在head里引用4个文件：
<head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link href="dist/css/bootstrap.min.css" rel="stylesheet" /> <link href="dist/css/bug-workaround.css" rel="stylesheet" /> <script src="dist/js/jquery-1.12.4.js"></script> <script src="dist/js/bootstrap.min.js"></script> <title></title> </head>
在body里：
form表单中的便是引用的bootstrap
<body>
<form id="form1" runat="server">
<div id="myCarousel" class="carousel slide">
<!-- 轮播（Carousel）指标 -->
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
<li data-target="#myCarousel" data-slide-to="1"></li>
<li data-target="#myCarousel" data-slide-to="2"></li>
</ol>
<!-- 轮播（Carousel）项目 -->
<div class="carousel-inner">
<div class="item active">
<img src="img/old1.jpg" alt="First slide" />
</div>
<div class="item">
<img src="img/old2.jpg" alt="Second slide" />
</div>
<div class="item">
<img src="img/old3.jpg" alt="Third slide" />
</div>
</div>
<!-- 轮播（Carousel）导航 -->
<a class="carousel-control left" href="#myCarousel"
data-slide="prev">‹
</a>
<a class="carousel-control right" href="#myCarousel"
data-slide="next">›
</a>
</div>
</form>
</body>