ASP.NET页面传值_第六篇_Cookie

+++ Cookie01.aspx页面
++ 页面代码如下：
<asp:TextBox ID="TextBox1" runat="server" ForeColor="Red" Width="182px">Name</asp:TextBox>
<asp:Button ID="BtnCookie" runat="server" OnClick="BtnCookie_Click" Text="BtnCookie" /><br />
++ 后台代码如下：
protected void BtnCookie_Click(object sender, EventArgs e)
{
  Response.Cookies["Name"].Value = TextBox1.Text;
  Response.Cookies["Name"].Expires = DateTime.Now.AddDays(1);
  HttpCookie aCookie = new HttpCookie("lastVisit");
  aCookie.Value = DateTime.Now.ToString();
  aCookie.Expires = DateTime.Now.AddDays(1);
  Response.Cookies.Add(aCookie);
  Response.Redirect("Cookie02.aspx");
}
+++ Cookie02.aspx页面
++ 页面代码如下:
(略)
++ 后台代码如下：
protected void Page_Load(object sender, EventArgs e)
{
    #region 读取Cookie
    if (Request.Cookies["Name"] != null)
    {
        Response.Write(Server.HtmlEncode(Request.Cookies["Name"].ToString()) + "</br>");
    }
    if (Request.Cookies["lastVisit"] != null)
    {
        HttpCookie aCookie = Request.Cookies["lastVisit"];
        Response.Write(Server.HtmlEncode(aCookie.Value) + "</br>");
    }
    #endregion
    Response.Write("</br>");
    #region 删除Cookie
    HttpCookie dCookie;
    string cookieName;
    int limit = Request.Cookies.Count;
    for (int i = 0; i < limit; i++)
    {
        cookieName = Request.Cookies[i].Name;
        dCookie = new HttpCookie(cookieName);
        dCookie.Expires = DateTime.Now.AddDays(-1);
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