Running multiple projects in one solution
If there are multiple projects in one solution and you want to run all the projects within the solution then you can do that in VS 2005.you can also select any one of them you want to debug.
Follow the steps below to achieve the above
Right click the Solution in the Solution Explorer, and select "Set StartUp Projects....".
You can see the property pages of the solution.
In the property page You can see three radio buttons(See below)
Current selection:
Single startup project:The project that may be set manually as startup project.
Multiple startup projects : When enabled, you can then select which projects to start.And for those ones you dont want to run just select the Action as "None"
This is usefull when your are working n- tier architecture.And we can refer one to project to another project within the soluction.