Various Return Types From MVC Controller
System.Web.Mvc.ContentResult.
System.Web.Mvc.EmptyResult.
System.Web.Mvc.FileResult.
System.Web.Mvc.HttpStatusCodeResult.
System.Web.Mvc.JavaScriptResult.
System.Web.Mvc.JsonResult.
System.Web.Mvc.RedirectResult.
System.Web.Mvc.RedirectToRouteResult.