为什么我的Cookie不能稳定?
atliu 2003-08-26 09:29:21 我在Page_Load事件里写:
if(Response.Cookies ["UserName"]!=null)
{
lblLastVisit.Text =Request.Cookies ["UserName"].Value.ToString ()+
"您最后一次访问是在:" + Request.Cookies ["LastVisit"].Value.ToString ();
}
在btnLogin_Click事件中写:
Response.Cookies["UserName"].Value ="Name";
Response.Cookies ["UserName"].Expires =DateTime.Now.AddDays (2);
Response.Cookies ["LastVisit"].Value =DateTime.Now.ToShortDateString ();
Response.Cookies ["LastVisit"].Expires =DateTime.Now.AddDays(2);
lblLastVisit.Text =Request.Cookies ["UserName"].Value.ToString ()+"您最后一次访问是在:" + Request.Cookies ["LastVisit"].Value.ToString ();
但编译时会报“ 未将对象引用设置到对象的实例”。
是我哪里写错了?
还有Response.Cookies 与 Request.Cookies 之间有什么区别?