WCF service Library
A project for creating a WCF service class library (.dll) (.NET Framework 3.5)
Only create .dll file
Only Self-hosting (At runtime you must load this Library project)
http://localhost:8731/Design_Time_Addresses/WcfService/Service1/
(When I upgrade to MSVS2008 sp1 , this library can host to IIS likes Service Application)
App.config file includes
Need to create .svc file with "SvcUtil.exe". Host this .dll file and .svc file to IIS ..

WCF service Application
A project for creating WCF services (.NET Framework 3.5)
Create .dll file and .svc file for IIS hosting
Can host on IIS with service link
http://localhost/ManagerWCF/Userdata.svc
Web.config file includes
Can easily Publish to localhost
In Project include .svc file