private bool Loaddb()
 {
     A.SetSelect("SELECT `kode_siswa`, `nis`, `namasiswa`, `jeniskelamin`, CONCAT(IF(`tempatlahir`='','-', `tempatlahir`),', ', `tgllahir`) `tll`, `kontak`, `email`, " +
                 "`alamat`, `ayah`, `ibu`, DATE_FORMAT(`masuk`,'%d-%m-%Y') `masuk`,`angkatan`, `status`, `keterangan` ");
     A.SetFrom("FROM `m_siswa` ");
     A.SetWhere("WHERE `hapus`='N' ");
     Dtp1.GenerateQueriDate(Dtp2, "masuk");
     CbAngkatan.GenerateQueriValue("angkatan");
     TbCari.GenerateQueriCari(new List <string>()
     {
         "nis", "namasiswa", "tempatlahir", "kontak", "email", "ayah", "ibu"
     });
     A.SetQueri(A.GetSelect() + A.GetFrom() + A.GetWhere() + tbhalaman.LimitQ(ldarihalaman, A.GetFrom(), A.GetWhere()) + ";");
     Dg.QueriToDg();
     return(true);
 }