C# IConfiguration Injection Comprehension (AI)
C# IConfiguration Injection Comprehension (AI)
In C#, IConfiguration is an interface for managing configuration data in an application. It is part of .NET Core (now called .NET 5+) and ASP.NET Core, and is used to easily read and use configuration information such as database connection strings, API keys, log settings, and more. The IConfiguration interface is a key part of dependency injection, which allows you to inject configuration data into other components in your application. With Dependency Injection, you can pass IConfiguration instances to classes and services that need configuration data, without directly reading configuration files or configuration data everywhere. Here are the general steps for IConfiguration injection: Configuration file: First, you need to create a configuration file, such as appsettings.json. In this file, you can specify key-value pairs, where the key represents the name of the configuration item and the value represents the value of the configuration item. For example: json { “AppSettings”: { “ConnectionString”: “Server=myserver;Database=mydb;User=myuser;Password=mypassword;”, “LogLevel”: “Information” } } Register IConfiguration: When the application starts, IConfiguration needs to be registered in the dependency injection container. In ASP.NET Core, registration is usually done in the ConfigureServices method of the Startup.cs file: csharp using Microsoft.Extensions.Configuration; // … public void ConfigureServices(IServiceCollection services) { IConfiguration configuration =…