LAbVIEW DLL Hanging problem

[HCL Tech]

Hi,  We are building a real-time application using VI server concept. The applications runs on a Windows host PC and basically calls the I/O fucntions of the PXI resources working under LabVIEW RT. We are employing the following hardware for our ATE (Automatic Test Equipment), PXI Chassis 1006 PXI Embedded Real-Time Controller PXI-8176/RT Analog Output PXI-6711 - 4 No's Analog Output PDXI-AO-16/16 - 2 No's DMM PXI-4060 Multifunction DAQ PXI-6052E Isolated Digital I/O PXI-6527 - 2 No's I have developed an application software using ASP.NET which uses ATE to test the hardware. In the application software I call LabVIEW 7.1 DLLs to talk to ATE hardware (PXI Chassis) using VI server concept. The ASP.NET with LabVIEW DLL calls to hardware works fine with ASP.NET source code. I created the same ASP.NET source code as an installer and installed it. If I run the installed software, it hangs at first LabVIEW DLL call. I debugged the ASP.NET installer, it goes to LAbVIEW DLL call, but never comes out. Please help me to sort out this issue Thanks, Poornima

[Megan B.]

Hi Poornima,

I'm afraid I found your description a bit confusing.  Are you installing an executable and this executable hangs at calls to LabVIEW DLLs?  If you are trying to run this code on a different machine, make sure that you have the LabVIEW Run-Time on the machine.  You can download the LV Run-Time here.  Otherwise, I am not sure why your ASP .NET executable would run differently than the source code.  I'm afraid that I don't have much information on ASP .NET but you may want to get in touch with Microsoft support to see if they can distinguish for you what the difference may be. 

Good luck and post if you have further questions!
Megan B.
National Instruments