ASMX vs WCF tracing

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VB

webservice

tracing

I am trying to create logging files for my .asmx soap webservice as it is suggested in this link Enabling Tracing in ASP.NET Web Services[^]. But I could not understand the log file created. In other words, tracing method for WCF creates 2 files: messages.svclog and tracing.svclog, and when you open the messages.svclog file you can clearly understand for each method their inputs and outputs, but this is not the case for the asmx log file. My question is: How can we create a tracing method for ASMX similar as for WCF?

What I have tried:

I have tried to add a WCF tracing method to my webservice, it gave me no errors but it created only one file: tracing.svclog, and this file appeared only when I closed my project and reopened it. Kindly check this link[^] to understand what I mean.