Answers for "dot net core 3.1 The type or namespace name 'TestClassAttribute' could not be found (are you missing a using directive or an assembly reference?)"

dot net core 3.1 The type or namespace name 'TestClassAttribute' could not be found (are you missing a using directive or an assembly reference?)

1. Close Visual Studio
2. Delete .vs folder
3. Reopen Visual Studio and it should work.

Posted by: Guest on May-18-2020

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