public NoitruDmucBuongCollection FetchAll()
 {
     NoitruDmucBuongCollection coll = new NoitruDmucBuongCollection();
     Query qry = new Query(NoitruDmucBuong.Schema);
     coll.LoadAndCloseReader(qry.ExecuteReader());
     return coll;
 }
 public NoitruDmucBuongCollection FetchByQuery(Query qry)
 {
     NoitruDmucBuongCollection coll = new NoitruDmucBuongCollection();
     coll.LoadAndCloseReader(qry.ExecuteReader());
     return coll;
 }
 public NoitruDmucBuongCollection FetchByID(object IdBuong)
 {
     NoitruDmucBuongCollection coll = new NoitruDmucBuongCollection().Where("id_buong", IdBuong).Load();
     return coll;
 }