<configuration>
  <system.web>
    <authentication mode="Forms" >
      <forms loginUrl="login.aspx" name=".ASPXFORMSAUTH" />
    </authentication>

    <anonymousIdentification enabled="true" />

    <profile enabled="true" defaultProvider="AspNetSqlProvider">
      <properties>
        <add name="ZipCode" allowAnonymous="true" />
        <add name="CityAndState" allowAnonymous="true" />
        <add name="StockSymbols" type="System.Collections.ArrayList" allowAnonymous="true" />
      </properties>
    </profile>
  </system.web>
</configuration>

Public Sub Profile_OnMigrateAnonymous(sender As Object, args As ProfileMigrateEventArgs)
  Dim anonymousProfile As ProfileCommon = Profile.GetProfile(args.AnonymousID)

  Profile.ZipCode = anonymousProfile.ZipCode
  Profile.CityAndState = anonymousProfile.CityAndState
  Profile.StockSymbols = anonymousProfile.StockSymbols

  ''''''''
  ' Delete the anonymous profile. If the anonymous ID is not 
  ' needed in the rest of the site, remove the anonymous cookie.

  ProfileManager.DeleteProfile(args.AnonymousID)
  AnonymousIdentificationModule.ClearAnonymousIdentifier()
End Sub

public void Profile_OnMigrateAnonymous(object sender, ProfileMigrateEventArgs args)
{
  ProfileCommon anonymousProfile = Profile.GetProfile(args.AnonymousID);

  Profile.ZipCode = anonymousProfile.ZipCode;
  Profile.CityAndState = anonymousProfile.CityAndState;
  Profile.StockSymbols = anonymousProfile.StockSymbols;

  ////////
  // Delete the anonymous profile. If the anonymous ID is not 
  // needed in the rest of the site, remove the anonymous cookie.

  ProfileManager.DeleteProfile(args.AnonymousID);
  AnonymousIdentificationModule.ClearAnonymousIdentifier(); 
}