def _on_table_show(self): if self.__cursor.closed: return rowCount = self._tableWidget.rowCount() try: data = Query.fetch_cursor(self.__cursor, self.__offset, self.__count) except Exception, err: QtGui.QMessageBox(QtGui.QMessageBox.Critical, self._tableWidget.tr('ERROR'), unicode(err), QtGui.QMessageBox.Ok, self._tableWidget).exec_() return