Checkbox is AWOL in ASP.NET MVC when using CheckBoxFor due t

Topic: Checkbox is AWOL in ASP.NET MVC when using CheckBoxFor due to hidden input.

Ryan Ternier asked 8 years ago

This is something that ASP.NET MVC does when rending a checkbox. It is similar to Ruby as described here: http://stackoverflow.com/questions/2860940/why-does-the-checkboxfor-render-an-additional-input-tag-and-how-can-i-get-the-v https://forums.asp.net/t/1314753.aspx Aside from why ASP.NET MVC does it, it breaks MDB on all checkboxes. I'm trying to find an eloquent solution rather than updating ~300 on my web app. Markup in Question (2 examples) 1) I know this isn't supported yet by MDB 4 - though it is valid HTML. The "box" for the checkbox is never visible. <label> <input id="SignRememberMe" name="SignRememberMe" tabindex="11" type="checkbox" value="true" data-parsley-multiple="SignRememberMe" data-parsley-id="3515"> <input name="SignRememberMe" type="hidden" value="false"> Remember Me </label> 2) The checkbox will never be seen at all. It's hidden from <input id="SignRememberMe" name="SignRememberMe" tabindex="11" type="checkbox" value="true" data-parsley-multiple="SignRememberMe" data-parsley-id="3515"> <input name="SignRememberMe" type="hidden" value="false"> <label for="SignRememberMe"> Remember Me </label> Is there a work around with MDB for this?

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howie418 pro answered 8 years ago

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After 2 hours of pulling my hair out and then finally understanding the problem, I came up with this fix. Just put this javascript somewhere that will get included on all pages that have checkboxes. $('document').ready(function () { $(":checkbox").each(function () { var hidden_input = $(this).next("input:hidden"); var label = hidden_input.next("label"); //temporarily remove the hidden field hidden_input.remove(); //re-add the hidden field after the label label.after(hidden_input); }); });

brijesh@njit.edu commented 6 years ago

this solution worked for me, thanks.

I wish MDB should have fixed it by now.

TyronSmith pro premium priority commented 5 years ago

Thank you, this works great!

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Bartłomiej Malanowski staff pro premium answered 8 years ago

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We currently don't have support for ASP.NET so I'm sorry, but I can't help you

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Ryan Ternier answered 8 years ago

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This really isn't support for MVC, it's supporting the following format which isn't that uncommon. <input id=”SignRememberMe” name=”SignRememberMe” type=”checkbox” value=”true”> <input name=”SignRememberMe” type=”hidden” value=”false”> <label for=”SignRememberMe”> Remember Me </label> That is the main issue here i'm trying to address. The above markup causes the checkbox part of the control to be invisible.

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Ryan Ternier answered 8 years ago

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Here's the reason why this doesn't work. If the <label /> element doesn't immediately follow the <input /> checkbox element, MD Bootstrap will not render the checkbox. For example, the following works: <fieldset class="form-group"> <input class="checkbox_Technology" id="InvestmentIndustriesList_0__Checked" name="InvestmentIndustriesList[0].Checked" type="checkbox" value="true"> <label for="InvestmentIndustriesList_0__Checked">Technology</label> <input name="InvestmentIndustriesList[0].Checked" type="hidden" value="false"> </fieldset> The following will not work <fieldset class="form-group"> <input type="checkbox" name="InvestmentIndustriesList[0].Checked" id="InvestmentIndustriesList_0__Checked" value="Technology" class="checkbox_Technology"> <input type="hidden" name="InvestmentIndustriesList[0].Checked" value="False"> <label for="InvestmentIndustriesList_0__Checked">Technology</label> </fieldset> Including the above, having the checkbox inside a <label /> element is also not working with MDB. Are there any plans to fix either of these? Thanks.

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Bartłomiej Malanowski staff pro premium answered 8 years ago

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Thanks for noticing and sharing your solution. We'll fix it

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howie418 pro answered 8 years ago

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(ASP MVC VB.net) also just be sure to do a @Html.CheckBoxFor(Function(x) x.RememberMe, New With {.id = "RememberMe"}) <label for="RememberMe">Remember Me</label>

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Bartłomiej Malanowski staff pro premium answered 8 years ago

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@howie418, I'm so glad to see you found a solution ;)

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Multinerd answered 7 years ago

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It appears this has not been fixed yet. in MDB 4.5.0 and the js provided above does not work.

Heres a 'MvcHtmlString ' extension im using the works

https://gist.github.com/multinerd/21debdc7a9278049c82ae8078e1b148b

just replace

@Html.CheckBoxFor(m => m.RememberMe, new { @class = "form-control validate", id = "loginform-rememberme" })

with

@Html.BasicCheckBoxFor(m => m.RememberMe, new { @class = "form-control validate", id = "loginform-rememberme" })

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rhubka answered 6 years ago

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Yes! Thank you so much for creating the extension. It works great. For anyone else using it here's what you need at the top of the class.

using System;
using System.Web.Mvc;
using System.Linq.Expressions;
using System.Web.Mvc.Html;

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User: Free
Premium support: No
Technology: General Bootstrap questions
MDB Version: -
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Ryan Ternier

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