Development VB.Net Tutorial

Class Tester
   Shared Sub Main()
      Try
         Method1()
      Catch exceptionParameter As Exception
         Console.WriteLine(exceptionParameter.ToString())
         Console.WriteLine(exceptionParameter.Message)
         Console.WriteLine(exceptionParameter.StackTrace)
         Console.WriteLine(exceptionParameter.InnerException.ToString())
      End Try
   End Sub 
   Public Shared Sub Method1()
      Method2()
   End Sub
   Public Shared Sub Method2()
      Method3()
   End Sub
   Public Shared Sub Method3()
      Try
         Convert.ToInt32("Not an integer")
      Catch formatException As FormatException
         Throw New Exception("Exception occurred in Method3", _
            formatException)
      End Try
   End Sub
End Class
System.Exception: Exception occurred in Method3 --- System.FormatException: Input string was not in
a correct format.
at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFor
matInfo info, Boolean parseDecimal)
at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
at Tester.Method3()
--- End of inner exception stack trace ---
at Tester.Method3()
at Tester.Main()
Exception occurred in Method3
at Tester.Method3()
at Tester.Main()
System.FormatException: Input string was not in a correct format.
at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFor
matInfo info, Boolean parseDecimal)
at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
at Tester.Method3()