protected override void AddCustomQuery(string rel, QueryStringBuilder queryString)
        {
            if (ValueId != null)
            {
                queryString.AppendItem("valueId", ValueId.ToString());
            }

            if (Info != null)
            {
                queryString.AppendItem("info", Info.ToString());
            }


            OnAddCustomQuery(rel, queryString);

            base.AddCustomQuery(rel, queryString);
        }