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Uri.EscapeDataString Method

Note: This method is new in the .NET Framework version 2.0.

Converts a string to its escaped representation.

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

public static string EscapeDataString (
	string stringToEscape
public static String EscapeDataString (
	String stringToEscape
public static function EscapeDataString (
	stringToEscape : String
) : String



The string to escape.

Return Value

The escaped representation of stringToEscape.

Exception typeCondition


stringToEscape is a null reference (Nothing in Visual Basic).


The length of stringToEscape exceeds 32766 characters.

The EscapeUriString method converts RFC 2396 reserved characters and all characters with a character value greater than 127 to their hexadecimal representation. All Unicode characters are converted to UTF-8 format before being escaped.

This method assumes that stringToEscape has no escape sequences in it.

The string is escaped according to RFC 2396. See this RFC for a definition of reserved and unreserved characters.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0

.NET Compact Framework

Supported in: 2.0