Char.ToUpper Method (Char)

 
System_CAPS_noteNote

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Converts the value of a Unicode character to its uppercase equivalent.

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

static member ToUpper : 
        c:char -> char

Parameters

c
Type: System.Char

The Unicode character to convert.

Return Value

Type: System.Char

The uppercase equivalent of c, or the unchanged value of c if c is already uppercase, has no uppercase equivalent, or is not alphabetic.

Casing rules are obtained from the current culture.

Use String.ToUpper to convert a string to uppercase.

Notes to Callers:

As explained in Best Practices for Using Strings in the .NET Framework, we recommend that you avoid calling character-casing and string-casing methods that substitute default values. Instead, you should call methods that require parameters to be explicitly specified. To convert a character to uppercase by using the casing conventions of the current culture, call the ToUpper(Char, CultureInfo) method overload with a value of CultureInfo.CurrentCulture for its culture parameter.

The following example converts each character in an array to its uppercase equivalent.

No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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