How to add vb.net4 dll in ASP.NET Core 6 Web API project and how to configure the appsetiings to establish the connection string

Question

I have added the DLL into my ASP.NET Core 6 Web API project, but I'm unable to get the data from referenced dll - please provide a solution.

How to establish connection between the referenced VB.net dll with my ASP.NET Core 6 Web API project?

And is vb.net4 framework supported by .NET 6?`