As other sample (Hello world) WCF services, this service is also going to help you understanding how to develop a simple WCF service and its client in Visual Studio.Net, but I tried to explain the way more elaborately. The sample given here is a simple file based employee details repository service. This Article also helps you to know how the client project can discover the WCF service hosted in the server.

Usually boolean values are stored as bit fields in database tables. If we require only a few boolean values to be stored in the table, it would be good to have them as separate bit fields. But consider when we want to store some series of boolean values in the database; I have good idea to avoid creating fields for each of such boolean values in the table. For example, choosing weekdays, months in a scheduling kind of problems, attendance for 8 hours of a day in school/college management applications, …