Part of the C# 5.0 All-in-One For Dummies Cheat Sheet
A whole namespace of classes is designed to configure applications written in any .NET language, such as C#, VB.NET, or any one of several others. The objects within it are, to say the least, a bit tough to navigate. The configuration in .NET applications takes place in a .config file. This XML formatted file has a <configuration> node, and a whole slew of project specific nodes within. Getting a reference to the configuration requires a call to OpenExeConfiguration.
System.Configuration.Configuration config = ConfigurationManager.OpenExeConfiguration();
Once that is done, getting a reference to a section is pretty straightforward. The GetSection method just takes a string that is the node name, and because the config file is just text, you can grab it anytime.
var sectionName = “Whatever!”; System.Configuration.AppSettingsSection section = (System.Configuration.AppSettingsSection) config.GetSection(sectionName);
You can add sections to the config file using the XML manipulation tools in the framework. You can use a preset group on sections for the corresponding functionality.
|Startup||Describes the .NET version to use.|
|Runtime||Lists the .NET elements to bind to the executable.|
|Network||Describes proxy and other network settings.|
|Cryptography||A place to keep accessible values referencing crypto resources|
|Configuration||The most used section. It’s where you keep custom sections of the config file.|
|Trace/Debug||Two settings that allow you to set up tracing and logging.|
|Application Settings (appsettings)||Application scoped things like database connection strings.|
|Web Settings (websettings)||ASP.NET specific details.|