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NumberFormatInfo.NumberGroupSeparator Property

Gets or sets the string that separates groups of digits to the left of the decimal in numeric values.

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

public string NumberGroupSeparator { get; set; }

Property Value

Type: System.String
The string that separates groups of digits to the left of the decimal in numeric values. The default for InvariantInfo is ",".

ExceptionCondition
ArgumentNullException

The property is being set to null.

InvalidOperationException

The property is being set and the NumberFormatInfo is read-only.

The initial value of this property is derived from the settings in the regional and language options portion of Control Panel.

The following example demonstrates the effect of changing the NumberGroupSeparator property.


using System;
using System.Globalization;

class NumberFormatInfoSample {

   public static void Main() {

      // Gets a NumberFormatInfo associated with the en-US culture.
      NumberFormatInfo nfi = new CultureInfo( "en-US", false ).NumberFormat;

      // Displays a value with the default separator (",").
      Int64 myInt = 123456789;
      Console.WriteLine( myInt.ToString( "N", nfi ) );

      // Displays the same value with a blank as the separator.
      nfi.NumberGroupSeparator = " ";
      Console.WriteLine( myInt.ToString( "N", nfi ) );

   }
}


/* 
This code produces the following output.

123,456,789.00
123 456 789.00
*/
   


.NET Framework

Supported in: 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

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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