title: Where's the best samples of Microsoft for developing c# win-based programs which connect to SQL Server Data base?
body: <p>I searched within Microsoft web site. But you know, there were lots of samples and I didn't know which one is suitable for my purpose.
  I'm looking for the best samples of Microsoft for developing c# win-based programs which connect to SQL Server Data base. What I mean is, samples which use OOP concepts, use .NET 3+ features....</p>