Cookie maintain in ASP.NET

I want to record the single cookie for maintain the quantity of a product and all product. how i can do this in c#.

are their any way to do this wh开发者_如何学Goen i can check the existence of product in cookie. are someone have the code for it.

thanks

Creating a cookie:

HttpCookie cookie = new HttpCookie("name", "value");            
Request.Cookies.Add(cookie);

Getting the cookie value:

string cookie value = Response.Cookies["name"].Value;