Article
11/18/2011

NumberFormatInfo.NumberGroupSeparator Property

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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)

Syntax

'Declaration
Public Property NumberGroupSeparator As String

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 ",".

Exceptions

Exception	Condition
ArgumentNullException	The property is being set to nulla null reference (Nothing in Visual Basic).
InvalidOperationException	The property is being set and the NumberFormatInfo object is read-only.

Examples

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

Imports System.Globalization

Class Example
   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
      ' Gets a NumberFormatInfo associated with the en-US culture.
      Dim nfi As NumberFormatInfo = New CultureInfo("en-US").NumberFormat

      ' Displays a value with the default separator (",").
      Dim myInt As Int64 = 123456789
      outputBlock.Text += String.Format(myInt.ToString("N", nfi)) & vbCrLf

      ' Displays the same value with a blank as the separator.
      nfi.NumberGroupSeparator = " "
      outputBlock.Text += String.Format(myInt.ToString("N", nfi)) & vbCrLf
   End Sub 
End Class 
' This example produces the following output.
'       123,456,789.00
'       123 456 789.00

using System;
using System.Globalization;

class Example
{
   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {
      // Gets a NumberFormatInfo associated with the en-US culture.
      NumberFormatInfo nfi = new CultureInfo("en-US").NumberFormat;

      // Displays a value with the default separator (",").
      Int64 myInt = 123456789;
      outputBlock.Text += String.Format(myInt.ToString("N", nfi)) + "\n";

      // Displays the same value with a blank as the separator.
      nfi.NumberGroupSeparator = " ";
      outputBlock.Text += String.Format(myInt.ToString("N", nfi)) + "\n";
   }
}
/* 
This code produces the following output.

123,456,789.00
123 456 789.00
*/

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Share via