Using custom formats : Number Format : Development Class C# Source Code

    

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/


// Using custom formats. 
  
using System;  
  
public class PictureFormatDemo {  
  public static void Main() {  
    double num = 64354.2345; 
 
    Console.WriteLine("Default format: " + num); 
 
    // Display with 2 decimal places. 
    Console.WriteLine("Value with two decimal places: " + 
                      "{0:#.##}", num); 
 
    // Display with commas and 2 decimal places. 
    Console.WriteLine("Add commas: {0:#,###.##}", num); 
  
    // Display using scientific notation. 
    Console.WriteLine("Use scientific notation: " + 
                      "{0:#.###e+00}", num); 
 
    // Scale the value by 1000. 
    Console.WriteLine("Value in 1,000s: " + 
                      "{0:#0,}", num); 
 
    /* Display positive, negative, and zero 
       values differently. */ 
    Console.WriteLine("Display positive, negative, " + 
                      "and zero values differently."); 
    Console.WriteLine("{0:#.#;(#.##);0.00}", num); 
    num = -num; 
    Console.WriteLine("{0:#.##;(#.##);0.00}", num); 
    num = 0.0; 
    Console.WriteLine("{0:#.##;(#.##);0.00}", num); 
 
    // Display a percentage. 
    num = 0.17;     
    Console.WriteLine("Display a pecentage: {0:#%}", num); 
  } 
}