DRAG DROP
There is an ASP.NET Web application PGWapp.
PGWapp gets information from a MS SQL Server database named PassGuideDB.
More specifically PGWapp includes a page PassGuidePage which has control PassGuideC
that is going to access PassGuideDB.
PassGuidePage is used frequently.
The data in PassGuideDB seldom changes.
The collected data is cached to avoid multiple database accesses.
How should the data source of PassGuideC be defined?

Answer:

Explanation: