While it does not work exactly the same as in web forms, tracing still works to some extent in MVC. You just do not get access to the page. You can enable tracing in web.config and use HttpContext.Trace.Write and HttpContext.Trace.Warn . You can get the results by Trace.axd , although it doesn't seem to want to work in Views, but then you would not have the logic that you want to track there anyway ...
I would agree that Glimpse is a powerful tool.
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