public void DeleteSubjectItem(Subject subjectForDelete)
{
// Remove the to-do item from the "all" observable collection.
AllSubjectItems.Remove(subjectForDelete);
// Remove the to-do item from the data context.
studentusDB.SubjectItems.DeleteOnSubmit(subjectForDelete);
// Save changes to the database.
studentusDB.SubmitChanges();
}
public void AddSubject(Subject newSubjectItem)
{
studentusDB.SubjectItems.InsertOnSubmit(newSubjectItem);
AllSubjectItems.Add(newSubjectItem);
studentusDB.SubmitChanges();
}
