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Microsoft: ASP (Active Server Pages) FAQ

Debugging ASP

How can you debug ASP without a debugger? by Wendell
Posted: 17 May 00

It's always best to have a debugger, the step into and step over fuctions, etc., server-side especially, are life savers.  But, if you don't have one (for what ever reason) try saving the following code into a seperate file - with an asp or inc extension recommended - and simply <!--#Include File="the file name" //-->

Dim bDebugging

Sub TraceStart()
   bDebugging = True
   DebugIt "Tracing started"
End Sub

Sub TraceStop()
   DebugIt "Tracing stopped"
   bDebugging = False
End Sub

Sub DebugIt( strString )
   If bDebugging Then
      Response.Write "Debugging: " & strString & "<br>"
   End If
End Sub

Sub TraceProcedureStart( strProcedure )
   DebugIt strProcedure & " started"
End Sub

Sub TraceProcedureEnd( strProcedure )
   DebugIt strProcedure & " ended"
End Sub

Sub CheckError()
   Response.Write "<br>Error Description is: " & Err.Description & ".<br>"
End Sub

Then you can TraceStart(), and DebugIt"variable name = " & variable name, and TraceStop() {on seperate lines} to gain visiblity to what's going on at that point.  Better yet, TraceStart() once at the start of the file, and TraceStop() at the end, then you can DebugIt" " as many times as you want - and if you don't want to comment each one out or delete them you can simply set bDebugging to False in TraceStart.  Enjoy, Wendell

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