write this
<asp:Label runat="server" ID="Label1" Text="Employer Type"></asp:Label>
</td>
<td valign="middle">
<asp:CheckBoxList ID="chkEmployerType" runat="server" RepeatDirection="Horizontal">
<asp:ListItem Value="E" Text="Employer"></asp:ListItem>
<asp:ListItem Value="O" Text="OJT Provider"></asp:ListItem>
</asp:CheckBoxList>
</td>