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Dany74m

.NET app + Crystal Reports = System.AccessViolationException

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We need to integrate Data Matrix Barcodes into our workflow, so I'm evaluating your plugin. We use Crystal Reports and I have been able to create successfully a Data Matrix barcode using your UFL. We normally use a custom .NET application that passes a parameter to a Crystal Report workflow to generate massive custom labels. If I call from my application a report containing your plugin to generate a Data matrix, my app crashes, and I got a System.AccessViolationException. Do you have any idea why this happens? All the other reports that do not contain the Data Matrix Plugin works fine.

Thank you.

Daniel

Operating System: windows 2000 server

Application: .net, crystal reports 9

12-05-14 9.9 year(s) ago

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Ben	Best Answer Unfortunately, I am not familiar with the error. You could test by using the Native Generator for Crystal Reports sample report download as this does not require a plug-in or UFL. If it checks out okay, then it is probably a compatibility issue with the UFL. If the error continues to occur, then the issue is coming from something else. Posted 9.9 year(s) ago (0) (0) Report Abuse

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Ben	Yes. The 30-Day Money Back Guarantee includes any reason including product lack of performance. It is completely unconditional. If you have any questions, let me know. Posted 9.9 year(s) ago (0) (0) Report Abuse

Dany74m

Thanks, Ben.

In our company, we print a large volume of labels, so for us performance is crucial. If we would face any performance issue, can we use the 30-day money-back guarantee?

Thank you.

Posted 9.9 year(s) ago

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Ben	Because the formula is native code, it will be significantly slower (compared to the UFL) when printing multiple barcodes. I am not sure of another solution. Posted 9.9 year(s) ago (0) (0) Report Abuse

Dany74m

I appreciated your quick reply.

I tried the static version, and it's working fine. So basically, it's a VB script function to add in a crystal report that encodes an input string right? My main concern is about performance, that I'm not able to test with the static one. How long do you think it will take to generate 100 labels on an average computer?

Thank you.

Posted 9.9 year(s) ago

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Dany74m

Hi, thank you for your quick answer.

My app is written in vb.net and I'm using IDAutomation.com DataMatrix Font and Encoder for Windows DEMO.

This is the error I caught in the event viewer:

Application: PRIME.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.AccessViolationException
Stack:
at PRIME.CrappyGlobals.PEStartPrintJob(Int16, Int16)
at PRIME.modCRW.ProcessPrintJobCRW(PRIME.clsPrintJob, System.String ByRef)
at PRIME.modCRW.ProcessJobCRW(PRIME.clsPrintJob, System.String ByRef)
at PRIME.modProcess.ProcessJob(PRIME.clsPrintJob ByRef)
at PRIME.modProcess.ProcessQueuedJobs()
at PRIME.frmPRIME.tmrPRIMETimer_Tick(System.Object, System.EventArgs)
at System.Windows.Forms.Timer.OnTick(System.EventArgs)
at System.Windows.Forms.Timer+TimerNativeWindow.WndProc(System.Windows.Forms.Message ByRef)
at System.Windows.Forms.NativeWindow.Callback(IntPtr, Int32, IntPtr, IntPtr)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG ByRef)
at System.Windows.Forms.Application+ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr, Int32, Int32)
at System.Windows.Forms.Application+ThreadContext.RunMessageLoopInner(Int32, System.Windows.Forms.ApplicationContext)
at System.Windows.Forms.Application+ThreadContext.RunMessageLoop(Int32, System.Windows.Forms.ApplicationContext)
at System.Windows.Forms.Application.RunDialog(System.Windows.Forms.Form)
at System.Windows.Forms.Form.ShowDialog(System.Windows.Forms.IWin32Window)
at System.Windows.Forms.Form.ShowDialog()
at PRIME.modPRIME.Main()

Faulting application PRIME.exe, version 3.0.13.0, time stamp 0x51f18e2a, faulting module unknown, version 0.0.0.0, time stamp 0x00000000, exception code 0xc0000005, fault offset 0x00f0d680, process id 0x%9, application start time 0x%10.

Posted 9.9 year(s) ago

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Ben

Because we have several products for Crystal Reports, what IDAutomation Crystal implementation are you using?

I will need a bit more information before I could tell what might be going wrong. Is System.AccessViolationException the entire/only error message?

There are two solutions that use embedded formulas and are not likely to produce any kind of error (because they are native to Crystal). Neither solution uses a UFL/dll.

If you have not done so, consider looking into these solutions:

Crystal Native Generator
Data Matrix Fonts with Crystal Font Formulas

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