![I'm trying to to filter a collection with a search bar, but when I type anything into the search bar the entire collectionview disappears as you can see in the before and I'm trying to to filter a collection with a search bar, but when I type anything into the search bar the entire collectionview disappears as you can see in the before and](https://preview.redd.it/wf409h3xq3l61.jpg?width=640&crop=smart&auto=webp&s=6cb2a9c1e4c211f180f8373760cbf525fc8e6fce)
I'm trying to to filter a collection with a search bar, but when I type anything into the search bar the entire collectionview disappears as you can see in the before and
![Filter, Sort, and Group Data in Collection View for .NET MAUI | .NET Multi-platform App UI | DevExpress Documentation Filter, Sort, and Group Data in Collection View for .NET MAUI | .NET Multi-platform App UI | DevExpress Documentation](https://docs.devexpress.com/MAUI/images/collection-view/collection-view-filter-string.png)
Filter, Sort, and Group Data in Collection View for .NET MAUI | .NET Multi-platform App UI | DevExpress Documentation
GitHub - SyncfusionExamples/How-to-apply-filters-in-wpf-treeview-using- collectionview-type-sources: This example describes how to apply filters in wpf treeview using collectionview type sources.
![Filter, Sort, and Group Data in Collection View for .NET MAUI | .NET Multi-platform App UI | DevExpress Documentation Filter, Sort, and Group Data in Collection View for .NET MAUI | .NET Multi-platform App UI | DevExpress Documentation](https://docs.devexpress.com/MAUI/images/collection-view/collection-view-group-info.png)