在C＃Web服务上，我可以找到唯一的线程ID或某些ID用于记录目的吗？

I am running a Web Service in C# .NET 3.5. I want to log various calls. However since many users are hitting the same functions at once it is difficult to tell which log call belongs to which.I am running a Web Service in C# .NET 3.5. I wa