The parts of the CSOM for updating Taxonomy fields are really cumbersome. I mean, look at this code, nicely provided by Vadim Gremyshev (@vgrem). To set a value in a taxonomy field we have to assemble a text representation, and adding a “fake” lookup id. What is needed is a wrapper for handling Taxonomy fields. SPMeta2 and PnP don’t seem to have it yet. Another issue that I have struggled with today was the missing Microsoft.SharePoint.Client.Taxonomy.dll. If you see this error (set customErrors=“Off” in the Web.config), then you have update the reference in the Visual Studio project: Open Properties for the reference called: Microsoft.SharePoint.Client.Taxonomy and ensure that Copy To Local is set to True: For some reason, this reference added through “App for SharePoint Web Toolkit” nuget package adds a reference to an assembly from your computers GAC.

Det är enkelt att lägga till kolumnen företagsnyckelord. Skapa egen contenttype och lägg till fieldref.

<FieldRef ID="{23f27201-bee3-471e-b2e7-b64fd8b7ca38}"/>

Funkar utmärkt t.ex. om du ärver ContentTypen från Announcements. Lite svårare är det med Dokument. I själva verket läggs till fler kolumner för att det ska fungera. I Announcements finns de redan. Men i dokument måste du lägga till dem extra:

<!-- Enterprise Keywords-->
<FieldRef ID="{23f27201-bee3-471e-b2e7-b64fd8b7ca38}"/>
<!-- in order keywords to work, two additional fields have to be created-->
<!-- TaxKeywordTaxHTField  -->
<FieldRef ID="{1390a86a-23da-45f0-8efe-ef36edadfb39}"/>
<!-- TaxCatchAll -->
<FieldRef ID="{f3b0adf9-c1a2-4b02-920d-943fba4b3611}"/>

Utan TaxKeywordTaxHTField uppstår fel av typen: “Kan inte hämta värdet från kolumnen {00000000…}”.