public void addRecord()
        {
            appointment newAppt = new appointment();

            newAppt.FacultyID = 109;
            newAppt.FromTime  = new DateTime(2016, 4, 28, 8, 0, 0);

            myDB.appointments.InsertOnSubmit(newAppt);

            myDB.SubmitChanges();
        }
 partial void Deleteappointment(appointment instance);
 partial void Updateappointment(appointment instance);
 partial void Insertappointment(appointment instance);