RedirectToAction

RedirectToAction is a method in ASP.NET MVC that allows a controller action to redirect the user's browser to a different action within the same or another controller. It is commonly used to avoid duplicate content, enforce workflow patterns, or handle form submissions by redirecting to a different view after the operation is complete.

When a controller action returns a RedirectToAction result, the server sends an HTTP 302 Found status code to the client's browser. This status code tells the browser to make a new request to the specified URL. The URL for the new request is constructed by the RedirectToAction method based on the provided controller name and action name. This can also include route values for passing parameters to the target action.

Using RedirectToAction is beneficial for several reasons. It separates the concerns of processing a request and displaying a result, adhering to the Post/Redirect/Get (PRG) pattern, which helps prevent issues like duplicate form submissions if the user refreshes the page after a POST operation. It also promotes code reusability and maintainability by allowing developers to easily redirect to existing actions rather than duplicating logic. The method is part of the System.Web.Mvc namespace and is a fundamental tool for managing navigation and workflow in ASP.NET MVC applications.