Cookies

You get get client cookies on the server-side. Not all clients can set cookies, but the JavaScript client (obviously) and the C# client can set cookies that will be accessible on the server.

Get a Cookie

We just check if there is a cookie with the key foo. if so we extract the cookie with the GetCookie method

if (this.HasCookieKey("foo"))
{
    var cookieValue = this.GetCookie("foo");
}