public static void InitializeDb(this IServiceProvider serviceProvider)
        {
            var scopeFactory = serviceProvider.GetRequiredService<IServiceScopeFactory>();
            using (var scope = scopeFactory.CreateScope())
            {
                var identityDbInitializer = scope.ServiceProvider.GetService<IIdentityDbInitializer>();
                identityDbInitializer.Initialize();
                identityDbInitializer.SeedData();
            }
        }

public BlogViewModel GetBlogByIdForPublicView(int blogId)
{
    var result = _blogs
        .ProjectTo<BlogViewModel>()
        .First(a => a.Id == blogId);
    result.Item1 = ... get some item from db;
    result.Item2 = ... get another item from db; 
    return result;
}

   ...
   at System.Data.Entity.Infrastructure.IDbAsyncEnumerableExtensions.<FirstOrDefaultAsync>d__25`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   ...
   at MyApplication.ServiceLayer.EfServices.Content.BlogService.<GetBlogByIdForPublicViewAsync>d__24.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   ...
   at MyApplication.Controllers.BlogController.<Details>d__87.MoveNext()
--- End of stack trace from previous location where exception was thrown ---

public async Task<BlogViewModel> GetBlogByIdForPublicViewAsync(int blogId)
{
    var result = await _blogs
        .ProjectTo<BlogViewModel>()
        .FirstOrDefaultAsync(a => a.Id == blogId);
    return result;
}

public virtual async Task<ActionResult> Details(int id)
{
    var blog = await _blogService.GetBlogByIdForPublicViewAsync(id);
    return View("Details", blog);
}

routes.MapRoute(
    "SiteMap",
    "sitemap.xml",
    new { controller = "SiteMap", action = "Index", name = UrlParameter.Optional }
);

  routes.RouteExistingFiles = true; 
routes.MapRoute(
    "SiteMap",
    "sitemap.xml",
    new { controller = "SiteMap", action = "Index", name = UrlParameter.Optional }
);

<url>
<loc>http://localhost:3989/T4MVC_Blog/Index</loc>
<lastmod>2017-04-09T19:07:41.5751733Z</lastmod>
<changefreq>Always</changefreq>
<priority>0.5</priority>
</url>

<url>
<loc>http://localhost:3989/Blog/Index</loc>
<lastmod>2017-04-09T19:07:41.5751733Z</lastmod>
<changefreq>Always</changefreq>
<priority>0.5</priority>
</url>

public string RedirectUrl {get; set; }

...
if(cache[hasValue] != null) {
      filterContext.Controller.ViewData.ModelState.AddModelError("...", ...);
      filterContext.HttpContext.Response.Redirect(RedirectUrl);
}

    function test() {
            $.ajax({
                url: "/CONTROLLER/ACTIONMETHOD",
                type: "GET"
            })
            .done(function (partialViewResult) {
                $("#cats").html(partialViewResult);
            });
    }

    function LoadCt() {
        $('#myModal').modal('hide');
        $.ajax({
            type: "POST",
            url: "/CONTROLLER/ACTIONMETHOD",
            data: JSON.stringify(),
            contentType: "application/json; charset=utf-8",
            dataType: "html",
            complete: function (xhr, status) {
                var data = xhr.responseText;
                $('cats').html(data);
            }
        });
    }

        public ActionResult ACTIONMETHOD()
        {
            var model = stuff from _db;
            return PartialView("_Get", model);
        }