Debugging In order to debug the code, generate the debug version of the DLL and copy the DLL and PDB file into the bin folder under the root folder of your SharePoint application. If you cannot find the bin folder, you can create one. Sign your assembly with a strong name key file. NOTE: You can set the output folder of your project to the bin folder of your SharePoint application. Therefore, the DLL and PDB files are automatically updated every time you compile your application.