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XmlWriter.WriteStartAttribute Method (String, String, String)

When overridden in a derived class, writes the start of an attribute with the specified prefix, local name, and namespace URI.

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

public abstract void WriteStartAttribute(
	string prefix,
	string localName,
	string ns
)

Parameters

prefix
Type: System.String

The namespace prefix of the attribute.

localName
Type: System.String

The local name of the attribute.

ns
Type: System.String

The namespace URI for the attribute.

ExceptionCondition
EncoderFallbackException

There is a character in the buffer that is a valid XML character but is not valid for the output encoding. For example, if the output encoding is ASCII, you should only use characters from the range of 0 to 127 for element and attribute names. The invalid character may be in the argument of this method or in an argument of previous methods that were writing to the buffer. Such characters are escaped by character entity references when possible (for example, in text nodes or attribute values). However, the character entity reference is not allowed in element and attribute names, comments, processing instruction, or CDATA sections. If a character not valid for the output encoding is encountered, an EncoderFallbackException is thrown.

This method enables you to write a value using multiple Write methods.

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, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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