public DmucPhikemtheoCollection FetchAll()
 {
     DmucPhikemtheoCollection coll = new DmucPhikemtheoCollection();
     Query qry = new Query(DmucPhikemtheo.Schema);
     coll.LoadAndCloseReader(qry.ExecuteReader());
     return coll;
 }
 public DmucPhikemtheoCollection FetchByQuery(Query qry)
 {
     DmucPhikemtheoCollection coll = new DmucPhikemtheoCollection();
     coll.LoadAndCloseReader(qry.ExecuteReader());
     return coll;
 }
 public DmucPhikemtheoCollection FetchByID(object IdKhoakcb)
 {
     DmucPhikemtheoCollection coll = new DmucPhikemtheoCollection().Where("id_khoakcb", IdKhoakcb).Load();
     return coll;
 }