You are designing a SharePoint 2010 application that allows users to enter contact
information into a form. You need to design the application so that it displays a dialog box
prompting users to validate their contact information before the data is saved.Which
approach should you recommend?

A.
Create an application page that calls the SP.UI.PopoutMenu class.

B.
Create a Web Part that calls the MessageBox class.

C.
Create an application page that calls the SP.UI.ModalDialog class.

D.
Create a visual Web Part that calls the SP.UI.PopoutMenu class.

Explanation: