public Teacher Add(Teacher teacher)
{
context.Teachers.Add(teacher);
context.SaveChanges();
return(teacher);
}
public Announcement Add(Announcement announcement)
{
context.Announcements.Add(announcement);
context.SaveChanges();
return(announcement);
}
public Course Add(Course course)
{
context.Courses.Add(course);
context.SaveChanges();
return(course);
}
