protected void btnQuery_Click(object sender, EventArgs e)
        {
            string macongty = DropCty.SelectedValue.ToString();

            string madonvi = DropDownLDonVi.SelectedValue.ToString();

            //GridView1.DataSource = QuyTrinhXetDuyetCuaCanBoDAO.LayDanhSachQuyTrinhTheoBoPhan(madonvi, macongty);
            GridView1.DataSource = db.LayQuyTrinhTheoDonViCanBo(madonvi, macongty);
            GridView1.DataBind();
        }