Connection String

Using Json Config Connection Strings Resolver
Connection coming from appsettings.json which is typically done with .Net Core that uses the Microsoft.Extensions.ConfigurationConfigurationManager class.
Using AppDot Config Connection Strings Resolver
Connection String coming from app.config using using the Microsoft System.Configuration.ConfigurationManager class. This is common with the .NET 1 to 4.8 frameworks
Custom Connection String Resolver
How to implement your own Connection String Resolver