How to: Debug a Sharepoint 2010 Custom Web Service

Introduction

If you want to create a Sharepoint web service, you can follow this link Walkthrough: Creating a Custom ASP.NET Web Service. When you done with creating, you might need to debug and trace it, here is how to do that.

Steps

1. From Visual Studio, open your class library, then go to tools menu and choose attach to process

   

2. Attach to process window will show, check show process from all users then scroll down to w3wp.exe -IIS worker process is a windows process (w3wp.exe) which runs Web applications-

   

3. You might have multiple running w3wp.exe, to determine which one to pick, go to IIS then open Worker Processes.

   

4. You will find the processes id which runs your application's application pool.

   

5. Go and choose the right w3wp.exe and know you can debug. :)