PREREQUISITES: To be able to filter a widget by a taxonomy, drop the Categories widget on the page and assign some items to some categories.
If your controller has an action named ListByTaxon with first parameter Telerik.Sitefinity.Taxonomies.Model.ITaxon then Sitefinity CMS invokes this action, if a category or a tag matches the URL segment after the page URL.
You can optionally have a second parameter of type int? that you can use for paging.
Sitefinity CMS first tries to match a category, then it falls back to tags. When an item matches, the action is invoked with the matching taxon.
The following sample implementation of the controller filters NewsItems:
Use the following code:
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