User44088339 posted
thanks for your your reply. I search classlib Project SharedData keyword in Google and I find an article which is exlain detailing this subject. He is used Package Reference (NuGet) technique for share Class Library. The other
methods is commonly used technique. These methods are Project Reference and DLL Reference. (NuGet) technique is best for me because when i add my shared library by using (NuGet) technique
Project is automatically recognised my shared dlls.
You can find this article in Google. Write "Creating your first shared library in .NET Core" keyword and search. Site name is devtrends and articles written by Paul Hiles.
I will try this technique on Monday.