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HttpUtility.UrlEncode Method (String, Encoding)

.NET Framework 4.5

Encodes a URL string using the specified encoding object.

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

public static string UrlEncode(
	string str,
	Encoding e
)

Parameters

str: Type: System.String
The text to encode.

e: Type: System.Text.Encoding
The Encoding object that specifies the encoding scheme.

Return Value

Type: System.String
An encoded string.

Remarks

This method can be used to encode the entire URL, including query-string values. If characters such as blanks and punctuation are passed in an HTTP stream, they might be misinterpreted at the receiving end. URL encoding converts characters that are not allowed in a URL into character-entity equivalents; URL decoding reverses the encoding. For example, when the characters < and > are embedded in a block of text to be transmitted in a URL, they are encoded as %3c and %3e.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Platforms

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.

Reference

Other Resources

How to: Protect Against Script Exploits in a Web Application by Applying HTML Encoding to Strings

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