Hi vchetwynd,
Using the below article i have added LevelMenuItemStyles to menu control.
You can change the style class as per your need.
Master Page
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
body {
font-family: Arial;
font-size: 10pt;
}
.main_menu {
width: 100px;
background-color: #0370D5;
color: #000000 !important;
text-align: center;
height: 50px;
line-height: 30px;
margin-right: 5px;
}
.level_menu {
width: 100%;
background-color: #00E9FF;
color: #fff;
text-align: center;
height: 30px;
line-height: 30px;
margin-top: 5px;
}
</style>
<asp:ContentPlaceHolder ID="head" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form1" runat="server">
<link rel="stylesheet" href='http://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.0.3/css/bootstrap.min.css'
media="screen" />
<script type="text/javascript" src='http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.8.3.min.js'></script>
<script type="text/javascript" src='http://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.0.3/js/bootstrap.min.js'></script>
<div class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1"
aria-expanded="false">
<span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span><span
class="icon-bar"></span><span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">ASPSnippets</a>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<asp:Menu ID="Menu1" runat="server" Orientation="Horizontal" RenderingMode="List"
IncludeStyleBlock="false" StaticMenuStyle-CssClass="nav navbar-nav" DynamicMenuStyle-CssClass="dropdown-menu">
<LevelMenuItemStyles>
<asp:MenuItemStyle CssClass="main_menu" />
<asp:MenuItemStyle CssClass="level_menu" />
</LevelMenuItemStyles>
</asp:Menu>
</div>
</div>
</div>
<script type="text/javascript">
//Disable the default MouseOver functionality of ASP.Net Menu control.
Sys.WebForms.Menu._elementObjectMapper.getMappedObject = function () {
return false;
};
$(function () {
//Remove the style attributes.
$(".navbar-nav li, .navbar-nav a, .navbar-nav ul").removeAttr('style');
//Apply the Bootstrap class to the SubMenu.
$(".dropdown-menu").closest("li").removeClass().addClass("dropdown-toggle");
//Apply the Bootstrap properties to the SubMenu.
$(".dropdown-toggle").find("a").eq(0)
.attr("data-toggle", "dropdown")
.attr("aria-haspopup", "true")
.attr("aria-expanded", "false")
.append("<span class='caret'></span>");
//Apply the Bootstrap "active" class to the selected Menu item.
$("a.selected").closest("li").addClass("active");
$("a.selected").closest(".dropdown-toggle").addClass("active");
});
</script>
<hr />
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</form>
</body>
</html>
Screenshot
