必须设置同一个域
写Cookie的代码
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HttpCookie userEmailCookie = new HttpCookie("GCEmail");
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userEmailCookie.Value = email.ToString();
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//userEmailCookie.Expires = DateTime.Now.AddYears(1); //浏览器关闭,cookie自动过期
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userEmailCookie.Domain = domain;
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HttpContext.Current.Response.Cookies.Add(userEmailCookie);
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HttpCookie userIdCookie = new HttpCookie("GCUserID");
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userIdCookie.Value = userId.ToString();
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userIdCookie.Expires = DateTime.Now.AddYears(1);
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userIdCookie.Domain = domain;
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HttpContext.Current.Response.Cookies.Add(userIdCookie);
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HttpCookie lastLoginTime = new HttpCookie("LastLoginTime");
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lastLoginTime.Value = DateTime.Now.ToString();
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//lastLoginTime.Expires = DateTime.Now.AddYears(1);
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lastLoginTime.Domain = domain;
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HttpContext.Current.Response.Cookies.Add(lastLoginTime);
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HttpCookie userRemark = new HttpCookie("GCRemark");
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userRemark.Value = userRemarkInfo;
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//userRemark.Expires = DateTime.Now.AddYears(1);
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userRemark.Domain = domain;
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HttpContext.Current.Response.Cookies.Add(userRemark);
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这里设置的域是有意义的,比如 你的域名为www.111.com
你的asp程序和asp.net程序都放在上面
那么,你那个设置域的地方都写 www.111.com 即可