Empty BulletedList like this:
<asp:BulletedList ID="BulletedList1" runat="server">
</asp:BulletedList>
will not render into page HTML at all because it makes no sense much as <UL>
element without <LI>
elements.
But if you add at least one (even empty) list item:
<asp:BulletedList ID="BulletedList1" runat="server">
<asp:ListItem></asp:ListItem>
</asp:BulletedList>
It will render as
<ul id="BulletedList1">
<li></li>
</ul>