For those action type which derive from ActionResult
| Name | Result |
| ContentResult | String literal |
| EmptyResult | None |
| FileContentResult/ FilePathResult/ FileStreamResult | Contents of a file |
| HttpUnauthorizedResult | HTTP 403 |
| JavaScriptResult | Script to execute |
| JsonResult | JSON format |
| RedirectResult | Redirects to a new URL |
| RedirectToRouteResult | Redirect to another action |
| ViewResult/ PartialViewResult | View |
Use ActionName attribute to give action an alias name.
Use AcceptVerbs attribute to define action(“Httpverbs.Post” or "Httpverbs.HttpGet”)
Action Filters
| Name | Result |
| Authorize | Only allow authorized users or roles |
| HandleError | When unhandled exception occurred, specify a view |
| OutputCache | Cache the output |
| ValidateInput | Turn off request validation |
| ValidateAntiForgeryToken | Prevent cross site request |
If you need something to be executed when any action was triggered, create a new customize attribute and derive from ActionFilterAttribute.
The ActionFilter could be put to Golbal.asax file to make it global, so this way could avoid to put it everywhere in the code.
Switch from C# mode to HTML in Razor: Use TEXT tag or “@:”.
Use ChildActionOnly attribute to stop user to invoke the action from URL and gain the benefit from PartialView at the same time.