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WebUtility Class

Provides methods for encoding and decoding URLs when processing Web requests.

System.Object
  System.Net.WebUtility

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

public static class WebUtility

The WebUtility type exposes the following members.

  NameDescription
Public methodStatic memberSupported in .NET for Windows Store appsHtmlDecode(String)Converts a string that has been HTML-encoded for HTTP transmission into a decoded string.
Public methodStatic memberHtmlDecode(String, TextWriter)Converts a string that has been HTML-encoded into a decoded string, and sends the decoded string to a TextWriter output stream.
Public methodStatic memberSupported in .NET for Windows Store appsHtmlEncode(String)Converts a string to an HTML-encoded string.
Public methodStatic memberHtmlEncode(String, TextWriter)Converts a string into an HTML-encoded string, and returns the output as a TextWriter stream of output.
Public methodStatic memberSupported in .NET for Windows Store appsUrlDecodeConverts a string that has been encoded for transmission in a URL into a decoded string.
Public methodStatic memberSupported in .NET for Windows Store appsUrlDecodeToBytesConverts an encoded byte array that has been encoded for transmission in a URL into a decoded byte array.
Public methodStatic memberSupported in .NET for Windows Store appsUrlEncodeConverts a text string into a URL-encoded string.
Public methodStatic memberSupported in .NET for Windows Store appsUrlEncodeToBytesConverts a byte array into a URL-encoded byte array.
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The HttpUtility class contains encoding and decoding utility methods for use with HTML-encode strings. The System.Uri class also contains methods and properties that can be used for similar purposes.

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

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.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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