Convert double to string using ToString method with default format in CSharp

  /*w w  w. ja  v  a  2  s.c o  m*/
  
  
   

using System;
using System.Globalization;
public class Example
{
   public static void Main()
   {
        double number;
        
        number = 1.6E20;
        Console.WriteLine(number.ToString());
        number = 1.6E2;
        Console.WriteLine(number.ToString());
        number = -3.541;
        Console.WriteLine(number.ToString());
        
        number = -1234567890E-07;
        Console.WriteLine(number.ToString());
        
        number = -12345678909876543E-09;
        Console.WriteLine(number.ToString());
        number = .654321;
        Console.WriteLine(number.ToString());
        
        number = .000000001;
        
        Console.WriteLine(number.ToString());
   }
}