ListBox Registers 2 Keys on Focus #1775

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opened 2026-01-29 17:58:24 +00:00 by claunia · 0 comments
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Originally created by @derekwelton on GitHub (May 29, 2025).

Describe the bug
When you focus on the Listbox and filtering is enabled, any key you press, it will input that character twice. If you focus into the textbox itself, it does not do this. This is show on the examples on the Radzen website.

To Reproduce
Steps to reproduce the behavior:

  1. Go to https://blazor.radzen.com/listbox?theme=material3
  2. Find "Filtering case sensitivity and filter operator"
  3. Click into the example, not on the listbox
  4. Tab to have focus on the listbox
  5. press a character

Screenshots

Image

Originally created by @derekwelton on GitHub (May 29, 2025). **Describe the bug** When you focus on the Listbox and filtering is enabled, any key you press, it will input that character twice. If you focus into the textbox itself, it does not do this. This is show on the examples on the Radzen website. **To Reproduce** Steps to reproduce the behavior: 1. Go to [https://blazor.radzen.com/listbox?theme=material3](link) 2. Find "Filtering case sensitivity and filter operator" 3. Click into the example, not on the listbox 4. Tab to have focus on the listbox 5. press a character **Screenshots** ![Image](https://github.com/user-attachments/assets/2803ce33-4eba-4641-8325-908bbfd8748b)
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Reference: starred/radzen-blazor#1775