Format a double value in scientific format in CSharp

Description

The following code shows how to format a double value in scientific format.

Example


using System;//from  w ww  . j a  v a2s .  c  o  m
using System.Globalization;
public class MainClass {     
   static void Main()
   {
        double number = .0000023;
        Console.WriteLine(number.ToString("G", CultureInfo.InvariantCulture));
        // Displays 2.3E-06       
        Console.WriteLine(number.ToString("G", CultureInfo.CreateSpecificCulture("fr-FR")));
        // Displays 2,3E-06
        
        number = .0023;
        Console.WriteLine(number.ToString("G", CultureInfo.InvariantCulture));
        // Displays 0.0023
        
        number = 1234;
        Console.WriteLine(number.ToString("G2", CultureInfo.InvariantCulture));
        // Displays 1.2E+03
        
        number = Math.PI;
        Console.WriteLine(number.ToString("G5", CultureInfo.InvariantCulture));
        // Displays 3.1416  
  }
}

The code above generates the following result.





















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