I am using visual studio 2010, my application has a multiu layer architect,
MainUI, WCFService, BLL and DAL
My MainUI communicated to WCF and WCF further commun
Configure your solution for multi project start up. I do this for a similar application. VS launches the WCF and client automatically and I can set break points in either.
The start-up order is the order in which you select the projects.
Right mouse click on your solution and select 'choose startup projects'. Then select multiple startup projects and select the projects.