EntityKey and ApplyPropertyChanges()

Question

I need to set an EntityObject\'s EntityKey. I know its type and its id value. I don\'t want to query the database unnecessarily.

This works...

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Answer 1

I had the same problem, while it was working on other pages. I dont know if this comment will be useful... But I finally discovered, that in my objet (the equivalent of your Departement), my "Id" was not appearing in the form...

Just the fact to add it (while I had removed it...) on my form has resolved my problem. (with the style="visibility:hidden", in order not to see him...)