如何解决asp.net 网络表单中的 w3 引导轮播
我正在尝试在 ASP.NET Web 窗体 中实现 Bootstrap Carousel，但引导程序轮播在网站上不起作用。仅显示图像而没有轮播滑块。我已将 css 和 javascript 文件添加到 Site.Master 和来自 https://getbootstrap.com/docs/4.0/components/carousel/ 站点的引导轮播代码。
Default.aspx 站点：
<%@ Page Title="Home Page" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WingtipToys._Default" %>
<asp:Content ID="BodyContent" ContentPlaceHolderID="MainContent" runat="server">
<div id="MyCarousel" class="carousel slide" data-ride="carousel">
<div class="carousel-inner" id="carousel-slides-with-controls">
<div class="carousel-item-active">
<img class="d-block w-100" src="Toys%20Images/toy%20top.jpg" alt="Top" />
</div>
<div class="carousel-item">
<img src="Toys%20Images/toy%20tank.jpg" />
</div>
<div class="carousel-item">
<img src="Toys%20Images/toy%20dinosaur.jpg" />
</div>
<a class="carousel-control-prev" href="#" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" area-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#" role="button" data-slide="next">
<span class="carousel-control-next-icon" area-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
<div class="jumbotron">
<h1>ASP.NET</h1>
<p class="lead">ASP.NET is a free web framework for building great Web sites and Web applications using HTML,CSS,and JavaScript.</p>
<p><a href="http://www.asp.net" class="btn btn-primary btn-lg">Learn more »</a></p>
</div>
<div class="row">
<div class="col-md-4">
<h2>Getting started</h2>
<p>
ASP.NET Web Forms lets you build dynamic websites using a familiar drag-and-drop,event-driven model.
A design surface and hundreds of controls and components let you rapidly build sophisticated,powerful UI-driven sites with data access.
</p>
<p>
<a class="btn btn-default" href="https://go.microsoft.com/fwlink/?LinkId=301948">Learn more »</a>
</p>
</div>
<div class="col-md-4">
<h2>Get more libraries</h2>
<p>
NuGet is a free Visual Studio extension that makes it easy to add,remove,and update libraries and tools in Visual Studio projects.
</p>
<p>
<a class="btn btn-default" href="https://go.microsoft.com/fwlink/?LinkId=301949">Learn more »</a>
</p>
</div>
<div class="col-md-4">
<h2>Web Hosting</h2>
<p>
You can easily find a web hosting company that offers the right mix of features and price for your applications.
</p>
<p>
<a class="btn btn-default" href="https://go.microsoft.com/fwlink/?LinkId=301950">Learn more »</a>
</p>
</div>
</div>
</asp:Content>
Site.Master 代码：
<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="Site.master.cs" Inherits="WingtipToys.SiteMaster" %>
<!DOCTYPE html>
<html lang="en">
<head runat="server">
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1.0" />
<title><%: Page.Title %> - My ASP.NET Application</title>
<asp:PlaceHolder runat="server">
<%: Scripts.Render("~/bundles/modernizr") %>
</asp:PlaceHolder>
<webopt:bundlereference runat="server" path="~/Content/css" />
<link href="~/favicon.ico" rel="shortcut icon" type="image/x-icon" />
<link href="Content/bootstrap.css" rel="stylesheet" />
<link href="Content/bootstrap.min.css" rel="stylesheet" />
</head>
<body>
<form runat="server">
<asp:ScriptManager runat="server">
<Scripts>
<%--To learn more about bundling scripts in ScriptManager see https://go.microsoft.com/fwlink/?LinkID=301884 --%>
<%--Framework Scripts--%>
<asp:ScriptReference Name="MsAjaxBundle" />
<asp:ScriptReference Name="jquery" />
<asp:ScriptReference Name="bootstrap" />
<asp:ScriptReference Name="WebForms.js" Assembly="System.Web" Path="~/Scripts/WebForms/WebForms.js" />
<asp:ScriptReference Name="WebUIValidation.js" Assembly="System.Web" Path="~/Scripts/WebForms/WebUIValidation.js" />
<asp:ScriptReference Name="MenuStandards.js" Assembly="System.Web" Path="~/Scripts/WebForms/MenuStandards.js" />
<asp:ScriptReference Name="GridView.js" Assembly="System.Web" Path="~/Scripts/WebForms/GridView.js" />
<asp:ScriptReference Name="DetailsView.js" Assembly="System.Web" Path="~/Scripts/WebForms/DetailsView.js" />
<asp:ScriptReference Name="TreeView.js" Assembly="System.Web" Path="~/Scripts/WebForms/TreeView.js" />
<asp:ScriptReference Name="WebParts.js" Assembly="System.Web" Path="~/Scripts/WebForms/WebParts.js" />
<asp:ScriptReference Name="Focus.js" Assembly="System.Web" Path="~/Scripts/WebForms/Focus.js" />
<asp:ScriptReference Name="WebFormsBundle" />
<%--Site Scripts--%>
</Scripts>
</asp:ScriptManager>
<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>
<a class="navbar-brand" runat="server" href="~/">Application name</a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li><a runat="server" href="~/">Home</a></li>
<li><a runat="server" href="~/About">About</a></li>
<li><a runat="server" href="~/Contact">Contact</a></li>
</ul>
<asp:LoginView runat="server" ViewStateMode="Disabled">
<AnonymousTemplate>
<ul class="nav navbar-nav navbar-right">
<li><a runat="server" href="~/Account/Register">Register</a></li>
<li><a runat="server" href="~/Account/Login">Log in</a></li>
</ul>
</AnonymousTemplate>
<LoggedInTemplate>
<ul class="nav navbar-nav navbar-right">
<li><a runat="server" href="~/Account/Manage" title="Manage your account">Hello,<%: Context.User.Identity.GetUserName() %> !</a></li>
<li>
<asp:LoginStatus runat="server" LogoutAction="Redirect" LogoutText="Log off" LogoutPageUrl="~/" OnLoggingOut="Unnamed_LoggingOut" />
</li>
</ul>
</LoggedInTemplate>
</asp:LoginView>
</div>
</div>
</div>
<div class="container body-content">
<asp:ContentPlaceHolder ID="MainContent" runat="server">
</asp:ContentPlaceHolder>
<hr />
<footer>
<p>© <%: DateTime.Now.Year %> - My ASP.NET Application</p>
</footer>
<script src="Scripts/jquery-3.5.1.slim.js"></script>
<script src="Scripts/bootstrap.js"></script>
<script src="Scripts/bootstrap.min.js"></script>
<script src="Scripts/modernizr-2.8.3.js"></script>
</div>
</form>
</body>
</html>
解决方法
您确定 Content/bootstrap.css 中的 Bootstrap 版本吗？ ASP.Net Web 应用程序 (.Net Framework) 模板默认安装 Bootstrap v3.4.1。
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