public DmucGoikhamKiemdinhCollection FetchAll()
 {
     DmucGoikhamKiemdinhCollection coll = new DmucGoikhamKiemdinhCollection();
     Query qry = new Query(DmucGoikhamKiemdinh.Schema);
     coll.LoadAndCloseReader(qry.ExecuteReader());
     return coll;
 }
 public DmucGoikhamKiemdinhCollection FetchByQuery(Query qry)
 {
     DmucGoikhamKiemdinhCollection coll = new DmucGoikhamKiemdinhCollection();
     coll.LoadAndCloseReader(qry.ExecuteReader());
     return coll;
 }