First make sure all your files are saved in VS (obviously)
Then try reimport the GloveData file.
Then try reimport ALL
After that, make sure your intellisense is properly set up:
This may help you with intellisense and possibly other Visual Studio integration problems:
Sometimes the fix is as simple as doing Assets → Open C# Project from Unity. Other times it requires more.
Also, try update the VSCode package inside of Unity: Window → Package Manager → Search for Visual Studio Code Editor → Press the Update button
Also, this: No suggestions in Vscode