Web.config 和 App.config 区别

web.config is used with web applications. web.config will by default have several configurations required for the web application. You can have a web.config for each folder under your web application.

app.config is used for windows applications. When you build the application in vs.net, it will be automatically renamed to <appname>.exe.config and this file has to be delivered along with your application.

You can use the same method to call the appsettings values from both config files :

System.Configuration.COnfigurationSettings.AppSettings["Key"]

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If you make any changes to the web.config, web application will immediately load the changed config. But in case of <application name>.exe.config, you have to restart the application.

 

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What about console applications? They don't seem to have an app.config file when I create such a project in Visual Studio. However, I'm working with the Logging Application Block sample apps, and the console ones have an app.config file. I don't know if that config file was manually created by whoever made the sample, or if it is supposed to be automatically added to the project somehow.

Simon.

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app.config is not automatically added. You can go to the solution explorer, select 'Add new item' and add the 'Application Configuration File'.
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I am not very sure about whether any other difference is there in both. From the notes i read i found that

An app.config file is called "app.config" because it is the configuration
file for an application, it cannot be used for a class library.
web.config is an ASP.Net app.config file
Both
enable application to have its own configuration.

Suppose for example you have a c# class library with app.config in your asp.net project with web.config then the project will refer only web.config as the project is an asp.net project though the project includes c# and app.config.

If you found some other details in this topic do forward me

to veenswats2006@yahoo.co.in

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