Data Filtering

• Mar 03, 2026
• 2 minutes to read

Multiple application scenarios require filtering List Views. For instance, an application’s Security System may prohibit the display of an entire collection in a List View. You may also need to filter a report’s data source when using the Reports Module. The XAF supplies various approaches for filtering. Use this topic to identify the scenario and choose a corresponding solution.

Basics

To learn how to build filter criteria, refer to the following topics:

• Ways to Build Criteria
• Function Criteria Operators
• Custom Function Criteria Operators
• Object Parameters

List Views

A List View can be filtered using the following techniques:

• Criteria Property of a List View’s Collection Source
• Criteria Property in the Application Model
• Filters Application Model Node
• ListViewFilter Attribute
• FullTextSearch Action
• Filter Data at Grid Control Level

List Views in Lookup Property Editors

List Views in Lookup Property Editors can be filtered using the following techniques:

• Adjust Data Sources for Reference and Collection Properties
• Criteria Property of a List View’s Collection Source
• Criteria Property in the Application Model
• How to: Add a Search Action to Lookup Property Editors and Link Pop-up Windows
• Current Object Parameter
• Filter Data at Grid Control Level

List Views in the Link Action’s Pop-up Windows

List Views in the pop-up windows invoked when using the Link Action (see LinkUnlinkController.LinkAction) can be filtered using the following techniques:

• Adjust Data Sources for Reference and Collection Properties
• Criteria Property of a List View’s Collection Source
• Criteria Property in the Application Model
• How to: Add a Search Action to Lookup Property Editors and Link Pop-up Windows
• Filter Data at Grid Control Level

Data Filtering in Reports

• Data Filtering in Reports