<asp:CheckBoxList ID="CheckBoxList1" runat="server" RepeatLayout="Flow"> 
  <asp:ListItem Text="CheckBoxList" Value="cbl" /> 
</asp:CheckBoxList> 

<asp:RadioButtonList runat="server" RepeatLayout="Table"> 
  <asp:ListItem Text="RadioButtonList" Value="rbl" /> 
</asp:RadioButtonList>