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Convert.ToByte Method (Char)

Converts the value of the specified Unicode character to the equivalent 8-bit unsigned integer.

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

public static byte ToByte(
	char value


Type: System.Char

The Unicode character to convert.

Return Value

Type: System.Byte
An 8-bit unsigned integer that is equivalent to value.


value represents a number that is greater than Byte.MaxValue.

The following example converts an array of Char values to Byte values.

char[] chars = { 'a', 'z', '\x0007', '\x03FF' };
foreach (char ch in chars)
   try {
      byte result = Convert.ToByte(ch);
      Console.WriteLine("{0} is converted to {1}.", ch, result);
   catch (OverflowException) {
      Console.WriteLine("Unable to convert u+{0} to a byte.", 
// The example displays the following output: 
//       a is converted to 97. 
//       z is converted to 122. 
//        is converted to 7. 
//       Unable to convert u+03FF to a byte.      

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0