public String Datos(String Radio) throws SQLException {
        String Recorrer = "";
        ResultSet Rs = null;

        if (Radio.equals("Profesores")) {
            
            Recorrer += "<select  id=\"ConProEsT\" name=\"selector\"  >";
            Rs = Pres.traerProfesor();
            while (Rs.next()) {
                Recorrer += "<option Value='" + Rs.getString("Identificacion") + "' >" + Rs.getString("nombre_completo") + "</option>";
                
            }
            Recorrer += "</select>";

        } else if (Radio.equals("Estudiante")) {
            Recorrer += "<select  id=\"ConProEsT\"   name=\"selector\" >";
            Rs = Pres.traerEstudiante();
            while (Rs.next()) {
                Recorrer += "<option Value='" + Rs.getString("Identificacion") + "' >" + Rs.getString("nombre_completo") + "</option>";
               
            }
            Recorrer += "</select>";
        }

        return Recorrer;

    }