public void bind_rating()
 {
     if (Session["User_Id"] != null)
     {
         bl.User_id = Session["User_Id"].ToString();
     }
     else
     {
         if (Request.Cookies["User_Id"] != null)
         {
             Session["User_Id"] = Request.Cookies["User_Id"].Value;
             bl.User_id         = Request.Cookies["User_Id"].Value;
         }
     }
     dt = dl.select_Insert_user_rating(bl);
     if (dt.table.Rows.Count > 0 && dt.table.Rows[0]["RatingCount"].ToString() != "0")
     {
         //Rating1.CurrentRating = Convert.ToInt32(dt.table.Rows[0]["AverageRating"]);
         //ViewState["Rating"] = Convert.ToInt32(dt.table.Rows[0]["AverageRating"]);
         //txt_Heading.Text = dt.table.Rows[0]["headline"].ToString();
         //txt_review.Text = dt.table.Rows[0]["review"].ToString();
         //  submit_review.Text = "Update Review";
         submit_review.Text   = "Submit";
         GridView2.DataSource = dt.table;
         GridView2.DataBind();
     }
     else
     {
         GridView2.DataSource = dt.table;
         GridView2.DataBind();
     }
     dtt = dl.select_user_rating();
     if (dtt.table.Rows.Count > 0)
     {
         lblRatingStatus.Text = string.Format("{0} Users have rated. Average Rating {1}", dtt.table.Rows[0]["RatingCount"], dtt.table.Rows[0]["AverageRating"]);
     }
 }