protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Session["LoaiPhong"] = xl.LoaiPhong();
if (Session["LoaiPhong"] != null)
{
ddlLoaiPhong.DataSource = (DataTable)Session["LoaiPhong"];
ddlLoaiPhong.DataValueField = "MaLoai";
ddlLoaiPhong.DataTextField = "TenLoai";
ddlLoaiPhong.DataBind();
}
LoadAll(xl.CheckPhongTrong());
}
}