C# Char ToUpper(Char)

Description

Char ToUpper(Char) converts the value of a Unicode character to its uppercase equivalent.

Syntax

Char.ToUpper(Char) has the following syntax.

public static char ToUpper(
  char c
)

Parameters

Char.ToUpper(Char) has the following parameters.

• c - The Unicode character to convert.

Returns

Char.ToUpper(Char) method returns The uppercase equivalent of c, or the unchanged value of c if c is already uppercase, has no uppercase equivalent, or is not alphabetic.

Example

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

//  www  . ja v a2 s.co m
using System;

public class Example
{
   public static void Main()
   {
      char[] chars = { 'a', 'E', '6' };
      foreach (var ch in chars)
          Console.WriteLine("{0} --> {1} {2}", ch, Char.ToUpper(ch),
                            ch == Char.ToUpper(ch) ? "(Same Character)" : "" );
   }
}

The code above generates the following result.