CSDN登陆解决方案

CSDN登陆
想做一个仿Csdn的登陆，主要是实现2周内不用再登陆，在注册页中代码为
  string name = this.UserName.Text;
  string pwd = this.PassWord.Text;
  People p=new People();
  p.Name=name;
  p.Pwd=pwd;
  SqlConnection con=new SqlConnection("server=.database=People;uid=sa");
  SqlCommand cmd=new SqlCommand("select count(*) from login where name='"+p.Name+"'and pwd='"+p.Pwd+"'",con);
  if(Convert.ToInt32 (cmd.ExecuteScalar())>0)
  {
  HttpCookie cookie_name = new HttpCookie("login","true");
  cookie_name.Expires=DateTime.Now.AddDays(20);
  Response.Cookies.Add(cookie_name);
   
  } 
请问在主页Page_Load中应该怎样判断，我用Request.Cookies("login")点不出来value,郁闷中~~请高手指点一下，谢谢

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C# code

HttpCookie myCookie = Request.Cookies["Login"];if (myCookie != null){      //查询数据库判断myCookie的值是否正确              }