vb.net wpf (.netcore6.0) cannot open assembly information such as project properties and change version numbers

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36597789 asked May 15, '22 HuiLiu-MSFT edited May 25, '22

vb.net wpf (.netcore6.0) cannot open assembly information such as project properties and change version numbers

The translation of the error message is: There was an error trying to load the page.
An object reference was not set to an instance of an object.

windows-wpf

image.png (16.9 KiB)

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HuiLiu-MSFT · May 25 at 08:05 AM

Hi,@36597789. Does your project have extended Nuget packages? Some extensions can cause this. You could try to disable the extension and restart Visual Studio. For more details you can refer here to see if it helps you.

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Answer 1 · 2022-05-15T09:40:51.937Z

vb2ae answered May 15, '22 36597789 commented May 21, '22

Close visual studio and open the folder your solution is in and delete the hidden .vs folder. Try editing the project version again.

If that does not work you could always edit the vbproj file,

   <PropertyGroup>
     <OutputType>WinExe</OutputType>
     <TargetFramework>net6.0-windows</TargetFramework>
     <RootNamespace>WpfApp9</RootNamespace>
     <UseWPF>true</UseWPF>
     <AssemblyVersion>1.1.0.0</AssemblyVersion>
     <FileVersion>1.1.0.0</FileVersion>
  </PropertyGroup>

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36597789 · May 21 at 05:28 AM

Deleting the .vs folder doesn't work. If the vbproject file is modified, how should the company explain how these other assembly information should be filled in manually?

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