//For Student
public void DroppingSubject()
{
if (_totalLoad == 0)
{
MessageBox.Show("You have no subjects to drop");
}
else
{
_totalLoad -= _selectedSubject.Units;
_currentStudent.TakenSubjects.Remove(_selectedSubject);
TakenSubjectCollection.Remove(_selectedSubject);
}
SelectedSubject = null;
}
private void TakingSubject()
{
_totalLoad += _selectedSubject.Units;
if (CurrentStudent.RequiredUnits >= _totalLoad)
{
_selectedStudent.TakenSubjects.Add(_selectedSubject);
TakenSubjectCollection.Add(_selectedSubject);
SelectedSubject = null;
}
else
{
MessageBox.Show("The Student is in Max Load");
}
}