How to dynamically create HTML Unordered List from code-behind in c#.Net ?

Hi Guys,
I need to create HTML Unordered List dynamically from code-behind. The list items will come from the database table.
What exactly I want is the following with Item bind from database:
<div id="menu">
<ul class="menu">
<li><a href="#" class="parent"><span>Home</span></a>
<div><ul>
<li><a href="#" class="parent"><span>Sub Item 1</span></a>
<div><ul>
<li><a href="#" class="parent"><span>Sub Item 1.1</span></a>
<div><ul>
<li><a href="#"><span>Sub Item 1.1.1</span></a></li>
<li><a href="#"><span>Sub Item 1.1.2</span></a></li>
</ul></div>
</li>
<li><a href="#"><span>Sub Item 1.2</span></a></li>
<li><a href="#"&g ...