You develop Web-based client applications. You are developing a Web page that will retrieve large amounts of data from a remote database. You need to ensure maximum scalability. What should you do before calling the code to retrieve the data?
A.
Set the Async attribute of the Page directive = true and call the ThreadPool.QueueUserWorkItem method in the Load event of the page.
B.
Set the Async attribute of the Page directive = true and call the AddOnPreRenderCompleteAsync method in the Load event of the page.
C.
Call the ThreadPool.GetAvailableThreads method in the PreLoad event of the page.
D.
Call the ThreadPool.QueueUserWorkItem method in the PreLoad event of the page.