What is the app config file?
The app.config file is a basic piece of the .NET Framework, yet I’ve seen several projects putting their configuration in other places (like plain text files or the registry). Unless you have a very good reason to do so, it’s more convenient and familiar to use the app.config file.
How do I add an app config file in Visual Studio?
An app.config file is automatically added to your project when you create a new application under the Windows Classic Desktop header in Visual Studio: When you open the file, there’s not much in it: You can start typing under the <configuration> section and Visual Studio’s Intellisense will provide you with the possible options:
Is it possible to read a resource from an app config?
The one thing to remember, is that reading in the app.config from a resource won't give you the same behavior as the normal app.config. You are basically reading it in and using it by hand. Show activity on this post.
What version of NET Core do I need for config file?
So, applicable .NET Core is 2.0. I would generally recommend your not using that section of the config file anyway. If you add your settings on the Settings page of the project properties then you can access them in code via Properties.Settings.Default.
Does app config get compiled into DLL?
If you don't want to expose values, make sure you have an app. config with deployment values (empty, 0, or something). The values WILL be compiled into the DLL as default values.
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.
Where are app config files stored?
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 the difference between app config and web 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 manage app config?
Application Configuration ManagementDefine baseline configurations. Define how your workloads run. ... Deal with environment variables. Manage environment variables across services and environments. ... Change through API/UI or CLI. ... Generate manifests with every deployment.
Does .NET core use app config?
Application configuration in ASP.NET Core is performed using one or more configuration providers. Configuration providers read configuration data from key-value pairs using a variety of configuration sources: Settings files, such as appsettings.
What is application config file?
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.
Where should config files be?
System-wide software often uses configuration files stored in /etc , while user applications often use a "dotfile" – a file or directory in the home directory prefixed with a period, which in Unix hides the file or directory from casual listing. Some configuration files run a set of commands upon startup.
What is a exe config file?
config file. The WebSupportServer.exe. config file is used to configure elements such as the user names, navigation tree, and the search stack. This file is typically installed in the c:\Program Files\Stellent\WSS .
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.
Can class library have app config?
No, class libraries can hold setting files, but their values will be defined in the application configuration (web. config, app.
How many app config file in ASP.NET application?
Application configuration files Executable–hosted app. These apps have two configuration files: a source configuration file, which is modified by the developer during development, and an output file that is distributed with the app.
What does app configuration mean?
App Configurations Explained App developers may define custom properties, or configuration fields, that can be used to tailor the operation and behavior of an App to the specific needs of a given company or project.
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.
Do I need ConfigAPK?
Many users think the ConfigAPK app is a virus because of its name. The fact that it's not easy to find may also seem suspicious. However, it's a vital part of your phone, and won't cause any harm.
When should I use AppConfig?
When deploying configuration changes to your targets, AWS AppConfig enables you to minimize risk by using a deployment strategy. You can use the rate controls of a deployment strategy to determine how fast you want your application targets to retrieve a configuration change.
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 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.
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 assembly binding?
The assemblyBinding tag is another tag you will encounter easily. In short, it allows you to point to a certain version of an assembly, even when a different version is required. Again, this is out of the scope of this article, but the documentation should help you further.
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:
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.
When was ConfigurationManager.AppSettings added to.NET Core?
The documentation also indicates that ConfigurationManager.AppSettings wasn't added to .NET Core until version 3.0. What's up with that?
Does.NET Core 2.0 work?
I just downgraded my .NET Core project to 2.0 and ran it again and it worked again. It's worth noting that the NuGet package that was added was version 5.0.0 and the earliest version available is 4.4.0. Version 4.4.1 specifically mentions dependencies for .NET Core 2.0 but later versions do not. They do mention .NET Standard though and, if I remember correctly, .NET Core 2.0 does implement .NET Standard 2.0. Anyway, it works for me targeting .NET Core 2.0, but that is in VS 2019.
What is the default comparer?
The comparer determines whether two keys are equal. The default comparer is a CaseInsensitiveComparer
Is app.config case sensitive?
App settings are case sensitive. The app.config has "key0", but you are trying to find "Key0".
Is application settings available in.NET Core?
It appears that application settings are not available in .NET Core Console Application projects, so you can scratch that suggestion.
