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Home > Forums > Programmers > Web Development > Microsoft: ASP.NET > FAQs

Microsoft: ASP.NET FAQ

ASP.Net Troubleshooting

Displaying TRACE data
faq855-6635
Posted: 26 Apr 07

I Complied this tip from several places on the Internet

Add this code to the very beginning of your Page Load event...

CODE

If Request.QueryString("trace") = "true" Then
    Trace.IsEnabled = True
End If

Then add

CODE

&trace=true

To the end of your URL when ever you want to get TRACE information


Here is a addon to this...

If you are updating data and want to see what paremeters are being passed to your Stored procedure

Add this proc to the code behind file

CODE


      Protected Sub SqlDataSource_Insert_Inserting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.SqlDataSourceCommandEventArgs) Handles SqlDataSource_Insert.Inserting
        For x As Integer = 0 To e.Command.Parameters.Count - 1
            Trace.Write(e.Command.Parameters(x).ParameterName)
            Trace.Write(e.Command.Parameters(x).Value)
        Next
    End Sub

This proc assumes your data source is called 'SqlDataSource_Insert' change this is it's not.

This proc combined with the '&trace=true ' from above will write out all the parameters being passed by your page to the TRACE

Pretty cool...

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