Ошибка в запросе по интервалу даты

//---------------------------------------------------------------------------
 
void __fastcall TForm1::sBitBtn1Click(TObject *Sender)
{
ADOQuery1->Close();
ADOQuery1->SQL->Clear();
ADOQuery1->SQL->Text="SELECT Çàêàç.Óñëóãà, Çàêàç.Ñòàòóñ, Count(Çàêàç.Óñëóãà) AS [Count-Óñëóãà] FROM Çàêàç WHERE (((Çàêàç.Äàòà) Between :time1 And :time2)) GROUP BY Çàêàç.Óñëóãà, Çàêàç.Ñòàòóñ HAVING (((Çàêàç.Ñòàòóñ)= "Âûïîëíåíî")); ";
ADOQuery1->Parameters->ParamByName("time1")->Value=sDateEdit1->Date.DateString();
ADOQuery1->Parameters->ParamByName("time2")->Value=sDateEdit2->Date.DateString();
ADOQuery1->Open();
}
//---------------------------------------------------------------------------

[C++ Error] Unit1.cpp(109): E2206 Illegal character 'Â' (0xc2)
[C++ Error] Unit1.cpp(109): E2206 Illegal character 'ï' (0xef)
[C++ Error] Unit1.cpp(109): E2206 Illegal character 'î' (0xee)
[C++ Error] Unit1.cpp(109): E2206 Illegal character 'ë' (0xeb)
[C++ Error] Unit1.cpp(109): E2206 Illegal character 'í' (0xed)
[C++ Error] Unit1.cpp(109): E2206 Illegal character 'å' (0xe5)
[C++ Error] Unit1.cpp(109): E2206 Illegal character 'í' (0xed)
[C++ Error] Unit1.cpp(109): E2206 Illegal character 'î' (0xee)

ADOQuery1->SQL->Text="SELECT Заказ.Услуга, Заказ.Статус, Count(Заказ.Услуга) AS [Count-Услуга] FROM Заказ WHERE Заказ.Дата Between time1 And time2 GROUP BY Заказ.Услуга, Заказ.Статус HAVING Заказ.Статус='Выполнено'; ";