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<td>
      &nbsp;&nbsp;&nbsp;&nbsp;
        <asp:DropDownList ID="time" runat="server">
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           <asp:ListItem Value="14">Á½ÖÜ</asp:ListItem>
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protected void Login_Click(object sender, EventArgs e)
    {
        //´´½¨Ò»¸öеÄCookie
        HttpCookie newCookie = new HttpCookie("User");
        //ÍùCookieÀïÃæÌí¼ÓÖµ£¬¾ùΪ¼ü/Öµ¶Ô¡£Cookie¿ÉÒÔ¸ù¾Ý¹Ø¼ü×ÖѰÕÒµ½ÏàÓ¦µÄÖµ
        newCookie.Values.Add("Name",nameID.Text.Trim());
        newCookie.Values.Add("Pwd",pwdID.Text.Trim());
        
       //ÉèÖÃSessionµÄÖµ
        Session["Name"] = nameID.Text.Trim();
        Session["Pwd"] = pwdID.Text.Trim();
        if (time.SelectedValue == "14")
        {
            newCookie.Expires = DateTime.Now.AddDays(14);


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