What s the difference between Build and Rebuild in Visual Studio.NET?

Build

• Build means compile and link only the source files that have changed since the last build. 
• Build is the normal thing to do and is faster. 
• Build Solution builds all projects in the your solution while Build builds the
• Start Up project.

Rebuild

• While Rebuild means compile and link all source files regardless of whether they changed or not.
• Sometimes the versions of project target components can get out of sync and rebuild is necessary to make the build successful.
• Rebuild Solution rebuilds all projects in the your solution while Rebuild rebuilds the Start Up project.