How to find path of active app.config file?

Question

I\'m trying to finish this exception handler:

if (ConfigurationManager.ConnectionStrings[\"ConnectionString\"]==null)
{
    string pathOfActiveConfigFile = .         


        

Answer 1

Try this

AppDomain.CurrentDomain.SetupInformation.ConfigurationFile

Answer 2

I tried one of the previous answers in a web app (actually an Azure web role running locally) and it didn't quite work. However, this similar approach did work:

var map = new ExeConfigurationFileMap { ExeConfigFilename = "MyComponent.dll.config" };
var path = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None).FilePath;

The config file turned out to be in C:\Program Files\IIS Express\MyComponent.dll.config. Interesting place for it.