public ActionResult UpdateStudentGrades(int?TermId, int?TermCourseId, int?SectionId)
{
if (TermId == null)
{
Grading model = new Grading();
model.TermOptions = dao.GetAllTermOptions();
model.TermCourseOptions = new List <TermCourseOption>();
model.SectionOptions = new List <SectionOption>();
return(View(model));
}
if (TermCourseId == null)
{
return(Json(dao.GetTermCourses(TermId.Value), JsonRequestBehavior.AllowGet));
}
if (SectionId == null)
{
return(Json(dao.GetSectionOptions(TermCourseId.Value), JsonRequestBehavior.AllowGet));
}
return(PartialView("EditGrades", dao.GetGrades(SectionId.Value)));
}