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HttpEncoder.HtmlDecode Method

Decodes a value from an HTML-encoded string.

Namespace:  System.Web.Util
Assembly:  System.Web (in System.Web.dll)
protected internal virtual void HtmlDecode(
	string value,
	TextWriter output
)

Parameters

value
Type: System.String

The string to decode.

output
Type: System.IO.TextWriter

The text writer to write the decoded value to.

ExceptionCondition
ArgumentNullException

output is null.

The following table lists the character sequences that the ASP.NET decoding logic can decode.

Character sequence

Rule

&#NNN; (decimal codes for ASCII characters).

Decoded as the specified ASCII character. The character sequence starts at the first digit after the # character and finishes at the semicolon.

&#xZZ; (hexadecimal codes for ASCII characters).

Decoded as the specified ASCII character. The encoded form specifies the character by using hexadecimal characters instead of a decimal value. The character sequence starts at the first digit after the # character and finishes at the semicolon.

Named HTML entities.

Decoded as the equivalent ASCII character.

.NET Framework

Supported in: 4.5.1, 4.5, 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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