Master the concepts of Globalization and Localization to build multilingual applications in ASP.NET Core.
Introduction
Globalization and Localization are essential concepts for developing applications that cater to a diverse, global audience. In this guide, we will explore how ASP.NET Core facilitates multilingual support using Globalization and Localization features. By the end, you’ll be equipped to implement these concepts effectively in your projects.
What are Globalization & Localization?
Globalization is the process of designing applications to support different cultures, regions, and languages. It involves preparing your app to handle various cultural formats, including dates, currencies, and numbers.
Localization, on the other hand, refers to customizing an application for a specific culture or language by translating its text and adjusting other region-specific settings.
The following diagram illustrates Globalization & Localization in ASP.NET Core:
Why Globalization & Localization Matter
Implementing Globalization and Localization helps you:
- Reach a broader audience by offering language-specific content.
- Improve user experience by respecting cultural norms and preferences.
- Ensure compliance with regional regulations and standards.
Setting up Globalization & Localization in ASP.NET Core
ASP.NET Core offers built-in support for Globalization and Localization. Here's how you can set it up:
1. Add NuGet Package
Ensure your project includes the Microsoft.AspNetCore.Localization package.
2. Configure Services
In the Startup.cs file, add the Localization services in the ConfigureServices method:
services.AddLocalization(options =< options.ResourcesPath = "Resources");
services.Configure<RequestLocalizationOptions>(options =>
{
var supportedCultures = new[] { "en-US", "fr-FR", "es-ES" };
options.DefaultRequestCulture = new RequestCulture("en-US");
options.SupportedCultures = supportedCultures.Select(c => new CultureInfo(c)).ToList();
options.SupportedUICultures = supportedCultures.Select(c => new CultureInfo(c)).ToList();
});
Using Resource Files for Localization
Resource files store localized text for different cultures. Create a Resources folder and add a resource file for each language, such as:
HomeController.en.resxHomeController.fr.resxHomeController.es.resx
Each file should contain key-value pairs for localized strings.
Configuring Culture Settings
Set the application's culture using the RequestLocalizationMiddleware. Update the Startup.cs file:
app.UseRequestLocalization(app.ApplicationServices.GetRequiredService<IOptions<RequestLocalizationOptions>>().Value);
Localization Middleware
The Localization Middleware inspects the user's request to determine the preferred culture and applies it throughout the application.
Best Practices for Globalization
- Use culture-invariant data formats when storing or transmitting data.
- Design the UI to accommodate text expansion in different languages.
- Test your application in various cultures and regions.
Best Practices for Localization
- Centralize translations in resource files.
- Avoid hardcoding text in views and controllers.
- Work with professional translators to ensure accuracy.
Conclusion
Globalization and Localization are vital for creating inclusive, user-friendly web applications. By leveraging ASP.NET Core’s built-in support, you can easily build applications that cater to a diverse audience. Implement the practices discussed here to ensure a seamless user experience across different cultures and languages.