public void Delete(string username, string ClassId, int ClassNumber)
{
Homework homework = GetHomework(username, ClassId, ClassNumber);
Delete(homework);
}
public void Delete(Homework homework)
{
this.dataContext.Homework.Remove(homework);
this.dataContext.SaveChanges();
}
public void Add(Homework homework)
{
this.dataContext.Homework.Add(homework);
this.dataContext.SaveChanges();
}