Return NoContent from modals.

modules/blogging/src/Volo.Blogging.Web/Pages/Admin/Blogs/Create.cshtml.cs

@@ -33,11 +33,13 @@ namespace Volo.Blogging.Pages.Admin.Blogs
             return Page();
         }
 
-        public async void OnPostAsync()
+        public async Task<IActionResult> OnPostAsync()
         {
             var language = ObjectMapper.Map<BlogCreateModalView, CreateBlogDto>(Blog);
 
             await _blogAppService.Create(language);
+
+            return NoContent();
         }
 
 

modules/docs/src/Volo.Docs.Admin.Web/Pages/Docs/Admin/Projects/Create.cshtml.cs

@@ -42,13 +42,15 @@ namespace Volo.Docs.Admin.Pages.Docs.Admin.Projects
             }
         }
 
-        public async void OnPostAsync()
+        public async Task<IActionResult> OnPostAsync()
         {
             if (GithubProject != null)
             {
                 var dto = GetGithubProjectAsDto();
                 await _projectAppService.CreateAsync(dto);
             }
+
+            return NoContent();
         }
 
         public CreateProjectDto GetGithubProjectAsDto()

modules/docs/src/Volo.Docs.Admin.Web/Pages/Docs/Admin/Projects/Edit.cshtml.cs

@@ -44,13 +44,15 @@ namespace Volo.Docs.Admin.Pages.Docs.Admin.Projects
             }
         }
 
-        public async void OnPostAsync()
+        public async Task<IActionResult> OnPostAsync()
         {
             if (GithubProject != null)
             {
                 var dto = GetGithubProjectAsDto();
                 await _projectAppService.UpdateAsync(GithubProject.Id, dto);
             }
+
+            return NoContent();
         }
 
         public UpdateProjectDto GetGithubProjectAsDto()