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我想要完成的是创建一个cookie,以便在您单击保存按钮后,离开页面,然后返回到页面,cookie的值应显示在页面顶部的标签欢迎用户回到页面。 这是我正在使用的代码。Cookie不显示在第二页加载
<%@ page language="C#" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>
<script language="C#" runat="server">
String welcomeBackName;
void Page_Load(Object sender, System.EventArgs e)
{
if (Page.IsPostBack==true)
{
HttpCookie RUcookie = new HttpCookie("RUcookie");
lblMessage.Text = txtfirstname.Text.Substring(0,1).ToLower() + txtlastname.Text.ToLower() + "@radford.edu";
RUcookie.Value = "Welcome " +txtfirstname.Text +" "+ txtlastname.Text;
RUcookie.Expires = DateTime.Now.AddHours(1);
Response.Cookies.Add(RUcookie);
if(RUcookie != null)
{
welcomeBackName = Request.Cookies["RUcookie"].Value;
welcomeBack.Text = welcomeBackName;
}
}
}
</script>
<html>
<form id=form1 runat="server">
<br>
<ASP:Label id="welcomeBack" Text="" size="60" runat="server"/>
<br>
<br>
<br>
First Name: <asp:TextBox id="txtfirstname" size="20" runat="server"/><br>
<br>
Last Name : <asp:TextBox id="txtlastname" size="20" runat="server"/><br>
<br>
<ASP:Button id="butSave" Text="Save" Autopostback=true runat="server"/>
<br>
<br>
Email: <asp:Label id="lblMessage" size="80" forecolor=Blue runat="server"/><br>
</form>
</html>
非常感谢你@mason我不能相信我错过了,如果陈述是在postBack声明。 – EPKasper