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Char.ToUpper Method (Char, CultureInfo)

Converts the value of a specified Unicode character to its uppercase equivalent using specified culture-specific formatting information.

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

public static char ToUpper(
	char c,
	CultureInfo culture
)

Parameters

c
Type: System.Char
The Unicode character to convert.
culture
Type: System.Globalization.CultureInfo
An object that supplies culture-specific casing rules.

Return Value

Type: System.Char
The uppercase equivalent of c, modified according to culture, or the unchanged value of c if c is already uppercase, has no uppercase equivalent, or is not alphabetic.

ExceptionCondition
ArgumentNullException

culture is null.

Use String.ToUpper to convert a string to uppercase.

.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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