public function displayDeleteGradeConfirmation($grade)
{
$infoStr = sprintf($this->languageManager->getText('deleteGradeConfirmationString'), $grade['gradelevel'], $grade['label']);
parent::confirmationDialog($infoStr, $this->sectionString, 'deleteGrade&ID=' . $grade['ID'], $this->languageManager->getText('deleteGradeConfirmationYes'), $this->languageManager->getText('deleteGradeConfirmationNo'));
}
