how to fix this isse in forms based authentication?

See more:

authorization

<location path="ClientUser" allowOverride="true">
    <system.web>
      <authorization>
        <allow roles="Client"/>
        <deny users="*"/>
      </authorization>
    </system.web>  </location>

using as like above it's not working but when using as follows is workiung with result failure i mean access prevtion is not working.

<location path="~/AdminUser" allowOverride="true">
    <system.web>
      <authorization>
        <allow roles="Admin"/>
        <deny users="*"/>
      </authorization>
    </system.web>  </location>