Visual Studio breakpoints break in the wrong source file (or multiple files simultaneously) if multiple files have the same name

Question

In a team project I\'m working on, setting a breakpoint in a file (say IdeasController.cs) will lead to erratic debugger behaviour if there\'s another file with

Answer 1

I just had the exact same problem. What solved it for me was deleting the .suo files belonging to the solution that contained the affected project/source file.

I also deleted my local symbolcache but I don't think that had anything to do with it.

(My solution contains multiple projects, one file (DataAdapter.cs) in one project was affected by this (VisualStudio put my breakpoints in the pdb belonging to System.Data.DataAdapter). I opened the .csproj file directly and was able to correctly set the breakpoint.)