visual studio在environment debug steps:



1. Copy the necessary pdb files to product servers
2. Open .cs file;
3. Attached its process
4. Load symbols via debug/view->"Modules";

Note:

1).please check Tools-->options-->Debugging

 uncheck "Enable just my code"

2).In "watch", we don't get some variable value, it is possible that youare using non-debug build, it is better to use debug build