You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application uses the ADO.NET Entity Framework to model persistence-ignorant entities. The
application operates in a disconnected mode. You need to ensure that changes made to local
entities while the application is in the disconnected mode are correctly persisted. Which method
should you call before persisting changes?

A.
ObjectStateEntry.SetModifiedProperty

B.
ObjectStateEntry.AcceptChanges

C.
DataContext.AcceptAllChanges

D.
ObjectContext.Refresh

Explanation:
ObjectStateEntry.SetModifiedProperty(string propertyName) Method Marks the specified property
as modified.