DRAG DROP
There is MS Visual Studio 2010 and MS .NET Framework 4 application PassGuideApp.
PassGuideApp connects to a MS SQL Server database PassGuideDB.
To obtain data from PassGuideDB ADO.NET LINQ to SQL model is used.
PassGuideApp includes Order and Order_details entities.
You are required to provide code which returns a list of the orders and a list of the
order_details.
This code must run one single SQL statement.
Which code can you use?

DRAG DROP
There is MS Visual Studio 2010 and MS .NET Framework 4 application PassGuideApp.
PassGuideApp uses the ADO.NET EntityFramework.
PassGuideApp connects to the MS SQL Server database PassGuideDB.
PassGuideApp needs to handle concurrency conflicts.
PassGuideApp also needs to ensure that local changes are saved in PassGuideDB.