Why does System.Diagnostics.Debug.WriteLine not work in Visual Studio 2010 C#?

Check following items –

  1. DEBUG mode is selected while debugging
  2. Debug option is selected in Output window –
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  3. See if breakpoint is hitting Debug.WriteLine in code
  4. Insert Debug.AutoFlush = true at the beginning of code
  5. Try checking if Platform for the solution is set to Any CPU and not x86 (or x64).
  6. Goto Project Properties–> Web – In the Debugger section, check the the ASP.NET option

Reference for Point #5 (Read the comment, It worked for that guy)

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