protected void Page_Load(object sender, EventArgs e)
{
try
{
hienThanhPhamChon();
if (Session["dsThanhPhamChon"] == null)
{
lbDSChon.Visible = false;
lbTextTongTien.Visible = false;
lbTongTien.Visible = false;
lbDSSanpham.Visible = false;
grDSSanPham.Visible = false;
gridDSChon.Visible = false;
}
else
{
lbDSChon.Visible = true;
lbTextTongTien.Visible = true;
lbTongTien.Visible = true;
lbDSSanpham.Visible = true;
grDSSanPham.Visible = true;
gridDSChon.Visible = true;
}
}
catch (Exception)
{
Response.Write("<script>alert('Loi tai du lieu!')</script>");
}
if (IsPostBack == false)//postback=false: chưa có sự kiện click trên web
{
// request: yeu cau. QueryString: lay gia tri cua chuoi tren duong dan
string makh = Request.QueryString["MaKH"].ToString();
DAO_Entity daoEntities = new DAO_Entity();
DTOKhachHang dtoKH = daoEntities.LayTTKHTheoMa(makh);
XuLy_TiepNhanDonHang control = new XuLy_TiepNhanDonHang();
control.LayttKH(makh);
lbMaKH.Text = dtoKH.MaKH.ToString();
txtTen.Text = dtoKH.TenKH;
txtNgayTaoDH.Text = DateTime.Now.ToShortDateString();
List <DTODonDatHang> dsdh = daoEntities.LayDSDHTheoMa(makh);
GridViewDH.DataSource = dsdh;
GridViewDH.DataBind();
grDSSanPham.DataSource = daoEntities.TaoDSSP();
grDSSanPham.DataBind();
}
}