Finding Who is Logged in

Hi
I have a c#  asp.net 2.0 website using forms authentication. I have two users paulj and admin information stored in web.config
<authentication mode="Forms">
      <forms loginUrl="logon.aspx" timeout="10" path="/">
        <credentials passwordFormat="Clear">
          <user name="paulj" password="1234"/>
          <user name="admin" password="abcd"/>
        </credentials>
      </forms>
    </authentication>

    <authorization>
      <allow users="paulj"/>
      &l ...