protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { //this.TXT_USERCODE.Focus(); Session["UserInfo"] = null; SessionHelper.Clear(); Server.MapPath("~"); Response.Cookies.Add(new HttpCookie("CheckCode", "")); Cookie = Request.Cookies["UserInfo"]; if (Cookie != null) { TXT_USERCODE.Text = Cookie.Values["userName"]; TXT_PASSWORD.Attributes.Add("value", CookieHelper.DecryptQueryString(Cookie.Values["Pwd"].ToString())); } } }