Null Reference Exception during Fluent NHibernate Configuration from App.Config File

问题

Scenario: See Heading.

Description: Please See Screenshot.

Alternative: Tried using appsettings too

.ConnectionString(c=>c.FromAppSetting(conStr)))

Same error for this one too.

来源：https://stackoverflow.com/questions/11192842/null-reference-exception-during-fluent-nhibernate-configuration-from-app-config