How to create a wishlist uisng C# in ASP.NET with cookies

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Hello, i was assigned from work to create a wishlist in c# using cookies but i cant figure out what to do.
I need a user pressing a button (Heart Shape) to add a product in his wish list.
Can anyone help me.
Keep in mind i am new to C# in asp.net.

What I have tried:

This is my code until now

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class Admin_WishListAdd : System.Web.UI.Page
{
    //DataClassesDataContext db = new DataClassesDataContext();

    Product prod = new Product();

    string p_id, p_btitle, p_img, p_desel, p_desen;

    protected void WishAdd(object sender, EventArgs e)
    {

   
        p_id = prod.ProductID.ToString();
        p_btitle = prod.ModelNameEl;
        p_img = prod.ProductImage;
        p_desel = prod.DescriptionEl;
        p_desen = prod.DescriptionEn;

        HttpCookie WishCookies = new HttpCookie("WishCookies");
        WishCookies.Value = prod.ProductID.ToString();
        WishCookies.Expires = DateTime.Now.AddHours(2);
        Response.Cookies.Add(WishCookies);


    }

}

Posted 9-Feb-19 15:24pm

simple world

Updated 11-Feb-19 5:06am

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Maciej Los · Accepted Answer · 2019-02-11T05:07:00

It's quite simple. For
A) single value, use HttpCookie.Value Property (System.Web) | Microsoft Docs[^]
B) multiple values, use: HttpCookie.Values Property (System.Web) | Microsoft Docs[^]

HttpCookie WishCookie = new HttpCookie("WishList");
//A)
WishCookie.Value = "Whatever";
//B)
//WishCookie.Values["Val1"] = "1";
//WishCookie.Values["Val2"] = "2";
//WishCookie.Values["Val3"] = "3";
WishCookies.Expires = DateTime.Now.AddHours(2);
Response.Cookies.Add(WishCookie);

Good luck!