...
<asp:Content ID="Content3" ContentPlaceHolderID="MainContent" runat="server">
  <h3>Customers</h3>
  <ul>
    <asp:Repeater ID="customersRepeater" runat="server">
      <ItemTemplate>
            <li>
                <%# Eval("FirstName") %>
                <%# Eval("LastName") %>
            </li>
      </ItemTemplate>
    </asp:Repeater>
  </ul>
  <a href="CustomerDetails.aspx">Add a New Customer</a>
</asp:Content>