable<carrot_SerialCache> lst = (from c in _db.carrot_SerialCaches
where c.EditDate < DateTime.UtcNow.AddHours(-6)
select c);
_db.carrot_SerialCaches.BatchDelete(lst);
_db.SubmitChanges();
}
}