From 299b4282a760349306dabed2bbeae63882609be2 Mon Sep 17 00:00:00 2001
From: maliming <malimings@gmail.com>
Date: Wed, 1 Apr 2026 15:09:28 +0800
Subject: [PATCH] fix: Adjust route constraint to handle URL generation without
 HttpContext and update route order for Razor Pages

---
 .../AspNetCore/Mvc/Localization/AbpCultureRouteConstraint.cs | 5 +++--
 .../Mvc/Localization/AbpCultureRoutePagesConvention.cs       | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/Localization/AbpCultureRouteConstraint.cs b/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/Localization/AbpCultureRouteConstraint.cs
index 34887f048d..fe12bac3ff 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/Localization/AbpCultureRouteConstraint.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/Localization/AbpCultureRouteConstraint.cs
@@ -23,11 +23,12 @@ public class AbpCultureRouteConstraint : IRouteConstraint
         }
 
         var languages = httpContext?.RequestServices
-            .GetRequiredService<IOptions<AbpLocalizationOptions>>().Value.Languages;
+            .GetService<IOptions<AbpLocalizationOptions>>()?.Value.Languages;
 
         if (languages == null || languages.Count == 0)
         {
-            return false;
+            // During URL generation, HttpContext or services may not be available.
+            return routeDirection == RouteDirection.UrlGeneration;
         }
 
         return languages.Any(l =>
diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/Localization/AbpCultureRoutePagesConvention.cs b/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/Localization/AbpCultureRoutePagesConvention.cs
index c8932720bc..9410562f33 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/Localization/AbpCultureRoutePagesConvention.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/Localization/AbpCultureRoutePagesConvention.cs
@@ -34,7 +34,7 @@ public class AbpCultureRoutePagesConvention : IPageRouteModelConvention
                 AttributeRouteModel = new AttributeRouteModel
                 {
                     Template = AttributeRouteModel.CombineTemplates(CultureRouteTemplate, originalTemplate),
-                    Order = 1
+                    Order = -1
                 }
             });
         }