public static bool bSuaSoLuongPhong(ThayDoiQuyDinhDTO tdqd)
 {
     return ThayDoiQuyDinhDAO.dSuaSoLuongPhong(tdqd);
 }
 public static bool bSuaTyLePhuThu(ThayDoiQuyDinhDTO tdqd)
 {
     return ThayDoiQuyDinhDAO.dSuaTyLePhuThu(tdqd);
 }
 public static bool bSuaSLKhachToiDa(ThayDoiQuyDinhDTO tdqd)
 {
     return ThayDoiQuyDinhDAO.dSuaSLKhachToiDa(tdqd);
 }
 public static bool bSuaGiaVN(ThayDoiQuyDinhDTO tdqd)
 {
     return ThayDoiQuyDinhDAO.dSuaGiaVN(tdqd);
 }
 public static bool dSuaTyLePhuThu(ThayDoiQuyDinhDTO tdqd)
 {
     SqlConnection con = DataProvider.ConnectionString();
     string sql = "update LoaiPhong set TyLePhuThuMax = " + tdqd.TyLePhuThu + " where MaLP=" + tdqd.MaLP + "";
     return DataProvider.ExecuteNonQuery(sql, con);
 }
 public static bool dSuaSoLuongPhong(ThayDoiQuyDinhDTO tdqd)
 {
     SqlConnection con = DataProvider.ConnectionString();
     string sql = "update LoaiPhong set SLPhong = " + tdqd.SLPhong + " where MaLP=" + tdqd.MaLP + "";
     return DataProvider.ExecuteNonQuery(sql, con);
 }
 public static bool dSuaGiaVN(ThayDoiQuyDinhDTO tdqd)
 {
     SqlConnection con = DataProvider.ConnectionString();
     string sql = "update LoaiPhong set GiaVN = '" + tdqd.GiaVN + "' where MaLP=" + tdqd.MaLP + "";
     return DataProvider.ExecuteNonQuery(sql, con);
 }