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IdnMapping.GetAscii Method (String)

Encodes a string of one or more domain name labels that consist of Unicode characters to a string of Unicode characters in the US-ASCII character range.

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

public string GetAscii(
	string unicode
)

Parameters

unicode
Type: System.String

An input string to convert, which consists of one or more domain name labels delimited with label separators.

Return Value

Type: System.String
The equivalent of the string specified by the unicode parameter, consisting of displayable Unicode characters in the US-ASCII character range (U+0020 to U+007E) and formatted according to the Internationalizing Domain Names in Applications (IDNA) standard.

ExceptionCondition
ArgumentNullException

unicode is null.

ArgumentException

unicode is invalid based on the AllowUnassigned and UseStd3AsciiRules properties, and the IDNA standard.

-or-

A label contains one or more of the Unicode control characters from U+0001 through U+001F, or U+007F.

For more information about domain names, labels, and label separators, see the remarks for the IdnMapping.GetAscii(String, Int32, Int32) method.

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

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
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