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void CookiesSet()
{
if (Request.QueryString["from"] != null)
{
try
{
Convert.ToInt32(Request.QueryString["from"].ToString());
}
catch
{
return;
}
string userID = Request.QueryString["from"].ToString();
HttpCookie cookie = new HttpCookie("fromID");
cookie.Value = userID;
DateTime d = DateTime.Now;
d.AddDays(180);
cookie.Expires = d;
Response.Cookies.Add(cookie);
//这段代码在这里有效,但是改个页面,则失效,是怎么回事?
//if (Request.Cookies["fromID"] != null)
//{
// Response.Write(Request.Cookies["fromID"].Value);
//}
}