public void CountGroupGradeBySerminarId(long seminarId)
{
try
{
////调用SeminarGroupService中的ListSeminarGroupBySeminarId 方法
IList <SeminarGroup> seminarGroupList = _iSeminarGroupService.ListSeminarGroupBySeminarId(seminarId);
_iGradeDao.CountGroupGradeBySerminarId(seminarId, seminarGroupList);
}
catch (SeminarNotFoundException sme)
{
throw sme;
}
catch (GroupNotFoundException gre)
{
throw gre;
}
catch (Exception e)
{
throw e;
}
}
