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<td>
<asp:DropDownList ID="time" runat="server">
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</asp:DropDownList>
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protected void Login_Click(object sender, EventArgs e)
{
//´´½¨Ò»¸öеÄCookie
HttpCookie newCookie = new HttpCookie("User");
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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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