QuickPDF load library fails on webserver

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   I am using QuickPDF library to read form a web application. The application processes the PDF files uploaded by the user. I am using the C# dll version of library to make the PDF calls. My development environment is VS 2010, Vista 64 bit

When I run the app form within VS2010 (using builtin web server casini) it works fine and reads the PDF data. But when I deploy the same application on IIS7 on the same box, The LoadLibrary call within QuickPDFDLL0721.cs fails and returns IntPtr.Zero. I examined the error code and it returns error code 193. The class library which includes includes QuickPDFDLL0721.cs is compiled with "AnyCPU" configuration.

What am I doing wrong here? is this scenario supported?

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shree_kotekar Members Profile Find Members Posts Beginner Joined: 07 Sep 10 Status: Offline Points: 4	Post Options Post Reply Quote shree_kotekar Report Post Thanks(0) Quote Reply Topic: QuickPDF load library fails on webserver Posted: 17 Sep 10 at 6:52PM
	I am using QuickPDF library to read form a web application. The application processes the PDF files uploaded by the user. I am using the C# dll version of library to make the PDF calls. My development environment is VS 2010, Vista 64 bit When I run the app form within VS2010 (using builtin web server casini) it works fine and reads the PDF data. But when I deploy the same application on IIS7 on the same box, The LoadLibrary call within QuickPDFDLL0721.cs fails and returns IntPtr.Zero. I examined the error code and it returns error code 193. The class library which includes includes QuickPDFDLL0721.cs is compiled with "AnyCPU" configuration. What am I doing wrong here? is this scenario supported?

Ingo Members Profile Find Members Posts Moderator Group Joined: 29 Oct 05 Status: Offline Points: 3530	Post Options Post Reply Quote Ingo Report Post Thanks(0) Quote Reply Posted: 17 Sep 10 at 7:01PM
	Hi Shree! This doesn't has basically to do with QuickPDF. Try Google with "dll IIS7 problem" ... Cheers, Ingo

iPortals Members Profile Find Members Posts Beginner Joined: 20 Apr 11 Status: Offline Points: 1	Post Options Post Reply Quote iPortals Report Post Thanks(0) Quote Reply Posted: 20 Apr 11 at 7:42AM
	Hi shree_kotekar, I have a similar problem to your scenario except that I don't get the error you are referring to. Have you found a solution to your problem? Setup: 1) PC - Win7 Pro 32 bit & VS2010 Pro 2) Server - Win2k8 Enterprise & IIS7 I am developing a document management solution in ASP.NET using the QuickPDF DLL version and I'm struggling to get the binaries running on the server. The DLL loads and reports all the correct diagnostics WRT to licensing etc. but it doesn't do any processing from what I can see. Here is what I've tried so far: 1) Allowed 'Everyone' access to the entire application directory. 2) Lowered UAC security and finally disabled UAC completely. 3) Setup the web application to run as 'Administrator' in its entirety. Unfortunately, I don't have a debugger available on the server and I can't debug remotely either due to the security setup... Lastly, I have deployed the exact binaries to my Win7 PC on IIS7.5 which runs perfectly, I then compared and altered the setup according to my Win7 PC with no success. Hope someone can help me with this problem? Alternatively, is there a .NET assembly I'm missing, I think that would most probably be the right solution instead of hacking and slashing the Win / IIS setup...?