-There are total nine return types we can use to return results from controller to view.
-The base type of all these result types is ActionResult.
1. ViewResult (View) : This return type is used to return a webpage from an action method.
2. PartialviewResult (Partialview) : This return type is used to send a part of a view which will be rendered in another view.
3. RedirectResult (Redirect) : This return type is used to redirect to any other controller and action method depending on the URL.
4. RedirectToRouteResult (RedirectToAction, RedirectToRoute) : This return type is used when we want to redirect to any other action method.
5. ContentResult (Content) : This return type is used to return HTTP content type like text/plain as the result of the action
6. jsonResult (json) : This return type is used when we want to return a JSON message.
7. javascriptResult (javascript) : This return type is used to return JavaScript code that will run in browser.
8. FileResult (File) : This return type is used to send binary output in response.
9. EmptyResult : This return type is used to return nothing (void) in the result.