A Master Page contains a ScriptManager control and a user wants the AJAX functionality on content page then which control is necessary on content page.

A Master Page contains a ScriptManager control and a user wants the AJ

1.	A Master Page contains a ScriptManager control and a user wants the AJAX functionality on content page then which control is necessary on content page.
A.	AsyncPostBackTrigger
B.	ScriptManager
C.	ScriptManagerProxy
D.	None of the above.
Answer» D. None of the above.