/**
* Method is to return Grade list reference data.
*
* @return GradeList - Grade reference data.
* @throws AkuraAppException - throw SMSExeption.
*/
@ModelAttribute(MODEL_ATT_GRADE_LIST)
public List<Grade> populateGradeList() throws AkuraAppException {
return SortUtil.sortGradeList(commonService.getGradeList());
}
