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I'm using a KeywordQuery within a custom Webpart on a SP2010 farm to aggregate the latest "documents" from the site collection the webpart is running at ("document" = every item stored in a document library except the folders).

Within the QueryString I limit the results to contentclass:STS_ListItem_DocumentLibrary, but folders are still present in the search results.

I’ve tried using IsDocument:1 but then the results are too limited, because there are some file types not registered in the Search Service Application file type pool, e.g. "RTF", "RAR", "PNG", ...

Do I really have to register every file type within the SSA to expand IsDocument or are there other ways to exclude the folders from the results?

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  • have you provide RowLimit of your keyword query to extend search result ?
    – Hitesh Chandegara
    Commented Dec 19, 2013 at 13:54
  • I'm not sure if I understand you correctly: I've set RowLimit to 10 as I only want to receive a fixed number of results, e.g. "the ten latest (last modified) items from all document libraries". So it's more of a filter as an expand of the result.
    – jcp
    Commented Dec 19, 2013 at 14:10
  • plz visit answer section of this post sharepoint.stackexchange.com/questions/60676/…
    – Hitesh Chandegara
    Commented Dec 19, 2013 at 14:16
  • I'm sorry, but I don't get you. Maybe I should have been more precisely: I know how to use KeywordQuery and KQL in C# code and I want to reuse the webpart on multiple sites. So a search scope as described in that other post won't fit my needs to exclude folders from the search result, would it?
    – jcp
    Commented Dec 19, 2013 at 14:31

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To exclude the Folders try adding "Size>0" to your query and see if that helps.

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