what is the right way to spawn thread for database IO in asmx web service?

Question

I have a short lock guarded section in a method (that serves the request entirely) that makes all initializations (etc. log-related). So only 1 thread can be there at time. In

Answer 1

To answer part of your question anyway, you can use the "Application_Start" method in the Global.asax to execute the statement on the start of the application if you want to pre-fill the data as soon as the application comes online.