protected void m_grid_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            try
            {
                int id = e.RowIndex;
                m_grid.EditIndex = id;
                GridViewRow row = m_grid.Rows[id];

                string ThanhPham = ((DropDownList)row.FindControl("txtUThanhPham")).Text;
               string ThietBi= ((DropDownList)row.FindControl("txtUThietBi")).Text;

              //  short updateId = Int16.Parse(m_grid.DataKeys[id].Value.ToString());
                if (m_grid.DataKeys[id].Value.ToString()!= "")
                {
                    clsThanhPhamChiTiet objThanhPhamChiTiet = new clsThanhPhamChiTiet();

                    objThanhPhamChiTiet.ThanhPhamChiTiet_Id = m_grid.DataKeys[id].Value.ToString();
                    objThanhPhamChiTiet.ThanhPham_Id =ThanhPham;
                    objThanhPhamChiTiet.ThietBi_Id = ThietBi;

                    int _result = objThanhPhamChiTiet.Update();
                    if (_result == 1)
                    {
                        ltlAnnouncement.Text = "Sửa thành phẩm chi tiết thành công!";
                    }
                    if (_result < 0)
                    {
                        ltlAnnouncement.Text = "Có lỗi trong quá trình sửa dữ liệu!";
                    }
                }
            }
            catch (Exception ex)
            {
                ltlAnnouncement.Text = "Khong cap nhat duoc du lieu. Vui long lien he voi quan tri<br>" + ex.Message;
            }

            bindData(-1);
        }