You are designing a Windows Presentation Foundation (WPF) application that will be used to display real- time data from a Microsoft SQL Server 2008 database.
You need to recommend an approach for displaying the data.
Which two actions should you recommend? (Each correct answer presents part of the solution. Choose two.)
A.
Implement Oneway binding between the controls in the WPF application and objects in the data layer.
B.
Implement OneWayToSource binding between the controls in the WPF application and objects in the data layer.
C.
Use a SqlCacheDependency object in the data layer to query the database when a change is detected.
D.
Use a System.Runtime.Caching object in the data layer with a sliding expiration, and query the database when the Cache object expires.