Have you tried asking about this here?
http://www.software.rockwell.com/forum/rslinx/
(babak) wrote in message news:<. com>...
> I need a help (either pointers to where to post this message,or actual
> pointers on my problem).
> I'm getting very frustrated in here.
> I decided to write the interface between RSLinx and microsoft IIS.
> It seems that every time I'm almost there I stumble on yet another
> ?GOT YOU !!!'.
> I'm beginning to think that it is simply impassible to create the .asp
> page which will
> be able to post or get the data to and from RSLinx. (all the
> processing to be done on the web server)
> There are a dozens of activex components that could be utilized for
> this function, but to me it looks like those components have no right
> to work insight the .asp page this is why (and please correct me if
> I'm wrong pointing me to the resource o the web which proves it ) :
>
> 1.OPC is riding on top of the DDE.
> 2.Every call made from the asp page is running in it's own memory
> space without the actual application space.
>
> Which means that it can not communicate with the DDE or OPC server
> running under the different memory space. (even if it runs as the
> service)
>
> I think that most of the ActiveX components are designed to interface
> with the DDE/OPC servers running and accessible from within the same
> program and application space. And because of that, all of them are
> functioning perfectly well when called from within the client
> application running on the desktop with the forms, and text boxes
> behind.
> I have not seen one single working example on the call from within the
> asp page running on the Microsoft server which has the OPC/DDE server
> installed on it.
>
> I have created a simple DDE to RSLinx ActiveX control using the VB6
> build DDE support . Worked fine on the client did not work in the
> asp. Then I created the ActiveX control that talks to the RSLinx over
> the DDE using the DDClient controls ? no problem works fine as the
> client VB application, refuses to work as the asp. So at the end I
> have build the VB6 ActiveX dll which was using the RSLinx objects.
> Again the same problem ? goes ?belly up' if called from within the
> asp, perfectly fine from the application running on the console.
> Before I waste any more time and invest any $ for the third party
> components that claim to work I would like to ask the ?world' to prove
> me that I'm wrong and interfacing RSLinx to the WWW is realy passible.
> (some simple working and tested code will be much appreciated)
>
> I'm willing to start a new project and distribute the code under the
> GPL if needed. And please reply to the post and only if you know that
> the information is corect. What I found is that there is a lot of the
> answers to the usenet groups which are not productive.
>
> /Babak
> babak at op.pl
>
>
> PS.
> I want to let you know that I even went as far as reconfiguring the
> account under which my IIS is running so it is not I_USR anymore. I
> even made the new www service account as the administrator of the box,
> I logged in to the server with that account ( so the registry is
> populated for that user). In my activex component class I also created
> a basic function that returns some values ? in order to test the
> correct component registration. I can still make the ADO and FS
> references but every time any type of the reference to RSLinx or DDE
> happens it goes belly up. I have no $ to spend on the RSLinx SDK, and
> quite frankly I'm affrait that even if I spend those $ I will still be
> in the same point which I'm in right now.