向ASP.Net MVC 5添加新主题无法正常工作 [英] Adding new Theme to ASP.Net MVC 5 dont work

问题描述

我有以下问题.当我尝试向ASP.Net MVC 5添加新主题时，导航栏崩溃.当我使用标准引导程序时，它可以工作.我不知道为什么它不起作用.

I have the following Problem. When i try to add a new Theme to ASP.Net MVC 5 my Navbar get crashed. When i use the Standard Bootstrap it works. I have no idea why it dont work.

这是我的BundleConfig:

This is my BundleConfig:

bundles.Add(new StyleBundle("~/Content/css").Include(
                  "~/Content/bootstrap-lumen.css",
                  "~/Content/site.css"));

这是标准MVC _Layout.cshtml页面:

This is the Standard MVC _Layout.cshtml Page:

<div class="navbar navbar-inverse navbar-fixed-top">
    <div class="container">
        <div class="navbar-header">
            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            @Html.ActionLink("Application name", "Index", "Home", new { area = "" }, new { @class = "navbar-brand" })
        </div>
        <div class="navbar-collapse collapse">
            <ul class="nav navbar-nav">
                <li>@Html.ActionLink("Home", "Index", "Home")</li>
                <li>@Html.ActionLink("About", "About", "Home")</li>
                <li>@Html.ActionLink("Contact", "Contact", "Home")</li>
            </ul>
            @Html.Partial("_LoginPartial")
        </div>
    </div>
</div>

这是我使用普通Bootstrap时的结果:

This is the result when i use the normal Bootstrap:

这是我尝试使用Lumen Theme运行时的结果

This is the result when i try to run with Lumen Theme

有人可以帮助我吗?在其他项目中，它始终可以正常工作，我不知道出了什么问题.

Can someone help me? In other projects it works all the time correct i have no idea whats going wrong.

推荐答案

这是因为 Lumen 使用Bootstrap4.您的导航问题是已知的重大更改

This is because Lumen uses Bootstrap 4. Your issue with the navigation is a known breaking change.

您的选择是使用Bootstrap 3主题或执行迁移到版本4.

Your options are to either use a Bootstrap 3 theme or perform a migration to version 4.

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