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The DatePicker closed immediately after selecting a month or year from the drop-down lists when using PopupRenderMode.OnDemand #974

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opened 2026-01-29 17:47:10 +00:00 by claunia · 0 comments
claunia commented 2026-01-29 17:47:10 +00:00
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Originally created by @pholpar on GitHub (Sep 4, 2023).

Describe the bug
When using PopupRenderMode.Ondemand, the Datepicker Popup closed immediately after selecting a month or a year from the drop-down lists, and don't let the user to change the selected year / month or select a day in the calendar.

To Reproduce
Can be reproduced on the Datepicker Example on the Radzen homepage (but also locally):

  1. Go to https://blazor.radzen.com/datepicker
  2. Scroll down to "Get and Set the value of DatePicker".
  3. Switch to "Edit Source" in the Example Window.
  4. Replace the second line with <RadzenDatePicker @bind-Value=@value PopupRenderMode="@PopupRenderMode.OnDemand" />
  5. Click "Run".
  6. Click the Datepicker Icon. -> Datepicker Popup opens
  7. Select a month from the month drop-down list OR select a year from the years drop-down list

Expected behavior
The Datepicker Popup remains opened, and the user can select another month / year from the drop-down lists, can navigate forth and back in the calendar or select a day directly in the calendar view. The Datepicker Popup closed only after a user explicitly select a day in the calendar or click outside the Datepicker Popup. That means: the same behavior that we have without setting PopupRenderMode="@PopupRenderMode.OnDemand".

Observed behavior
The Datepicker Popup closed immediately after selecting a month or a year from the drop-down lists, only a slight shadow is rendered.

Screenshots
Similar to the Screenshot at Issue #1025: DatePicker doesnt render correctly when using Value and Change event and PopupRenderMode.OnDemand · Issue #1025 · radzenhq/radzen-blazor · GitHub

Desktop (please complete the following information):

  • OS: Windows 10
  • Browser: Chrome / Edge
  • Radzen Version: 4.13.4
Originally created by @pholpar on GitHub (Sep 4, 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** When using _PopupRenderMode.Ondemand_, the Datepicker Popup closed immediately after selecting a month or a year from the drop-down lists, and don't let the user to change the selected year / month or select a day in the calendar. **To Reproduce** Can be reproduced on the Datepicker Example on the Radzen homepage (but also locally): 1. Go to https://blazor.radzen.com/datepicker 2. Scroll down to "_Get and Set the value of DatePicker_". 3. Switch to "_Edit Source_" in the Example Window. 4. Replace the second line with `<RadzenDatePicker @bind-Value=@value PopupRenderMode="@PopupRenderMode.OnDemand" />` 5. Click "`Run`". 6. Click the Datepicker Icon. -> Datepicker Popup opens 7. Select a month from the month drop-down list OR select a year from the years drop-down list **Expected behavior** The Datepicker Popup remains opened, and the user can select another month / year from the drop-down lists, can navigate forth and back in the calendar or select a day directly in the calendar view. The Datepicker Popup closed only after a user explicitly select a day in the calendar or click outside the Datepicker Popup. That means: the same behavior that we have without setting `PopupRenderMode="@PopupRenderMode.OnDemand"`. **Observed behavior** The Datepicker Popup closed immediately after selecting a month or a year from the drop-down lists, only a slight shadow is rendered. **Screenshots** Similar to the Screenshot at Issue #1025: [DatePicker doesnt render correctly when using Value and Change event and PopupRenderMode.OnDemand · Issue #1025 · radzenhq/radzen-blazor · GitHub](https://github.com/radzenhq/radzen-blazor/issues/1025) **Desktop (please complete the following information):** - OS: Windows 10 - Browser: Chrome / Edge - Radzen Version: 4.13.4
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Reference: starred/radzen-blazor#974
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