protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            //ProvinceService pvDal = new ProvinceService();

            IList <ExpressInfo> list = CacheCollection.GetAllExpressInfo(); //esDal.GetAllExpressInfo("");
            ddl_Express.DataSource     = list;
            ddl_Express.DataTextField  = "ExpressName";
            ddl_Express.DataValueField = "ExpressId";
            ddl_Express.DataBind();

            IList <ProvinceInfo> plist = CacheCollection.GetAllProvinceInfo(); //pvDal.GetAllProvince();
            ddl_Pr.DataSource     = plist;
            ddl_Pr.DataTextField  = "ProvinceName";
            ddl_Pr.DataValueField = "ID";
            ddl_Pr.DataBind();

            Bind();
        }
    }
 protected string GetExpress(string eid)
 {
     return(CacheCollection.GetAllExpressInfo().Where(o => o.ExpressId.ToString() == eid).ToList()[0].ExpressName);
 }