Automatically localize display name for model properties (without Display attribute).

framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/AbpDataAnnotationAutoLocalizationMetadataDetailsProvider.cs

@@ -0,0 +1,50 @@
+using System;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using Microsoft.AspNetCore.Mvc.DataAnnotations;
+using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Localization;
+using Microsoft.Extensions.Options;
+
+namespace Volo.Abp.AspNetCore.Mvc
+{
+    public class AbpDataAnnotationAutoLocalizationMetadataDetailsProvider : IDisplayMetadataProvider
+    {
+        private readonly Lazy<IStringLocalizerFactory> _stringLocalizerFactory;
+        private readonly Lazy<IOptions<MvcDataAnnotationsLocalizationOptions>> _localizationOptions;
+
+        public AbpDataAnnotationAutoLocalizationMetadataDetailsProvider(IServiceCollection services)
+        {
+            _stringLocalizerFactory = services.GetRequiredServiceLazy<IStringLocalizerFactory>();
+            _localizationOptions = services.GetRequiredServiceLazy<IOptions<MvcDataAnnotationsLocalizationOptions>>();
+        }
+
+        public void CreateDisplayMetadata(DisplayMetadataProviderContext context)
+        {
+            var displayMetadata = context.DisplayMetadata;
+
+            if (displayMetadata.DisplayName != null)
+            {
+                return;
+            }
+
+            var attributes = context.Attributes;
+            var displayAttribute = attributes.OfType<DisplayAttribute>().FirstOrDefault();
+            var displayNameAttribute = attributes.OfType<DisplayNameAttribute>().FirstOrDefault();
+
+            if (displayAttribute != null || displayNameAttribute != null)
+            {
+                return;
+            }
+
+            var containerType = context.Key.ContainerType ?? context.Key.ModelType;
+            var localizer = _localizationOptions.Value.Value.DataAnnotationLocalizerProvider(containerType, _stringLocalizerFactory.Value);
+            if (context.Key.Name == "BirthDate")
+            {
+                displayMetadata.DisplayName = () => localizer[context.Key.Name];
+            }
+        }
+    }
+}

framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/AbpMvcOptionsExtensions.cs

@@ -15,6 +15,7 @@ namespace Volo.Abp.AspNetCore.Mvc
             AddConventions(options, services);
             AddFilters(options);
             AddModelBinders(options);
+            AddMetadataProviders(options, services);
         }
 
         private static void AddConventions(MvcOptions options, IServiceCollection services)
@@ -34,5 +35,12 @@ namespace Volo.Abp.AspNetCore.Mvc
         {
             //options.ModelBinderProviders.Add(new AbpDateTimeModelBinderProvider());
         }
+
+        private static void AddMetadataProviders(MvcOptions options, IServiceCollection services)
+        {
+            options.ModelMetadataDetailsProviders.Add(
+                new AbpDataAnnotationAutoLocalizationMetadataDetailsProvider(services)
+            );
+        }
     }
 }

framework/test/Volo.Abp.AspNetCore.Mvc.Tests/Volo/Abp/AspNetCore/App/LocalizationTestController.cs

@@ -19,7 +19,7 @@ namespace Volo.Abp.AspNetCore.App
 
         public class PersonModel
         {
-            [Display(Name = nameof(BirthDate))]
+            //[Display(Name = nameof(BirthDate))]
             public string BirthDate { get; set; }
 
             public PersonModel()