Created ServiceBasedPageModelActivatorProvider.

src/AbpDesk/AbpDesk.Web.Mvc/Pages/App/Tickets/Index.cshtml.cs

@@ -19,7 +19,6 @@ namespace AbpDesk.Web.Mvc.Pages.App.Tickets
 
         public async Task OnGetAsync(GetAllTicketsInput input)
         {
-            var uow = CurrentUnitOfWork;
             var result = await _ticketAppService.GetAll(input);
             Tickets = result.Items;
         }

src/AbpDesk/AbpDesk.Web.Mvc/Pages/Index.cshtml.cs

@@ -1,8 +1,8 @@
-using Microsoft.AspNetCore.Mvc.RazorPages;
+using Volo.Abp.AspNetCore.Mvc.RazorPages;
 
 namespace AbpDesk.Web.Mvc.Pages
 {
-    public class IndexModel : PageModel
+    public class IndexModel : AbpPageModel
     {
         public void OnGet()
         {

src/Volo.Abp.AspNetCore.Mvc/Volo.Abp.AspNetCore.Mvc.csproj

@@ -23,4 +23,8 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Versioning" Version="2.0.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="Volo\Abp\AspNetCore\Mvc\RazorPages\NewFolder\" />
+  </ItemGroup>
+
 </Project>

src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/RazorPages/AbpPageModel.cs

@@ -2,13 +2,14 @@
 using Microsoft.AspNetCore.Mvc.RazorPages;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
+using Volo.Abp.DependencyInjection;
 using Volo.Abp.Guids;
 using Volo.Abp.ObjectMapping;
 using Volo.Abp.Uow;
 
 namespace Volo.Abp.AspNetCore.Mvc.RazorPages
 {
-    public abstract class AbpPageModel : PageModel
+    public abstract class AbpPageModel : PageModel, ITransientDependency //TODO: Register PageModels by convention, instead of using ITransientDependency
     {
         public IUnitOfWorkManager UnitOfWorkManager { get; set; }
 

src/Volo.Abp.AspNetCore.Mvc/Volo/Abp/AspNetCore/Mvc/RazorPages/ServiceBasedPageModelActivatorProvider.cs

@@ -0,0 +1,23 @@
+using System;
+using JetBrains.Annotations;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.DependencyInjection;
+
+namespace Volo.Abp.AspNetCore.Mvc.RazorPages
+{
+    [Dependency(ReplaceServices = true)]
+    public class ServiceBasedPageModelActivatorProvider : IPageModelActivatorProvider, ITransientDependency
+    {
+        public Func<PageContext, object> CreateActivator([NotNull] CompiledPageActionDescriptor descriptor)
+        {
+            Check.NotNull(descriptor, nameof(descriptor));
+            return context => context.HttpContext.RequestServices.GetRequiredService(descriptor.ModelTypeInfo);
+        }
+
+        public Action<PageContext, object> CreateReleaser([NotNull] CompiledPageActionDescriptor descriptor)
+        {
+            return null;
+        }
+    }
+}

src/Volo.Abp.Identity.Web/Pages/Identity/Users/Index.cshtml.cs

@@ -1,8 +1,8 @@
-using Microsoft.AspNetCore.Mvc.RazorPages;
+using Volo.Abp.AspNetCore.Mvc.RazorPages;
 
 namespace Volo.Abp.Identity.Web.Pages.Identity.Users
 {
-    public class IndexModel : PageModel
+    public class IndexModel : AbpPageModel
     {
         public void OnGet()
         {