Create Select Group on Navigation Bar
<!DOCTYPE HTML>
<html>
<head>
<link href="http://java2s.com/style/bootstrap.min.css" rel="stylesheet">
<!--from w ww. j a v a 2s . c o m-->
<script src="http://java2s.com/style/jquery-1.8.0.min.js"></script>
<script src="http://java2s.com/style/bootstrap.min.js"></script>
</head>
<body style='margin: 20px;'>
<div class="navbar">
<form class="navbar-form pull-left">
<select name="" id="" class="form-control" style="width: 200px;">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
<button type="submit" class="btn btn-default">Submit</button>
</form>
</div>
</body>
</html>