public void DeleteVan(long vanId)
{
using (IDataAccessAdapter myAdapter = PersistenceLayer.GetDataAccessAdapter())
{
IRelationPredicateBucket bucket = new RelationPredicateBucket(VanDetailsFields.VanId == vanId);
if (myAdapter.DeleteEntitiesDirectly(typeof(VanDetailsEntity), bucket) == 0)
{
throw new PersistenceFailureException();
}
}
}