ASP.NET Core Request Localization Options

ASP.NET Core Request Localization Options

In ASP.NET Core, you can enable request localization to handle localized requests and generate localized responses. Here are the common options you can configure to control request localization:

  • Supported Cultures: Specify the list of supported cultures (languages) that your application can handle. This can be set using the RequestLocalizationOptions.SupportedCultures property.
services.Configure<RequestLocalizationOptions>(options =>
{
    options.SupportedCultures = new[] { new CultureInfo("en-US"), new CultureInfo("fr-FR") };
});
  • Supported UI Cultures: Specify the list of supported UI cultures (languages) that your application can display. This can be set using the RequestLocalizationOptions.SupportedUICultures property.
services.Configure<RequestLocalizationOptions>(options =>
{
    options.SupportedUICultures = new[] { new CultureInfo("en-US"), new CultureInfo("fr-FR") };
});
  • Default Culture: Specify the default culture (language) that your application should use if no other culture is specified. This can be set using the RequestLocalizationOptions.DefaultRequestCulture property.
services.Configure<RequestLocalizationOptions>(options =>
{
    options.DefaultRequestCulture = new RequestCulture("en-US");
});
  • Request Culture Providers: Specify one or more request culture providers to determine the culture (language) to use for each request. This can be set using the RequestLocalizationOptions.RequestCultureProviders property.
services.Configure<RequestLocalizationOptions>(options =>
{
    options.RequestCultureProviders = new[] 
    {
        new QueryStringRequestCultureProvider(),
        new CookieRequestCultureProvider()
    };
});
  • Fall Back To Parent Cultures: Specify whether to fall back to parent cultures if a requested culture is not supported. This can be set using the RequestLocalizationOptions.FallBackToParentCultures property.
services.Configure<RequestLocalizationOptions>(options =>
{
    options.FallBackToParentCultures = true;
});
  • Fall Back To Default Culture: Specify whether to fall back to the default culture if a requested culture is not supported. This can be set using the RequestLocalizationOptions.FallBackToDefaultCulture property.
services.Configure<RequestLocalizationOptions>(options =>
{
    options.FallBackToDefaultCulture = true;
});

By configuring these options, you can control how your ASP.NET Core application handles localized requests and generates localized responses.

Examples

  1. "ASP.NET Core Configure Request Localization"

    • Description: Learn how to configure request localization in ASP.NET Core.
    • Code Implementation:
      // In ConfigureServices method of Startup.cs
services.AddLocalization(options => options.ResourcesPath = "Resources");

services.Configure<RequestLocalizationOptions>(options =>
{
    var supportedCultures = new[]
    {
        new CultureInfo("en-US"),
        new CultureInfo("fr-FR"),
    };

    options.DefaultRequestCulture = new RequestCulture("en-US");
    options.SupportedCultures = supportedCultures;
    options.SupportedUICultures = supportedCultures;
});

  2. "ASP.NET Core Set Default Culture in Request Localization"

    • Description: Set the default culture for request localization in ASP.NET Core.
    • Code Implementation:
      // In ConfigureServices method of Startup.cs
services.Configure<RequestLocalizationOptions>(options =>
{
    options.DefaultRequestCulture = new RequestCulture("en-US");
});

  3. "ASP.NET Core Add Supported Cultures in Request Localization"

    • Description: Add supported cultures for request localization in ASP.NET Core.
    • Code Implementation:
      // In ConfigureServices method of Startup.cs
services.Configure<RequestLocalizationOptions>(options =>
{
    var supportedCultures = new[]
    {
        new CultureInfo("en-US"),
        new CultureInfo("fr-FR"),
    };

    options.SupportedCultures = supportedCultures;
    options.SupportedUICultures = supportedCultures;
});

  4. "ASP.NET Core Request Localization Query String Parameter"

    • Description: Enable request localization using query string parameters in ASP.NET Core.
    • Code Implementation:
      // In ConfigureServices method of Startup.cs
services.Configure<RequestLocalizationOptions>(options =>
{
    options.RequestCultureProviders.Insert(0, new QueryStringRequestCultureProvider());
});

  5. "ASP.NET Core Request Localization Cookie Provider"

    • Description: Configure request localization using a cookie provider in ASP.NET Core.
    • Code Implementation:
      // In ConfigureServices method of Startup.cs
services.Configure<RequestLocalizationOptions>(options =>
{
    options.RequestCultureProviders.Insert(0, new CookieRequestCultureProvider());
});

  6. "ASP.NET Core Request Localization Header Provider"

    • Description: Configure request localization using a header provider in ASP.NET Core.
    • Code Implementation:
      // In ConfigureServices method of Startup.cs
services.Configure<RequestLocalizationOptions>(options =>
{
    options.RequestCultureProviders.Insert(0, new HeaderRequestCultureProvider());
});

  7. "ASP.NET Core Request Localization URL Path"

    • Description: Configure request localization using URL path segments in ASP.NET Core.
    • Code Implementation:
      // In ConfigureServices method of Startup.cs
services.Configure<RequestLocalizationOptions>(options =>
{
    options.RequestCultureProviders.Insert(0, new UrlPathSegmentRequestCultureProvider());
});

  8. "ASP.NET Core Request Localization Custom Provider"

    • Description: Implement a custom request culture provider for request localization in ASP.NET Core.
    • Code Implementation:
      // Custom RequestCultureProvider
public class MyCustomRequestCultureProvider : IRequestCultureProvider
{
    // Implement the interface methods
    // ...
}

// In ConfigureServices method of Startup.cs
services.Configure<RequestLocalizationOptions>(options =>
{
    options.RequestCultureProviders.Insert(0, new MyCustomRequestCultureProvider());
});

  9. "ASP.NET Core Request Localization Resource Files"

    • Description: Use resource files for localized content in ASP.NET Core request localization.
    • Code Implementation:
      // In ConfigureServices method of Startup.cs
services.AddLocalization(options => options.ResourcesPath = "Resources");

services.Configure<RequestLocalizationOptions>(options =>
{
    var supportedCultures = new[]
    {
        new CultureInfo("en-US"),
        new CultureInfo("fr-FR"),
    };

    options.DefaultRequestCulture = new RequestCulture("en-US");
    options.SupportedCultures = supportedCultures;
    options.SupportedUICultures = supportedCultures;
});

  10. "ASP.NET Core Request Localization Route Data"

    • Description: Configure request localization using route data in ASP.NET Core.
    • Code Implementation:
      // In ConfigureServices method of Startup.cs
services.Configure<RequestLocalizationOptions>(options =>
{
    options.RequestCultureProviders.Insert(0, new RouteDataRequestCultureProvider());
});

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