RadzenDropDown with filtering enabled only fires LoadData on initial load #1033

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opened 2026-01-29 17:48:05 +00:00 by claunia · 0 comments
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Originally created by @lassanter on GitHub (Nov 14, 2023).

Describe the bug
A clear and concise description of what the bug is.

As of v4.19.0, RadzenDropDown no longer fires LoadData while typing into the filter search bar.

To Reproduce
Steps to reproduce the behavior:

Run the project, below, with v4.18.1 and it works as expected.
Run the project with v4.19.0 or higher, and the issue described is evident.

https://github.com/lassanter/PossibleRegression

Expected behavior
When typing into the search bar of the RadzenDropDown, the LoadData event is fired regularly to update filtered contents.

Desktop (please complete the following information):

  • OS: Windows 10
  • Browser Firefox
  • Version 119.0.1
Originally created by @lassanter on GitHub (Nov 14, 2023). <!-- IMPORTANT: Read this first!!! 1. If you own a Radzen Professional or Еnterprise subscription you can report your issue or ask us a question via email at info@radzen.com. Radzen staff will reply within 24 hours (Professional) or 16 hours (Enterprise) 2. The Radzen staff guarantees a response to issues in this repo only to paid subscribers. 3. If you have a HOW TO question start a new forum thread in the Radzen Community forum: https://forum.radzen.com. Radzen staff will close issues that are HOWTO questions. 4. Please adhere to the issue template. Specify all the steps required to reproduce the issue or link a project which reproduces it easily (without requiring extra steps such as restoring a database). --> **Describe the bug** A clear and concise description of what the bug is. As of v4.19.0, RadzenDropDown no longer fires LoadData while typing into the filter search bar. **To Reproduce** Steps to reproduce the behavior: Run the project, below, with v4.18.1 and it works as expected. Run the project with v4.19.0 or higher, and the issue described is evident. https://github.com/lassanter/PossibleRegression **Expected behavior** When typing into the search bar of the RadzenDropDown, the LoadData event is fired regularly to update filtered contents. **Desktop (please complete the following information):** - OS: Windows 10 - Browser Firefox - Version 119.0.1
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Reference: starred/radzen-blazor#1033