Where is Request.IsAjaxRequest() in Asp.Net Core MVC?

Question

To learn more about the new exciting Asp.Net-5 framework, I\'m trying to build a web application using the newly released Visual Studio 2015 CTP-6.

Most things looks

Answer 1

For those who are working on ASP.Net Core

HttpContext.Request.Headers["X-Requested-With"] == "XMLHttpRequest";

Example
Controller.cs

bool isAjax = HttpContext.Request.Headers["X-Requested-With"] == "XMLHttpRequest";

if (isAjax)
   return Json(new { redirectTo = Url.Action("Index", "ControllerAction") });
else
   return RedirectToAction("Index", "ControllerAction");