Create a new C# Solution

1. Start Visual Studio
2. From the File menu in Microsoft Visual Studio .NET, select New / Project and choose Visual C# / Console Applilcation in the New Project dialog.
3. Choose a suitable name for the project, like TravelAccount. 
4. You can accept the defaults or select another directory by clicking on the Browse button to specify the location for your application in the Location field. Then click OK.
5. From the File menu in Microsoft Visual Studio .NET, select Add and New Project. 
6. In the Add New Project Dialog choose Visual C# / Class Library.
7. Choose a suitable name for the project, like BusinessClasses.
8. Delete the automatically generated Class1.cs.
9. In both projects load two Nuget packages:
   install-package ndo.dll
   install-package ndo.sqlce

The sampe uses Microsofts Sqlce database. NDO needs a provider for this database, which is installed by the package ndo.sqlce. For SqlServer install ndo.sqlserver.