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Question by Chris Ruderschmidt, Aug 13, 2015 3:56 PM

FacetOn/GetFacets not returning Facet Categories

Is there any documentation or examples on how to correctly use the FacetOn/GetFacets functions dynamically? Here is my current code, however when using “GetFacets()” no categories are returned.

 using (var context = ContentSearchManager.GetIndex(indexName).CreateSearchContext())
          var q = context.GetQueryable<SearchResultItem>();
          oCurrentFilters = q.Where(w => w["Technology"] == collectionItem.Name).Take(1000);

           //PartsProperties is the list of applicable facets
          foreach(PartProperties property in oSearchByParameter.PartsProperties) 
               oCurrentFilters.FacetOn(f=> f[property.PartPropertyName]);

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Answer by Sébastien Belzile, Aug 14, 2015 9:58 AM

I did not try your dynamic code, but here is an interesting article: that may help you.

In the section "Always Return Your Expression", it says that you should try:

oCurrentFilters = oCurrentFilters.FacetOn(f=> f[property.PartPropertyName]);

Does that make it work?

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Comment by Chris Ruderschmidt, Aug 14, 2015 5:15 PM

That was it! Thanks!

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