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UInt64.ToString Method

Converts the numeric value of this instance to its equivalent string representation.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public override string ToString()

Return Value

Type: System.String
The string representation of the value of this instance, consisting of a sequence of digits ranging from 0 to 9, without a sign or leading zeroes.

The ToString() method formats a UInt64 value in the default ("G", or general) format by using the NumberFormatInfo object of the current culture. If you want to specify a different format or culture, use the other overloads of the ToString method, as follows:

To use format

For culture

Use the overload

Default ("G") format

A specific culture

ToString(IFormatProvider)

A specific format

Default (current) culture

ToString(String)

A specific format

A specific culture

ToString(String, IFormatProvider)

The following example displays a UInt64 value by using the default ToString() method. It also displays the string representations of the UInt64 value that results from using some standard format specifiers. The examples are displayed using the formatting conventions of the en-US culture.

using System;

public class Example
{
   public static void Main()
   {
      ulong value = 163249057;
      // Display value using default ToString method.
      Console.WriteLine(value.ToString());      
      Console.WriteLine();

      // Define an array of format specifiers. 
      string[] formats = { "G", "C", "D", "F", "N", "X" };
      // Display value using the standard format specifiers. 
      foreach (string format in formats)
         Console.WriteLine("{0} format specifier: {1,16}", 
                           format, value.ToString(format));         
   }
}
// The example displays the following output: 
//       163249057 
//        
//       G format specifier:        163249057 
//       C format specifier:  $163,249,057.00 
//       D format specifier:        163249057 
//       F format specifier:     163249057.00 
//       N format specifier:   163,249,057.00 
//       X format specifier:          9BAFBA1

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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