public ActionResult DeleteQuery(int id)
        {
            int no = -1;

            var uq = new VAdvantage.Model.MUserQuery(Session["ctx"] as VAdvantage.Utility.Ctx, id, null);

            if (uq != null)
            {
                // get name of the query
                string name = uq.GetName();
                // delete query
                if (uq.Delete(true))
                {
                    no = 1;
                }
            }
            return(Json(no));
        }