How to convert class object into Generic List

Question

hi guys how r u all?
hope u all r fine.

please guide me about this. i m trying to implicitly cast class object into Generic list but i m unable to do this.

i was trying this code 

        Class1 c1 = (Class1)Session["user"];

        List<object> ol = ((List<object>)c1.ToString());

        foreach (object o in ol)

        {

            Response.Write(o + "<br>");

        }

please give me solution about this.. as soon as possible

Thanks.