You are designing an ASP.NET MVC 2 Web application. A page of the Web application will
display data retrieved from a Web service. The Web service performance is unpredictable.
You have the following requirements: • Display a progress indicator while retrieving data. •
Display data in the same page from which it is retrieved. You need to recommend a solution
that meets the requirements. What are two possible solutions you could recommend? (Each
answer presents a complete solution. Choose two.)
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A.
In the view, set the Page directive Async attribute to true.
B.
Use the Ajax.BeginForm() method.
C.
Derive the controller from the AsyncController class.
D.
Use the jQuery.ajax() function.