protected void btnSubmit_Click(object sender, EventArgs e)
        {
            HttpCookie testCookie = new HttpCookie("TestCookie");
            testCookie.Path = "/";
            testCookie.Expires = Convert.ToDateTime("March 14 2000");
            testCookie.Value = "Nikhil Agarwal";
            Response.SetCookie(testCookie);

            HttpCookie testCookieValue = new HttpCookie("TestCookie");
            if (testCookieValue != null)
            {
                Response.Write(testCookieValue.Value.ToString());

            }
        }