System.NullReferenceException error when load pdf

Question

Hi:I am developing an application with the PDFDocument control and PDControlView for Winform.Loading a PDF produces a System.NullReferenceException error: 'Object reference not set to an instance of an object.' inApplication.Run(new Form1()). This same error is generated in the demos, for example in MultiTabbedViewer_2017.This using Windows 11, professional, visual Studio 2022 and Syncfusion Essential Studio 22.2.5. PDF attachment that generates the error. This file loads and opens perfectly with Acrobat ReaderBest regardAttachment: f1_3a73e9be.rar

Manigandan Shanmugam · Answer

Hi
Jesus,With
the provided details, the reported issue "System.NullReferenceException thrown
while loading a specific document" can be reproduced on our
end. We will analyze and update further details on September 7, 2023.

Manigandan Shanmugam · Answer

Jesus, we have confirmed the issue “System.NullReferenceException thrown
while loading a specific document” as a defect in
our product and we will include the fix in our upcoming weekly NuGet release,
which will be expected to be available at the end of September, 2023.
 Please use the below feedback
link to track the status of the reported bug.https://www.syncfusion.com/feedback/46712/null-reference-exception-while-getting-pdf-page-resources Note: If you require a patch for
the reported issue in any of our Essential Studio Main or SP release version,
then kindly let us know the version, so that we can provide a patch in that
version based on our SLA policy. Disclaimer: “Inclusion of this
solution in the weekly release may change due to other factors including but
not limited to QA checks and works reprioritization.”

Jesús · Answer

Hi,First of all, thanks for the quick response.I would be interested in receiving the corresponding patch for the Essential Studio for WinForms 22.2.5 versionBest regards

Manigandan Shanmugam · Answer

As per the request, we will provide a patch for this fix in the mentioned version 22.2.5 on September 18, 2023.

Krithika Ganesan · Answer

Hi Jesus,The reported issue “System.NullReferenceExceptionthrown while loading a
specific document” has been fixed and
the patch for this fix can be downloaded from the following location.  We
have created the patch with essential studio version 22.2.5.Recommended approach - exe will
perform automatic configuration. Please find the patch setup from
below location: https://syncfusion.com/Installs/support/patch/22.2.5/1534135/F184421/SyncfusionPatch_22.2.5_1534135_9142023070431993_F184421.exeAdvanced approach – use only if you
have specific needs and can directly replace existing assemblies for your build
environment Please find the patch assemblies
alone from below location:https://syncfusion.com/Installs/support/patch/22.2.5/1534135/F184421/SyncfusionPatch_22.2.5_1534135_9142023070431993_F184421.zipNuGet package: https://syncfusion.com/Installs/support/patch/22.2.5/1534135/F184421/SyncfusionNuget_22.2.5_1534135_9142023070431993_F184421.zipAssembly Version: 22.2.5Installation Directions : This patch should replace the files
“Syncfusion.Pdf.Base, Syncfusion.PdfViewer.Windows” under the following
folder. $system drive:\
Files\Syncfusion\Essential Studio\$Version #
\precompiledassemblies\$Version#\4.6 Eg : $system drive:\Program
Files\Syncfusion\Essential
Studio\9.3.0.61\precompiledassemblies\9.3.0.61\4.0 To automatically run the Assembly
Manager, please check the Run assembly manager checkbox option while installing
the patch. If this option is unchecked, the patch will replace the assemblies
in precompiled assemblies’ folder only. Then, you will have to manually copy
and paste them to the preferred location or you will have to run the Syncfusion
Assembly Manager application (available from the Syncfusion Dashboard,
installed as a shortcut in the Application menu) to re-install
assemblies. Note : You can change how you receive bug
fixes by navigating to the following link and updating your preferences. https://www.syncfusion.com/support/directtrac/patchesDisclaimer : Please note that we have created this
patch for version 22.2.5
specifically to resolve the following issue(s) reported in this/the
incident(s). 184421If you have received other patches
for the same version for other products, please apply all patches in the order
received. This fix will be included in our 2023 volume 3 SP1 release
which will be available in end of November 2023 tentatively.Please find the feedback link below,https://www.syncfusion.com/feedback/46712/null-reference-exception-while-getting-pdf-page-resourcesBest Regards,Krithika