ERROR: Invalid Resx file.

[James]

I am getting an error after I upgrade to WinControls.UI Version 2022.2.622.40

Invalid Resx file. Could not load type System.DelegateSerializationHolder, Telerik.WinControls.UI, Version=2022.2.622.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e which is used in the .RESX file.  Ensure that the necessary references have been added to your project. Line 4694, position 5.

Error here:

 <data name="RadRibbonBarGroup1.CreateAdapterMethod" mimetype="application/x-microsoft.net.object.binary.base64">
    <value>
        AAEAAAD/////AQAAAAAAAAAMAgAAAF9UZWxlcmlrLldpbkNvbnRyb2xzLlVJLCBWZXJzaW9uPTIwMjIu
        Mi42MjIuNDAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49NWJiMmE0NjdjYmVjNzk0ZQUB
        AAAAIlN5c3RlbS5EZWxlZ2F0ZVNlcmlhbGl6YXRpb25Ib2xkZXICAAAACERlbGVnYXRlB21ldGhvZDAD
        AzBTeXN0ZW0uRGVsZWdhdGVTZXJpYWxpemF0aW9uSG9sZGVyK0RlbGVnYXRlRW50cnkvU3lzdGVtLlJl
        ZmxlY3Rpb24uTWVtYmVySW5mb1NlcmlhbGl6YXRpb25Ib2xkZXICAAAACQMAAAAJBAAAAAQDAAAAMFN5
        c3RlbS5EZWxlZ2F0ZVNlcmlhbGl6YXRpb25Ib2xkZXIrRGVsZWdhdGVFbnRyeQcAAAAEdHlwZQhhc3Nl
        bWJseQZ0YXJnZXQSdGFyZ2V0VHlwZUFzc2VtYmx5DnRhcmdldFR5cGVOYW1lCm1ldGhvZE5hbWUNZGVs
        ZWdhdGVFbnRyeQEBAgEBAQMwU3lzdGVtLkRlbGVnYXRlU2VyaWFsaXphdGlvbkhvbGRlcitEZWxlZ2F0
        ZUVudHJ5BgUAAABEVGVsZXJpay5XaW5Db250cm9scy5MYXlvdXRzLkNvbGxhcHNpYmxlRWxlbWVudCtD
        cmVhdGVBZGFwdGVyRGVsZWdhdGUGBgAAAF9UZWxlcmlrLldpbkNvbnRyb2xzLlVJLCBWZXJzaW9uPTIw
        MjIuMi42MjIuNDAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49NWJiMmE0NjdjYmVjNzk0
        ZQoJBgAAAAYHAAAAMFRlbGVyaWsuV2luQ29udHJvbHMuVUkuQ29sbGFwc2libGVBZGFwdGVyRmFjdG9y
        eQYIAAAADUNyZWF0ZUFkYXB0ZXIKBAQAAAAvU3lzdGVtLlJlZmxlY3Rpb24uTWVtYmVySW5mb1Nlcmlh
        bGl6YXRpb25Ib2xkZXIHAAAABE5hbWUMQXNzZW1ibHlOYW1lCUNsYXNzTmFtZQlTaWduYXR1cmUKU2ln
        bmF0dXJlMgpNZW1iZXJUeXBlEEdlbmVyaWNBcmd1bWVudHMBAQEBAQADCA1TeXN0ZW0uVHlwZVtdCQgA
        AAAJBgAAAAkHAAAABgsAAABcVGVsZXJpay5XaW5Db250cm9scy5MYXlvdXRzLkNvbGxhcHNpYmxlRWxl
        bWVudCBDcmVhdGVBZGFwdGVyKFRlbGVyaWsuV2luQ29udHJvbHMuUmFkRWxlbWVudCkGDAAAAFxUZWxl
        cmlrLldpbkNvbnRyb2xzLkxheW91dHMuQ29sbGFwc2libGVFbGVtZW50IENyZWF0ZUFkYXB0ZXIoVGVs
        ZXJpay5XaW5Db250cm9scy5SYWRFbGVtZW50KQgAAAAKCw==
</value>
  </data>

I have loaded a backup of my project and upgraded again and I still get the same error after I clean and rebuild the project. Any suggestions to fix this or workaround would be appreciated.

[Maria]

Hello James, 

Thank you for the provided details.

This error looks similar to a one logged in our Feedback Portal. I am happy to share that this error is already fixed. The fixed is included in R2 2022 SP1 (LIB 2022.2.711) lib version. I am sending you a link, where you can follow the steps in the article to navigate to the download page inside your account.

https://docs.telerik.com/devtools/winforms/installation-and-upgrades/latest-internal-builds

Give the LIB version a try and let me know if this error appears again.

Regards,
Maria
Progress Telerik

[Ekoue]

Hi there,

I am having the same problem and uninstalling/reinstalling the Telerik UI for Winforms do not solve the problem.

I am now trying the solution proposed above and have downloaded the library "Telerik_UI_For_WinForms_2022_2_711_Dev_dlls.zip". How do I installed the zip file?

Thank you for any help.

Ekoue

[Maria]

Hi Ekoue,

I am sorry you are experiencing a problem with Telerik Ui for WinForms. First, when you purchase a UI for WinForms license you can download our latest internal builds. Because there isn't a .msi installation file, after you downloaded the file there are two options that you can use. You can try to extract the zip file and manually add the required DLL files to your project.

The second option is to use NuGet. There is a page on our website which gives you access to our Latest Internal Builds and this article describes how to install the WinForms suite using the NuGet package.

I hope this helps you, give it a try and if you having any trouble again don't hesitate to write.

Regards,
Maria
Progress Telerik

[Ekoue]

Hi Maria,

I followed the instructions and have installed the internal build. However the issue persists. Please see screenshot below.

[Maria]

Hi Ekoue,

Thank you for the provided screenshot.

Please have in mind that if the .resx file is already broken due to the previous issue, upgrading with the LIB version wouldn't fix the .resx file automatically. It will require manually fixing the file and removing the wrongly serialized data.

I am sending you a .gif file with a recorded video of how I'm fixing the problem. I hope this works. 

Regards,
Maria
Progress Telerik

[Ekoue]

Hi Maria,

Thank you for the additional information.

I will try it.

Best regards

Ekoue