You define a custom field type. You override the GetValidatedString() method in the custom field type.

You implement the custom field type in a list. In some scenarios, the data in the list is updated without the GetValidatedString() method being called.

You need to identify the scenario in which the GetValidatedString() method is called.

When is the GetValidatedString() method called?

A.
When the user adds or updates the data in the data sheet view

B.
When the user adds or updates the data by using the Web form interface

C.
When an application adds or updates the data through Web services

D.
When an application adds or updates the data through the object model

E.
When the user adds or updates the data in Microsoft Office Access that is connected to the Microsoft Windows SharePoint Services list