There is MS Visual Studio 2010 and MS .NET Framework 4 application PassGuideApp.
PassGuideApp uses the ADO.NET Entity Framework.
PassGuideApp uses POCO entities.
PassGuideApp uses snapshot-based change tracking.
When the object graph is changed the state manager must synchronize?
How can this be achieved? Select two.
Note: Plain Old CLR Obects: POCO
A.
Use the DataContext …
B.
Use the ObjectContext …
C.
…Refresh method.
D.
…Attach method.
E.
…DetectChanges method.
F.
…ApplyPropertyChanges method.
G.
…ApplyChanges method.
H.
…SaveChanges method.
Explanation: