public StudentDetailsViewModel(Student student, List <SubjectGraph> subjectGraphs)
{
ActualStudent = student;
AllSubjects = subjectGraphs.ToList();
if (student.ActualSubject == null)
{
SelectedSubject = AllSubjects.First().Name;
}
else
{
SelectedSubject = student.ActualSubject.Name;
}
}
private void AddSubject()
{
if (EditBox == "")
{
return;
}
SchoolObjContext Context = new SchoolObjContext();
var subject = new Subject()
{
Name = EditBox, StandardId = SelectedStandard.StandardId, Standard = null
};
Context.Subjects.Add(subject);
if (Context.SaveChanges() > 0)
{
//MessageBox.Show("Subject Added Successfully", "Success !", MessageBoxButton.OK, MessageBoxImage.Information);
AllSubjects.Add(subject);
EditBox = "";
MainViewModel.RefreshView("Subjects");
}
}
private void RemoveSubject()
{
if (SelectedGridItem == null)
{
return;
}
dynamic tmp = SelectedGridItem;
int id = tmp.Id;
SchoolObjContext Context = new SchoolObjContext();
var obj = Context.Subjects.Where(s => s.Id == id).FirstOrDefault();
Context.Subjects.Remove(obj);
if (Context.SaveChanges() > 0)
{
MainViewModel.RefreshView("Subjects");
MessageBox.Show("Subject Deleted Successfully", "Success !", MessageBoxButton.OK, MessageBoxImage.Information);
AllSubjects.Remove(SelectedGridItem);
EditBox = "";
}
}
public static Subject GetSubjectById(int id)
{
return(AllSubjects.First(x => x.SubjectID == id));
}