link button and button

[arshesander]

           //Link button
            LinkButton lnk = new LinkButton();
            lnk.Text = " Click Me";

            //button
            Button btn = new Button();
            btn.Text = "Click Me";

i try put the code above to create new Link button and button but problem now is how can put the code; Response.Redirect? and how can I set the Session["ID"]?