Bug Report T1174501
Visible to All Users

WebDocumentViewer - "Cannot read properties of null (reading 'pdf')" error occurs on calling the Print method in v23.1

created 2 years ago (modified 2 years ago)

Steps to reproduce:

  1. Add the Document Viewer component to a web page.
  2. Call the client-side Print method for the previewed report.

The issue is reproducible in the attached sample project.

Expected results:

The browser's Print dialog appears to print the previewed document.

Current results:

The Uncaught TypeError: Cannot read properties of null (reading 'pdf') error occurs in the browser's console. The previewed report is not printed.

Additional information:

We forwarded this issue to the team for further research. We will update this thread once we have progress on this.

Answers approved by DevExpress Support

created 2 years ago

We have addressed the issue described in this ticket and will include a fix in our next maintenance update. Should you need to apply our fix prior to official release, you can request a hotfix here.

Important Notes:

  • Hotfixes may be unavailable for Early Access/Beta builds or updates set for release within a week.
  • .NET only: in the NuGet Package Manager, use your personal NuGet feed and check the "Include prerelease" option to view the hotfix package in the "Updates" tab.

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