QSqlQuery SetShowPercentage("UPDATE settingsBasic SET showPercentage='"
                                + QString::fromStdString(
                    boost::lexical_cast<std::string>(
                    boost::lexical_cast<char>(
                    this->findChild<QCheckBox*>("checkBox_2")->isChecked())))
                + "' WHERE id='2'", this->mainWindow->db);