public void DeleteTheater(int TheaterID)
{
TheaterDal dal = new TheaterDal();
dal.DeleteEntity(TheaterID);
// Remove the theater from the cache
rwl.AcquireWriterLock(new TimeSpan(1, 0, 0));
if (HallCache[TheaterID.ToString()] != null)
HallCache.Remove(TheaterID.ToString());
rwl.ReleaseWriterLock();
}
