SELECT SUM(GILImp) 
  FROM CosGiol 
    WHERE 
      GILObr = 'CAR' AND GILCap = '01' AND GilDes = 'ALB' AND 
      GILTip = 'G' AND GILCosto = 'OB' AND GILFech BETWEEN " + objBBDD.SQL.TratarFecha(objDateTimeInicio) + " AND " + objBBDD.SQL.TratarFecha(objDateTimeFin);
			sCosGiolG = sCosGiolG + " AND GILImp IS NOT NULL";