Recently, I updated my VS Code to the latest version, 17.2.6; I started getting Visual Studio 2022 problem after upgrade to last version 17.2.6. Here is the some snippets of the errors and warnings I got:
Predefined type 'System.String' is not defined or imported
I would like to share the steps that helped me to fix the “Predefined type ‘System.String’ is not defined or imported” in Visual Code latest version 17.2.6.
Why Predefined type ‘System.String’ is not defined or imported error is seen?
Predefined type ‘System.String’ is not defined or imported error is seen might be because of the migration of .net SDK 6.0.301 to .net SDK 6.0.302 version.
A detailed solution to Predefined type ‘System.String’ is not defined or imported error is provided below:
How to fix Predefined type ‘System.String’ is not defined or imported error?
A simple and optimal solution is to, manually open the properties using the command, (alt-enter). Open the properties of each problematic project and it would remove the error automatically.
If you follow the above steps, it automatically fixes the paths. If the problem still persists, to fix this error, you should try to remove all the object folders in your project to remove all the error you are getting.
To fix the Visual Studio 2022 problem after upgrade to latest version 17.2.6; you will have to follow the below-mentioned steps to fix the error.
Method 1: Remove the Object Folders
To fix this error first you should try to remove all the object folders in your project to remove all the error you are getting
Method 2: Manually Opening the Properties
If the above step does not fix the problem you would have to manually open the properties using the command,alt-enter. Open the properties of each problematic project. If you follow the above steps, it automatically fixes the paths.
This should fix the error Predefined type ‘System.String’ is not defined or imported error in Visual Studio Code version 17.2.6.
Conclusion
To fix the Predefined type ‘System.String’ is not defined or imported error, you would have to manually open the properties using the command, alt-enter. Open the properties of each problematic project.
If you follow the above steps, it automatically fixes the paths. If the problem still persists, to fix this error you should try to remove all the object folders in your project to remove all the error you are getting