%APPDATA% in connection string is not substituted for the actual folder?

Question

When using WPF and entity-framework I have an APP.CONFIG that looks like the following:

Answer 1

I have another option. We don't need to replace anything. I am using below connection string without any replace and it's working fine.

Main change is data source=(LocalDB)\MSSQLLocalDB;attachdbfilename=|DataDirectory|\ProjectManagementDB.mdf;integrated security=True;

I hope this will save someone.