Could not load file or assembly “System.ValueTuple, Version=0.0.0.0” or one of its dependencies

Question

I tried to update my project to .NET Standard 2.0 and during testing I got catch an exception:

System.IO.FileLoadException: \'Could not load file or a

Answer 1

I solved this problem by enabling Automatic Binding Redirection in my .NET Framework 4.7 project (that references .NET Standard 2.0 library). Binding redirection can be enabled by manually editing project's .csproj file and addind following snippet a child of Project element:

  true
  true

Visual Studio then during build generates neccessary assembly redirections to project's app.config, similar to this:

allowing correct assembly to be loaded.