Hello, here are the assemblies:

    7bba2382, Version=0.0.0.0, Culture=neutral
    System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
    System.Web.Services, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
    System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
    App_Code.1c53458c, Version=0.0.0.0, Culture=neutral
    App_SubCode_SeparateSubDir.43113a8d, Version=0.0.0.0, Culture=neutral
    System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
    Mono.Security, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756
    System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
    System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
    System.Xml, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
    Mono.WebServer2, Version=0.2.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756
    mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089


And here are messages from the App_Code assemblies:

    Test1: Hello world, Test 1
    Test2: Hello world, Test 2
    Test3: Hello world, Test 3
    Test4: Hello world, Test 4