You are implementing an ASP.NET MVC 2 Web application. A controller contains the following code. The first Edit action displays the user whose details are to be edited, and the second Edit action is called when the Save button on the editing form is clicked to update the user details. An exception is thrown at run time stating that the request for action Edit is ambiguous. You need to correct this error and ensure that the controller functions as expected.What are two possible ways to achieve this goal?（）