Use String.Format() to format a value

/*
C#: The Complete Reference 
by Herbert Schildt 

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


// Use String.Format() to format a value.  
  
using System;  
  
public class FormatDemo1 {  
  public static void Main() {  
    double v = 17688.65849;  
    double v2 = 0.15;  
    int x = 21;  
   
    string str = String.Format("{0:F2}", v);  
    Console.WriteLine(str);  
  
    str = String.Format("{0:N5}", v);  
    Console.WriteLine(str);  
  
    str = String.Format("{0:e}", v);  
    Console.WriteLine(str);  
  
    str = String.Format("{0:r}", v);  
    Console.WriteLine(str);  
  
    str = String.Format("{0:p}", v2);  
    Console.WriteLine(str);  
  
    str = String.Format("{0:X}", x);  
    Console.WriteLine(str);  
  
    str = String.Format("{0:D12}", x);  
    Console.WriteLine(str);  
 
    str = String.Format("{0:C}", 189.99); 
    Console.WriteLine(str); 
  }  
}

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2.	A closer look at Format()
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13.	Numeric Formatting:Custom Format Strings:Section Separator
14.	Numeric Formatting:Standard Format Strings:Currency
15.	Numeric Formatting:Standard Format Strings:Decimal
16.	Numeric Formatting:Standard Format Strings:Fixed-Point
17.	Numeric Formatting:Standard Format Strings:General
18.	Numeric Formatting:Standard Format Strings:Hexadecimal
19.	Numeric Formatting:Standard Format Strings:Number
20.	Numeric Formatting:Standard Format Strings:Scientific (Exponential)
21.	Illustrates formatting numbers

Use String.Format() to format a value : Number Format « Development Class « C# / C Sharp

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