A site I'm working on has a very long lookup list. SharePoint 2010, by standard, only allows a dropdown for this, and that's just insane when you have thousands of items to choose from. So I found the iLove SharePoint Lookup Field with Picker 2010 which allows the user to use something similar to the people picker, but with lookup entries. Extremely useful and works perfectly, except...
The site uses Word templates, and the templates use SharePoint properties. I'm getting some strange behaviour when using the Lookup Field with Picker: namely it's not possible to change the lookup value from Word. I only get a single option - "1" - and two blank options. When selecting the blank option, the "1" option vanishes from the document properties.
I'm now trying to find a way to display a dialog when the document is first created in SharePoint that forces the user to pick a selection from the lookup, and then not allow that selection to change.
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