What is difference between System.Diagnostics.Trace and TraceContext

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Hi Friends,
I have searched the net, forum msdn sites but not able to get exact difference in System.Diagnostics.Trace and TraceContext.

I had tried below code in my application :

Trace.Write("This is Tracing");
System.Diagnostics.Trace.TraceError("Error in first applciation");

and tracing is enable at Page level and also at Application level in web.config.

But when i see output, i get output from first line only in trace.axd.
But when i see debugger, i can see both output.

Thanks,
Jitendra

Posted 7-May-10 4:17am

Jitendra Zaa

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TheyCallMeMrJames · Accepted Answer · 2010-05-07T08:46:00

Hi Jitendra,

While you can use System.Diagnostics.Trace for most any .NET app, System.Web.TraceContext is used only for web apps. The second, of course, relies on System.Web, so you wouldn't use it elsewhere.

Only the TraceContext is aware of the HTTP Context and, therefore, will output to the browser when page-level (or webapp-level) tracing is enabled.

Cheers!