Table Data Context Using Composition

gistfile1.cs

public class DataContext
{
    private TableServiceContext _context;

    public DataContext()
    {
        var account = CloudStorageAccount.FromConfigurationSetting("DataContext");

        _context= account.CreateCloudTableClient().GetDataServiceContext();
    }

    public void AddMeeting(Meeting meeting)
    {
        _context.AddObject("Meetings", meeting);
    }

    public IQueryable<Meeting> Meetings
    {
        get{
            return _context.CreateQuery<Meeting>("Meetings");
        }
    }

    public void SaveChanges()
    {
        _context.SaveChanges();
    }
}