Web.config

<configuration>
    <system.web>
        <trace enabled="true" pageOutput="true" />
    </system.web>
</configuration>

VB

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
    Handles Me.Load 'All on one line!
        Trace.Write("This message is from the START OF the Page_Load method!")
End Sub
