ASP.Net/Network/HttpCookie
HttpCookie("LoggedIn")
<%@ Page Language="vb" %>
<html>
<head>
<title>Setting a Cookie in ASP.NET</title>
<script runat="server">
Sub Page_Load()
Dim myCookie As New HttpCookie("LoggedIn")
myCookie.Value = "True"
myCookie.Expires = DateTime.Now.AddMinutes(30)
Response.Cookies.Add(myCookie)
End Sub
</script>
</head>
<body>
<asp:label id="Message" runat="server"/>
</body>
</html>