protected void Page_Load(object sender, EventArgs e)
        {
            if (IsPostBack == false)
            {
                string maDH = Request.QueryString["MaDH"].ToString();

                Xuly_PhanboThanhPham control = new Xuly_PhanboThanhPham();
                control.LayDonHangTheoMa(maDH);

                DAO_Entity daoDH = new DAO_Entity();
                DTODonDatHang dtoDH = daoDH.LayDHTheoMa(maDH);
                lbMaDH.Text = dtoDH.MaDH.ToString();
                lbKH.Text = dtoDH.MaKH.ToString();
            }


            try
            {
                
                string madh = Request.QueryString["MaDH"].ToString();

                Xuly_PhanboThanhPham control = new Xuly_PhanboThanhPham();
                control.LayCTDH(madh);


                DAO_Entity daokh = new DAO_Entity();
                List<DTOChiTietDH> dtoct = daokh.LayDSChiTietDH(madh);
                GridView1.DataSource = dtoct;
                GridView1.DataBind();

                List<DTOXuLyPhieuGiao> dto = daokh.LayDSPhieuGiao(madh);
                GridView3.DataSource = dto;
                GridView3.DataBind();

                control.LayDSkhosp();

                List<DTOKhoSP> dtok = daokh.LayDSKhoSP();
                GridView2.DataSource = dtok;
                GridView2.DataBind();

            }
            catch
            {
                Response.Write("<script>alert('Loi tai du lieu!')</script>");
            }
           
        }
 public void LayCTDH(string ma)
 {
     DAO_Entity dao = new DAO_Entity();
     dao.LayDSChiTietDH(ma);
 }
 //ThemNhapThanhPham
 public void layCT_DonHang(string ma)
 {
     DAO_Entity dao = new DAO_Entity();
     dao.LayDSChiTietDH(ma);
 }