I'm building a template and I want to limit the items the authors can select on a TreeListEx field. I know this can be done specifying the datasource as posted here

Like setting the value on the Source field:


This is fine, although you are hard coding a path which might not be desired if the ability to move items is desidered.

What if I'm setting an ID on the source field like shown here? How can I limit the selection?

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  • I might be missing something, but is there a reason why you can't use the StartSearchLocation syntax and apply a filter on top of that? That way you would still be able to specify the ID of where to look, then apply the additional filtering? – Søren Engel Oct 27 '16 at 13:19
  • As far as I know StartSearchLocation is used for these types: Multilist with Search Treelist with Search Query Builder Query Datasource TreeListEX I don't think there is that option – Diego Oct 27 '16 at 13:22
  • Right, my mistake. – Søren Engel Oct 27 '16 at 13:24

You can use the ID instead of the path in your initial source:

  • Hum I tried using the ID and changing the name for the template name on the ExcludeTemplatesForSelection but still I can add the value. I tried to set the template with it's id as well but still I can select it like this: DataSource={F1AF7A72-C46A-4FC2-BF3B-7325A4DDB0CE}&ExcludeTemplatesForSelection={19BEA9FA-08C7-4D8F-B1B8-08CA5D288B87} – Diego Oct 27 '16 at 13:29
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    You can use the ID in the datasource, but not on the ExcludeTemplates.. – Gatogordo Oct 27 '16 at 13:31
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    thanks Gatogordo. that's useful. IT worked like this: DataSource={F1AF7A72-C46A-4FC2-BF3B-7325A4DDB0CE}&ExcludeTemplatesForSelection=MyTemplateName – Diego Oct 27 '16 at 13:44

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