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Microsoft SQL Server 2005 -- 错误 29503。SQL Server 服务无法启动 模拟鼠标移动和左键单击 .C# 获取另一程序控件,改变值,触发事件 - flyfish - 博客园 在ASP程序中调用Web Service 转 跨域读取Cookie和session之HttpWebRequest另类方法(网站API开发) ASP.NET WAP开发 用ASP.NET创建移动Web窗体[转] ASP.NET 2.0移动开发入门之使用模拟器 [WAP]dotNet在WAP应用开发中实现按指定页数翻页的解决方案 SQL Server 自增字段归零等问题 ntext replace sql SQLServer2005数据库还原到SQLServer2000 如何去除Google搜索结果病毒提示 Tomcat 6 连接 MS SQL 2005 Windows 2003远程桌面连接数限制 如何用SQL命令修改字段名称 FCKeditor详细的设置 log4net 配置与应用 两个sql server 2000的通用分页存储过程
ASPNET2.0中读写Cookie的方法! - flyfish - 博客园
flyfish · 2009-07-14 · via 博客园 - flyfish

Cookie (HttpCookie的实例)提供了一种在 Web 应用程序中存储用户特定信息的方法。例如,当用户访问您的站点时,您可以使用 Cookie 存储用户首选项或其他信息。当该用户再次访问您的网站时,应用程序便可以检索以前存储的信息。


创建Cookie方法 (1)
Response.Cookies["userName"].Value = “admin";
Response.Cookies[“userName”].Expires = DateTime.Now.AddDays(1);
//如果不设置失效时间,Cookie信息不会写到用户硬盘,浏览器关闭将会丢弃。


创建Cookie方法 (2)
HttpCookie aCookie = new HttpCookie(“lastVisit”); //上一次访问时间
aCookie.Value = DateTime.Now.ToString();
aCookie.Expires = DateTime.Now.AddDays(1);
Response.Cookies.Add(aCookie);


访问Cookie方法(1)
if(Request.Cookies["userName"] != null)
Label1.Text = Server.HtmlEncode(Request.Cookies["userName"].Value);访问Cookie方法(2)
if(Request.Cookies["userName"] != null)
{
HttpCookie aCookie = Request.Cookies["userName"];
Label1.Text = Server.HtmlEncode(aCookie.Value);
}


创建多值Cookie方法 (1)
Response.Cookies["userInfo"]["userName"] = “admin";
Response.Cookies["userInfo"]["lastVisit"] = DateTime.Now.ToString();
Response.Cookies["userInfo"].Expires = DateTime.Now.AddDays(1);


创建多值Cookie方法 (2)
HttpCookie aCookie = new HttpCookie("userInfo");
aCookie.Values["userName"] = “admin";
aCookie.Values["lastVisit"] = DateTime.Now.ToString();
aCookie.Expires = DateTime.Now.AddDays(1);
Response.Cookies.Add(aCookie);


读取多值Cookie


HttpCookie aCookie = Request.Cookies["userInfo"];
string userName=aCookie.Values[“userName”];
string lastVisit=aCookie.Values[“lastVisit”];


修改和删除Cookie

不能直接修改或删除Cookie,只能创建一个新的Cookie,发送到客户端以实现修改或删除Cookie.


文章出处:http://www.diybl.com/course/4_webprogram/asp.net/asp_netshl/2008430/112167.html