Do I need to import System.web.UI, to access Session in C# class Library?
<p>I Need use Session in C# class Library. For that I need to import Using System.Web.UI. My partial code is</p>

<pre><code>using System.IO;
using System.Globalization;
using System.Web


    namespace sundss_framework
    {
        public class package
        {

           Session["Sesval"]="12121";
        }
    }
</code></pre>
