是否可以让多个服务或应用程序共享一个配置文件

Question

如果我有多个共享一个配置值的应用程序或服务（例如，它们都访问同一个数据库），有没有办法让它们共享一个配置文件而不必在每个配置中复制值？

Answer 1

You could use the machine.config file to define settings shared between all applications on this computer. For ASP.NET applications you could have a web.config file at the root of the file which overrides those machine.config values and have yet another level inside the virtual directory.

Answer 2

You can use the configSource attribute to point to a specific file.

Use the same file location from multiple .config files.

You can do this with multiple config sections, so one file for connection strings, one for app settings etc...

Answer 3

You can load config file programmatically

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