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what is app config file

by Lucio Smitham Published 3 years ago Updated 2 years ago
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App. Config is an XML file that is used as a configuration file for your application. In other words, you store inside it any setting that you may want to change without having to change code (and recompiling). It is often used to store connection strings.

Full Answer

What is an application configuration file?

Thank you. An application configuration file is an XML file used to control assembly binding. It can redirect an application from using one version of a side-by-side assembly to another version of the same assembly. This is called per-application configuration.

What is appconfig used for?

App.Config is an XML file that is used as a configuration file for your application. In other words, you store inside it any setting that you may want to change without having to change code (and recompiling). It is often used to store connection strings. See this MSDN article on how to do that.

What is the difference between web config and application config?

Web applications typically have a web.config, while Windows GUI/service applications have an app.config file. Application-level config files inherit settings from global configuration files like machine.config. Web also applications inherit settings from applicationHost.config. Connection strings have a predefined schema that you can use.

What is the purpose of config files?

It's thanks to config files that any time you launch an application, it has "memories" of how you like to use it. Configuration files can be, and often are, very simple in structure.

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Do I need app config?

config are only required, if you have coded your application in such a way that it is explicitly dependent on it. If you have not done this, or have put error handling/default values or actions in place where it can't read the config file, one would assume your application could run without it.

Where is app config file located?

The application configuration file usually lives in the same directory as your application. For web applications, it is named Web. config. For non-web applications, it starts life with the name of App.

What is app config file in MVC?

config file is what web application use where a desktop application uses app. config , and it's a good place to put application specific information. Thanks, it seems much like in a Desktop app.

What is difference between web config and app config?

config is parsed at runtime, so if you edit the web. config file, the web application will automatically load the changes in the config file. app. config is parsed at compile time, so if you edit the app.

How do I view a config file?

Programs that open CONFIG filesFile Viewer Plus.Microsoft Visual Studio 2022.Adobe Dreamweaver 2021.Microsoft Notepad. Included with OS.Microsoft WordPad. Included with OS.

What config file contains?

A configuration file, often shortened to config file, defines the parameters, options, settings and preferences applied to operating systems (OSes), infrastructure devices and applications in an IT context.

How many configuration files are there in MVC?

You can have 1 Web. config file per folder . So in your root you can have a web. config and in a subfolder you can have another one that overrides settings from the one in the root.

Is app config compiled into EXE?

Now you might be wondering what happens behind the scenes. Well, when you compile your application, the compiler actually copies the app. config file to the output folder, but gives it another name: When you start your application (ConsoleApp1.exe in our example), the matching config file will be loaded too.

What is config file in C#?

A configuration file (web. config) is used to manage various settings that define a website. The settings are stored in XML files that are separate from your application code. In this way you can configure settings independently from your code. Generally a website contains a single Web.

How does app config work?

App. Config is an XML file that is used as a configuration file for your application. In other words, you store inside it any setting that you may want to change without having to change code (and recompiling). It is often used to store connection strings.

What is the purpose of web config file?

A web. config file is a Windows file that lets you customize the way your site or a specific directory on your site behaves. For example, if you place a web. config file in your root directory, it will affect your entire site (www.coolexample.com).

Is web config mandatory?

Yes, we can run an Asp.Net web application without web. config file but without in debugging mode. If we don't configure any settings in web. config file then it consider machine.

How do I add file path to app config?

AppSettings["Path"] - it will be a string ....Besides these two, you also need a reference to the assembly.Right click on References in Solution Explorer .Click Add Reference .Click on Assemblies and type Configuration in the search box.Put a check mark on System. Configuration .

How do I open Visual Studio app config?

In Solution Explorer, right-click the project node, and then select Add > New Item. The Add New Item dialog box appears. Expand Installed > Visual C# Items. In the middle pane, select the Application Configuration File template.

How do I create a config file?

Creating a build configCreate the build config file. In your project root directory, create a file named cloudbuild. ... Add the steps field. ... Add the first step. ... Add step arguments. ... Add more steps. ... Include additional build configuration fields.

What is configuration settings?

Definition(s): The set of parameters that can be changed in hardware, software, or firmware that affect the security posture and/or functionality of the information system.

What is application configuration?

It can redirect an application from using one version of a side-by-side assembly to another version of the same assembly. This is called per-application configuration. An application configuration file applies only to a specific application manifest and dependent assemblies. Isolated components compiled with an embedded ISOLATIONAWARE_MANIFEST_RESOURCE_ID manifest require a separate application configuration file. Manifests managed with CreateActCtx require a separate application configuration file.

Where are application configuration files installed?

Application configuration files must be installed in the same location as the application's application manifest.

What is the first subelement in a configuration file?

The first subelement must be an assemblyIdentity element that identifies the side-by-side assembly being redirected by the application configuration file. A dependentAssembly has no attributes.

What is assembly identity?

As the first subelement of a dependentAssembly element, assemblyIdentity describes a side-by-side assembly on which the application depends. The application configuration file reconfigures the identity of this required assembly. For example, the following assemblyIdentity and bindingRedirect reconfigures a dependency on Microsoft.Windows.SampleAssembly from version 2.0.0.0 to version 2.1.0.0.

Do application configuration files specify files?

Application configuration files do not specify files.

Does every assembly identity match the assembly identity in the assembly manifest?

Note that every assemblyIdentity included in a dependentAssembly must exactly match the assemblyIdent ity in the assembly's own assembly manifest.

Can a configuration file be included in a Windows subelement?

The author of an application should not include a configuration file with a windows subelement as part of their application. This may be permitted if the configuration file's only purpose is to enable the privatePath functionality of a probing element.

What is app.config in Visual Studio?

When you create a (non-web) .NET Framework application in Visual Studio, an app.config file is added to your project. When you create a class library or a .NET Core project, such a file is not included, although it can be done afterward.

What is custom configuration section?

Custom configuration sections give the class library author the solution to this. When the author has set it all up correctly, the developer using the library can add something like this to the app.config file:

What is system.serviceModel tag?

Another example is the system.serviceModel tag, which is the place to configure any connections to WCF services.

What is the problem with AppSettings?

A possible problem with AppSettings is that we will get back a string. Yet in the above example, we’re clearly working with an integer. We will have to parse the value for it to be more meaningful. Another issue is that there is no compile-time checking that we entered the correct key, as it is just a string.

Is page appearance more complex than appsettings?

You can see that the pageAppearance is more complex than the simple AppSettings or Settings sections can handle.

Does a class library have an app.config file?

As I mentioned at the beginning of this article, a class library doesn’t contain an app.config file. But sometimes, the author of a class library might want to allow other developers to configure certain parts of the library in the host’s app.config file.

Does working with the settings system alter your app.config?

Working with the Settings system will also alter your app.config. In the above example, our app.config now includes this:

What is application configuration?

Application configuration files contain settings specific to an application. This file contains configuration settings that the common language runtime reads (such as assembly binding policy, remoting objects, and so on), and settings that the application can read.

Where is the config file stored?

The config file is optional, if it does not exist environments such as ASP.NET will fall back to the machine.config file stored in the .NET system directories to get machine wide defaults.

What happens if you don't have a config file?

If you don't have the config file, it uses the default values from the designer. However, the config file allows users/administrators to easily change settings - such as the server you talk to, themes, etc. If you don't have the file, where would you expect those settings to be stored?

Does.NET automatically load config files?

The .Net framework will automatically load a config file with the exe-name.config.

What does settings.settings generate?

Settings.settings generates Settings.Designer.cs which presumably generates app.config which then is copied to output directory as Foo.exe.config. When I distribute the application without the config

What is a configuration file?

Configuration files can be, and often are, very simple in structure. For instance, if you were to write an application, and the only thing it ever needed to know was its user's preferred name, then its one and only config file could contain exactly one word: the name of the user. For example:

Why are config files important?

They allow you to customize how you interact with an application or how an application interacts with the rest of your system. It's thanks to config files that any time you launch an application, it has "memories" of how you like to use it.

What is a YAML file?

YAML files are structured lists that can contain values or key and value pairs:

What format do you use for configuration?

If you must use a binary format for configuration, use one that already exists as an open standard, such as NetCDF.

Why is it important to store configurations?

Storing configurations is a flexible task because as long as developers know how their code puts data into a file, they can easily write code to extract that data as needed. However, the tech industry graciously favors well-documented standardization, so several well-known formats have evolved over the years to make configuration easy.

Where are the configuration files on my computer?

There are thousands of configuration files on your computer. You may never directly interact with the bulk of them, but they're scattered throughout your /etc folder and in ~/.config and ~/.local and /usr. There are probably some in /var and possibly even in /opt. If you've ever opened one by accident or to make a change, you may have wondered why some configuration files look one way while others look completely different.

Does configuration use a key?

Usually, though, an application needs to keep track of more than just one piece of information, so configuration often uses a key and a value:

What is an application configuration file?

An application configuration file contains settings that are specific to an app. This file includes configuration settings that the common language runtime reads (such as assembly binding policy, remoting objects, and so on), and settings that the app can read.

What is a configuration file in NET Framework?

Configuration files are XML files that can be changed as needed. An administrator can control which protected resources an application can access, which versions of assemblies an application will use, and where remote applications and objects are located. Developers can put settings in configuration files, eliminating the need to recompile an application every time a setting changes. This section describes what can be configured and why configuring an application might be useful.

Why put settings in machine configuration file?

However, putting the settings in the machine configuration file can make your system more maintainable. For example, if you have a third-party component that both your client and server application uses, it is easier to put the settings for that component in one place.

How to keep configuration file manageable?

To keep the machine configuration file manageable, it is best to put these settings in the application configuration file. However, putting the settings in the machine configuration file can make your system more maintainable. For example, if you have a third-party component that both your client and server application uses, it is easier to put the settings for that component in one place. In this case, the machine configuration file is the appropriate place for the settings, so you don't have the same settings in two different files.

How to specify configuration settings?

You specify configuration settings using predefined attributes, which are name/value pairs inside an element's start tag. The following example specifies two attributes ( version and href) for the <codeBase> element, which specifies where the runtime can locate an assembly (for more information, see Specifying an Assembly's Location ).

Where is the machine configuration file located?

This file is located in the % runtime install path %Config directory. Machine.config contains configuration settings for machine-wide assembly binding, built-in remoting channels, and ASP.NET.

What are the three types of configuration files?

This topic describes the syntax of configuration files and provides information about the three types of configuration files: machine, application, and security.

What is app.config file?

A file named app.config is added to your project.

Does UWP have an app.config file?

UWP apps don't contain an app.config file. When you build your project, the development environment automatically copies your app.config file, changes the file name of the copy to match your executable, and then moves the copy to the bin directory.

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1.What is App.config in C#.NET? How to use it? - Stack …

Url:https://stackoverflow.com/questions/13043530/what-is-app-config-in-c-net-how-to-use-it

6 hours ago  · App.Config is an XML file that is used as a configuration file for your application. In other words, you store inside it any setting that you may want to change without having to change code (and recompiling). It is often used to store connection strings. See this MSDN article on how to do that.

2.Application Configuration Files - Win32 apps | Microsoft …

Url:https://docs.microsoft.com/en-us/windows/win32/sbscs/application-configuration-files

33 hours ago  · An application configuration file is an XML file used to control assembly binding. It can redirect an application from using one version of a side-by-side assembly to another version of the same assembly.

3.Videos of What Is App Config File

Url:/videos/search?q=what+is+app+config+file&qpvt=what+is+app+config+file&FORM=VDRE

30 hours ago  · Application configuration files contain settings specific to an application. This file contains configuration settings that the common language runtime reads (such as assembly binding policy, remoting objects, and so on), and settings that the application can read.

4.App.Config: Basics and Best Practices - SubMain Blog

Url:https://blog.submain.com/app-config-basics-best-practices/

20 hours ago  · Why we need configuration. Configuration files ("config files" for short) are important to modern computing. They allow you to customize how you interact with an application or how an application interacts with the rest of your system. It's thanks to config files that any time you launch an application, it has "memories" of how you like to use it.

5..net - What is app.config for? - Stack Overflow

Url:https://stackoverflow.com/questions/1431742/what-is-app-config-for

35 hours ago  · Configure apps by using configuration files Configuration file format. Configuration files contain elements, which are logical data structures that set... Machine configuration files. The machine configuration file, Machine.config, contains settings that apply to an entire... Application ...

6.What is a config file? | Opensource.com

Url:https://opensource.com/article/21/6/what-config-files

18 hours ago  · configuration = ConfigurationManager.OpenExeConfiguration(@"EncyptDcryptConfigFile1\EncyptDcryptConfigFile1\app.config"); it made a file called "app.config.config". when I opened it, it had some kind of encryption presumably encrypted URI.

7.Configuring Apps by using Configuration Files - .NET …

Url:https://docs.microsoft.com/en-us/dotnet/framework/configure-apps/

27 hours ago App Config helps you manage settings for your application. It is a Node.js library, a CLI application, and a set of standards. App Config is suitable for Web Apps, Servers, CLI Applications, Mobile Apps and more. App Config is written in TypeScript, but it's designed for use in other languages. It can act as a consumer or producer of configuration values.

8.what is this "app.config.config" file?

Url:https://social.msdn.microsoft.com/Forums/lync/en-US/ac88d21c-9e89-4237-9730-a8d80d68d97d/what-is-this-appconfigconfig-file

23 hours ago  · By adding an application configuration file ( app.config file) to a C# project, you can customize how the common language runtime locates and loads assembly files. For more information about application configuration files, see How the …

9.How to add an app.config file to a project - Visual Studio …

Url:https://docs.microsoft.com/en-us/visualstudio/ide/how-to-add-app-config-file

21 hours ago  · configuration = ConfigurationManager.OpenExeConfiguration(@"EncyptDcryptConfigFile1\EncyptDcryptConfigFile1\app.config"); it made a file called "app.config.config". when I opened it, it had some kind of encryption presumably encrypted URI.

10.what is this "app.config.config" file?

Url:https://social.msdn.microsoft.com/Forums/en-US/ac88d21c-9e89-4237-9730-a8d80d68d97d/what-is-this-appconfigconfig-file?forum=csharpgeneral

16 hours ago

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