protected void btnThemSP_Click(object sender, EventArgs e)
{
XemDSKho.Visible = true;
DTOXuLyPhieuGiao dtoct = new DTOXuLyPhieuGiao();
// DTODonDatHang dtoDH = new DTODonDatHang();
dtoct.MaDH = lbMaDH.Text;
DTOSanPham dtoSP = new DTOSanPham();
dtoct.MaSP = int.Parse(ddTP.SelectedValue);
// dtoSP.TenSP = ddTP.SelectedItem.ToString();
//dtoct.dtoSP = dtoSP;
//dtoct.dtoDH = dtoDH;
//dtoSP.TenSP = ddTP.SelectedValue;
dtoct.SoLuong = int.Parse(txtSoLuong.Text);
dtoct.ThanhTien = int.Parse(lbgia.Text) * int.Parse(txtSoLuong.Text);
//BLLXuLyDonHang bll = new BLLXuLyDonHang();
//bll.ThemChiTietDH(dtoct);
DTOKhoSP dtokho = new DTOKhoSP();
dtokho.MaSP = int.Parse(ddTP.SelectedValue);
dtokho.Soluong = int.Parse(lbSLKho.Text) - int.Parse(txtSoLuong.Text);
DAO_Entity dao = new DAO_Entity();
dao.CapNhatSLKhoSP(dtokho);
DAO_Entity daokh = new DAO_Entity();
daokh.ThemPhieuGiaoHang(dtoct);
Response.Redirect(Request.RawUrl);
}