# \#bootstrap4

**URL:** https://forum.dotvvm.com/tag/bootstrap4/6.md

[Latest](https://forum.dotvvm.com/latest.md) · [Categories](https://forum.dotvvm.com/categories.md) · [Tags](https://forum.dotvvm.com/tags.md)

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## [RadioButton/CheckBox + IncludeInPage bug in DotVVM.Controls.Bootstrap4 5.0.0](https://forum.dotvvm.com/t/radiobutton-checkbox-includeinpage-bug-in-dotvvm-controls-bootstrap4-5-0-0/373)

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**Author:** [@benj989](https://forum.dotvvm.com/u/benj989)\
**Replies:** 2\
**Last updated:** [September 7, 2026, 7:28am UTC](https://forum.dotvvm.com/t/radiobutton-checkbox-includeinpage-bug-in-dotvvm-controls-bootstrap4-5-0-0/373 "2026-09-07T07:28:45Z")

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Hey guys, I updated my packages DotVVM 5.0.1 and Bootstrat4 5.0.0 and had a page crash out with a bs radio button control. I use claude code and had it help prepare an .md file describing my issue in detail (copied herei…

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## [Problems Accessing Bootstrap v4 Nuget Package Source](https://forum.dotvvm.com/t/problems-accessing-bootstrap-v4-nuget-package-source/351)

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**Author:** [@d.wecker](https://forum.dotvvm.com/u/d.wecker)\
**Replies:** 3\
**Last updated:** [March 26, 2026, 10:49am UTC](https://forum.dotvvm.com/t/problems-accessing-bootstrap-v4-nuget-package-source/351 "2026-03-26T10:49:17Z")

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Hello DotVVM Team, Since late yesterday afternoon (Central European Time), we have been experiencing a major problem in that we are no longer able to process our DotVVM projects properly via CI pipelines. In approximate…

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## [DotVVM Bootstrap Extension: Unhandled Exception in JS](https://forum.dotvvm.com/t/dotvvm-bootstrap-extension-unhandled-exception-in-js/354)

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**Author:** [@d.wecker](https://forum.dotvvm.com/u/d.wecker)\
**Replies:** 2\
**Last updated:** [March 5, 2026, 10:17am UTC](https://forum.dotvvm.com/t/dotvvm-bootstrap-extension-unhandled-exception-in-js/354 "2026-03-05T10:17:53Z")

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Dear DotVVM Team, We are facing once in a while and currently quite often unhandled exceptions when debugging our DotVVM application which seem to come from the Bootstrap4 extension. This is quite annoying to the extent…

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## [How to adjust tooltip width](https://forum.dotvvm.com/t/how-to-adjust-tooltip-width/349)

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**Author:** [@edoms06](https://forum.dotvvm.com/u/edoms06)\
**Replies:** 1\
**Last updated:** [December 2, 2025, 4:30pm UTC](https://forum.dotvvm.com/t/how-to-adjust-tooltip-width/349 "2025-12-02T16:30:20Z")

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Hi, I don’t know much frontend development, specially css. How can I adjust the width of the tooltip? \<bs:Tooltip Position=“Top” Title=“Please enter the Company Reference Number if Required”\> \<bs:TextBox Text=“{{value…

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## [Chyba Bootstrap4 verze 4.3.0 bs:DateTimePicker,bs:DateTimePickerFormGroup](https://forum.dotvvm.com/t/chyba-bootstrap4-verze-4-3-0-bs-datetimepicker-bs-datetimepickerformgroup/343)

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**Author:** [@tengulak](https://forum.dotvvm.com/u/tengulak)\
**Replies:** 0\
**Last updated:** [September 17, 2025, 2:45pm UTC](https://forum.dotvvm.com/t/chyba-bootstrap4-verze-4-3-0-bs-datetimepicker-bs-datetimepickerformgroup/343 "2025-09-17T14:45:23Z")

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Zdravim, ked nastavim vlasnost Enabled, stačí aj na “False” nemusi byt cez Binding, stranka vzdycky padne na Null reference exception.

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## [ModalConfirmPostBackHandler not closing on button click](https://forum.dotvvm.com/t/modalconfirmpostbackhandler-not-closing-on-button-click/211)

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**Author:** [@TimLong](https://forum.dotvvm.com/u/TimLong)\
**Replies:** 1\
**Last updated:** [June 4, 2024, 11:56am UTC](https://forum.dotvvm.com/t/modalconfirmpostbackhandler-not-closing-on-button-click/211 "2024-06-04T11:56:33Z")

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This confirm postback handler works well. \<dot:LinkButton Visible="{value: Permission == "Full access" && \_root.canDelete}" Validation.Enabled="false" style="font-size: 20px; padding-right:5px;" class="text-danger" Cl…

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## [Spinner or Loader](https://forum.dotvvm.com/t/spinner-or-loader/80)

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**Author:** [@edoms06](https://forum.dotvvm.com/u/edoms06)\
**Replies:** 3\
**Last updated:** [November 7, 2023, 3:36pm UTC](https://forum.dotvvm.com/t/spinner-or-loader/80 "2023-11-07T15:36:02Z")

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How can I implement a spinner inside a button like the spinner in Bootstrap 4? The idea is, that I should show a loader or a spinner when I trigger an event (this could be loading data). Then, after loading the data sho…

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## [Chyba při použití bs:DateTimePicker](https://forum.dotvvm.com/t/chyba-pri-pouziti-bs-datetimepicker/64)

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**Author:** [@kaczmarczyk498](https://forum.dotvvm.com/u/kaczmarczyk498)\
**Replies:** 2\
**Last updated:** [October 8, 2023, 1:11pm UTC](https://forum.dotvvm.com/t/chyba-pri-pouziti-bs-datetimepicker/64 "2023-10-08T13:11:21Z")

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Pokud do kontrolky bs:DateTimePicker binduji nullable DateTime?, není v ní případě NULL hodnoty proměnné žádný text. Vyberu-li pak konkrétní datum, zobrazí a binduje se správně. Potřeboval bych však, aby uživatel měl mož…