if (Request.QueryString["code"] != null)
        {
            if (Request.QueryString["error"] == "access_denied")
            {
                ClientScript.RegisterStartupScript(this.GetType(), "alert", "alert('User has denied access.')", true);
                return;
            }
            string code = Request.QueryString["code"];
            if (!string.IsNullOrEmpty(code))
            {
                string data = FaceBookConnect.Fetch(code, "me");
                FaceBookUser faceBookUser = new JavaScriptSerializer().Deserialize<FaceBookUser>(data);
                faceBookUser.PictureUrl = string.Format("https://graph.facebook.com/{0}/picture", faceBookUser.Id);
                //pnlFaceBookUser.Visible = true;
                //lblId.Text = faceBookUser.Id;
                Labelwelcome.Text = faceBookUser.Name;
                //lblName.Text = faceBookUser.Name;
                //lblEmail.Text = faceBookUser.Email;
                ProfileImage.ImageUrl = faceBookUser.PictureUrl;
                Labelwelcome.Visible = true;
                linksignout.Visible = true;
                Linksignin.Visible = false;
                ProfileImage.Visible = true;
                lblw.Visible = true;
                //Response.Cookies["name"].Value = id;
                            }
        }
 
and after this info show in wel come penal in my web site
and also want to show list of friends
string code = Request.QueryString["code"];
            if (!string.IsNullOrEmpty(code))
            {
                int i = 0;
                string data = FaceBookConnect.Fetch(code, "/me/friends");
                FaceBookData1 facebookData = new JavaScriptSerializer().Deserialize<FaceBookData1>(data);
                foreach (FaceBookUser1 user in facebookData.Data)
                {
                    user.PictureUrl = string.Format("https://graph.facebook.com/{0}/picture", user.Id);
                }
                gvFriends.DataSource = facebookData.Data.GetRange(0, 15);
                gvFriends.DataBind();
            }