private void BeforeEnrollmentItem_Load(object sender, EventArgs e)
        {
            _BeforeEnrollmentRecord = JHBeforeEnrollment.SelectByStudentID(PrimaryKey);
            listener.Add(new TextBoxSource(txtSchool));
            listener.Add(new TextBoxSource(txtSchoolLocation));
            listener.Add(new TextBoxSource(txtClass));
            listener.Add(new TextBoxSource(txtSeatNo));
            listener.Add(new TextBoxSource(txtMemo));
            listener.Reset();
            listener.StatusChanged += new EventHandler <ChangeEventArgs>(listener_StatusChanged);

            JHBeforeEnrollment.AfterUpdate += new EventHandler <K12.Data.DataChangedEventArgs>(JHBeforeEnrollment_AfterUpdate);
            _worker.DoWork             += new DoWorkEventHandler(_worker_DoWork);
            _worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(_worker_RunWorkerCompleted);

            Disposed += new EventHandler(BeforeEnrollmentItem_Disposed);
        }
 private void GetData()
 {
     _BeforeEnrollmentRecord = JHBeforeEnrollment.SelectByStudentID(PrimaryKey);
 }