Question

I seem not to understand the concepts behind Trace and Debug Classes in System.Diagnostic package ! Can anybody briefly tell me what they all about ? I would appreciate if you include some examples!

Answer 1

From MSDN

Debug

Make your code more robust without affecting the performance and code
size of your shipping product.

// Specify /d:DEBUG when compiling.

using System;
using System.Data;
using System.Diagnostics;

class Test
{
    static void Main()
    {
       Debug.Listeners.Add(new TextWriterTraceListener(Console.Out));
       Debug.AutoFlush = true;
       Debug.Indent();
       Debug.WriteLine("Entering Main");
       Console.WriteLine("Hello World.");
       Debug.WriteLine("Exiting Main"); 
       Debug.Unindent();
    }
}

Tracing

Tracing helps you isolate problems and fix them without disturbing a running system

// Specify /d:TRACE when compiling.

using System;
using System.Diagnostics;

class Test
{
    static void Main()
    {
       Trace.Listeners.Add(new TextWriterTraceListener(Console.Out));
       Trace.AutoFlush = true;
       Trace.Indent();
       Trace.WriteLine("Entering Main");
       Console.WriteLine("Hello World.");
       Trace.WriteLine("Exiting Main"); 
       Trace.Unindent();
    }
}

How To Trace