Save and retrieve values in Cookie (C#)
<%@ Page Language=“c#” %>
<script Language=“c#” runat=“server”>
void Page_Load(object source, EventArgs e)
{
if (!(IsPostBack))
{
MyButton.Text = “Save Cookie”;
MyDropDownList.Items.Add(“Blue”);
MyDropDownList.Items.Add(“Red”);
MyDropDownList.Items.Add(“Gray”);
}
}
public void Click(object sender, EventArgs e)
{
HttpCookie MyCookie = new HttpCookie(“Background”);
MyCookie.Value = MyDropDownList.SelectedItem.Text;
Response.Cookies.Add(MyCookie);
}
</script>
<html>
<body>
<form id=“CookieForm” method=“post” runat=“server”>
<asp:DropDownList id=MyDropDownList runat=“server”/>
<asp:button id=MyButton runat=“server” OnClick=“Click”/>
</form>
</body>
</html>
///////////////////////////////////////////////////
<%@ Page Language=“c#” %>
<script Language=“c#” runat=“server”>
void Page_Load(object source, EventArgs e)
{
Response.Cache.SetExpires(DateTime.Now);
}
string GetBackground()
{
return Request.Cookies[“Background”].Value;
}
</script>
<html>
<body bgcolor=“<% Response.Write(GetBackground()); %>”>
<asp:label id=“message” runat=“server” />
</body>
</html>