private void grdEnrolledYear_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex <= -1)
            {
                return;
            }

            if (grdEnrolledYear.CurrentRow == null)
            {
                return;
            }

            var data = grdEnrolledYear.CurrentRow.DataBoundItem as venrolledyearinfo;

            if (data == null)
            {
                return;
            }

            int id = data.id;

            Presenter.LoadEnrolledYearInfo(id);
        }