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DevExpress and Reportingservice 5: Showing a modal dialog box error

  • 24 August 2022
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Hugo Nienhuis
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I use the Reportingservice V5 to print a DevExpress report. This gives me the following error:

Showing a modal dialog box or form when the application is not running in UserInteractive mode is not a valid operation. Specify the ServiceNotification or DefaultDesktopOnly style to display a notification from a service application.

I use the same report to create a pdf and that works fine. I also use the same report within the (Windows) gui and that also works fine. So why would the report try to show a dialog form when I try to print it using the Reportingservice? Any help would be appreciated.

 

Using TW 2022.1 and Reportingservice 5

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Best answer by Jasper 30 August 2022, 16:20

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Jasper
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A possible reason for the popup to show is a mandatory report parameter without a value.
Could that be the case?

Hugo Nienhuis
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I don't think so. I checked all of them and the point is that I can create a pdf of that same report and I can also mail that pdf. That all seems to work fine. I use only 1 report parameter. I also checked the params in the get_reports procedure.

I suspect it is something similar to a pop-up generated because of incorrect margins or alike. Is that possible? Is it possible to suppress these kind of dialogs in DevExpress?

Jasper
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This has been fixed in the 5.04 release of the Reporting Service. 

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