public RenderHelper(SearchParameters ffParameters, Search searchAdapter)
 {
     SearchAdapter = searchAdapter;
     FFParameters = ffParameters;
 }
 protected SearchParameters CreateSearchParameters()
 {
     SearchParameters searchParameters;
     if (BreadCrumbTrail.Count > 0)
     {
         Uri url = BreadCrumbTrail.Last().Url;
         searchParameters = new SearchParameters(url.ToString().ToParameters());
     }
     else
     {
         searchParameters = new SearchParameters(new NameValueCollection());
     }
     return searchParameters;
 }