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
I was hitting this issue in Visual Studio 2015.
I had a sub-folder with a DLL I wanted to save as Version1. It seems even after removing the reference to that DLL, and then adding a reference to another project studio pulled in the existing reference and went to the wrong source file. I removed that DLL in the sub-folder then Studio got the correct source.
I found a helpful link on [MSDN that shows how to clear prior associated source files in studio at this link][1].
Summary: