Possible exact duplicates: Reason for VS.NET ‘current breakpoint will not be hit’ warning? Why does Visual Studio sometimes not go t
Possible exact duplicates:
Reason for VS.NET ‘current breakpoint will not be hit’ warning? Why does Visual Studio sometimes not go t
That suggests the build that's running doesn't match with your code.
Try performing a "clean", make sure that you've stopped any previous debugger sessions etc, then rebuild and retry.