0
我試圖將一個下拉列表的選定值存儲在與此代碼完美協作的Cookie中。寫入Cookie並將Cookie值設置爲文本框選擇Vlaue
protected void state_DropDownList_SelectedIndexChanged(object sender, EventArgs e)
{
HttpCookie StudentCookies = new HttpCookie("userloaction_cookies");
StudentCookies.Value = state_DropDownList.SelectedValue;
StudentCookies.Expires = DateTime.Now.AddDays(1000);
Response.Cookies.Add(StudentCookies);
}
然後我想使用cookie值爲page_load之後的下拉列表設置選擇值。它可以工作,但在第一個值存儲在cookie中後,我無法更改下拉值。
protected void Page_Load(object sender, EventArgs e)
{
if (Request.Cookies["userloaction_cookies"] != null)
{
HttpCookie aCookie = Request.Cookies["userloaction_cookies"];
string cookiesvalue = Server.HtmlEncode(aCookie.Value);
state_DropDownList.SelectedValue = Server.HtmlEncode(aCookie.Value);
}
我認爲問題是Page_load方法在state_DropDownList_SelectedIndexChanged方法之前觸發。
是否有任何可能的方式使這項工作?