bootstrap模态框拖拽移动,以下代码不能实现,求解
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Bootstrap 实例 - 基本的按钮组</title>
<script src="~/lib/jquery/dist/jquery.js"></script>
//<script src="~/lib/bootstrap/dist/js/bootstrap.js"></script>
<link href="~/files/bootstrap.min.css" rel="stylesheet" />
<script src="~/files/bootstrap-old.min.js"></script>
@* <link rel="stylesheet" href="https://cdn.staticfile.net/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.net/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.net/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script> *@
</head>
<body>
<div class="container">
<!-- Trigger the modal -->
<button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
Open Modal
</button>
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true" data-backdrop="static" data-keyboard="false">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel">Modal title</h4>
</div>
<div class="modal-body">
...
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
</div>
<script type="text/javascript">
$(function () {
$(".modal-dialog").draggable();
})
</script>
</body>
</html>