News:
The Server configuration will always override the Application configuration
The Application configuration will always override the Server configuration
The Server configuration will override the Application configuration if allowOverride is set to "false" in the settings in the Server configuration file
The Application configuration will override the Server configuration if allowOverride is set to "false" in the settings in the Server configuration file
Settings in child directories can optionally override or modify settings that are specified in parent directories. Useful resources, ASP.NET Configuration, ASP.NET Configuration Hierarchy