Feb 9, 2026 · Given one or more configuration sources, the IConfiguration type provides a unified view of the configuration data. Configuration is read-only, and the configuration pattern isn't designed to …

Since .NET 2.0, I had been using ConfigurationManager.AppSettings["emailAddress"]. However, I'm now trying to learn how to do it the new way via IConfiguration. My problem is, this is a class library. …

Sep 11, 2025 · The most commonly used configuration file is appsettings.json, and the main way to read these settings in your application is through IConfiguration. In this article, we will explain in simple …

Apr 3, 2025 · IConfiguration is the main interface for working with configuration in ASP.NET. It provides methods to read configuration values as strings, numbers, or complex objects.

Jan 16, 2026 · In .NET, the IConfiguration interface simplifies accessing these settings from sources like appsettings.json, environment variables, command-line arguments, and more.

Sep 5, 2025 · Ultimate Guide to Configuration in .NET Core: IConfiguration, IOptions, and Strongly Typed Access We have multiple ways to read the configuration from appsettings.json or other …

/// Represents a set of key/value application configuration properties. /// Gets or sets a configuration value. /// Gets a configuration sub-section with the specified key. /// This method will never return …

Aug 29, 2023 · In this article, we will explore how to get JSON array using IConfiguration with GetSection, GetChildren, and Get methods in ASP.NET Core

Nov 18, 2025 · This blog dives into why binding `IConfiguration` to records fails, solutions to the parameterless constructor problem, and when records are (or aren’t) suitable for configuration.

Dec 13, 2021 · Microsoft has replaced System.Configuration class with IConfiguration interface in .Net Core 2.0 onwards and this article will illustrate how to use IConfiguration interface in ASP.Net Core.