When using: Value = "(null)" Text = "(no user)" as item in the ListBox, the filter must work correctly, and after opening the menu the item should be checked if previously filtered. Additionally if the item have NULL value instead of "(null)" The visible value must be localized.
Hi,
This report has been open for 8+ years without any votes or additional feedback, suggesting it’s no longer relevant. We’re focusing on issues that provide the most value to our users. If this is still a concern, feel free to submit a new report with updated details.
Regards,
Rumen
Progress Telerik