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XmlWriter::WriteValue Method (Object)

Writes the object value.

Namespace:  System.Xml
Assemblies:   System.Xml.ReaderWriter (in System.Xml.ReaderWriter.dll)
  System.Xml (in System.Xml.dll)

public:
virtual void WriteValue(
	Object^ value
)

Parameters

value
Type: System::Object

The object value to write.

Note   With the release of the .NET Framework 3.5, this method accepts DateTimeOffset as a parameter.

ExceptionCondition
ArgumentException

An invalid value was specified.

ArgumentNullException

The value is nullptr.

InvalidOperationException

The writer is closed or in error state.

InvalidOperationException

An XmlWriter method was called before a previous asynchronous operation finished. In this case, InvalidOperationException is thrown with the message “An asynchronous operation is already in progress.”

This method takes the common language runtime (CLR) object and converts the input value to the desired output type using the XML Schema definition language (XSD) data type conversion rules.

If the CLR object is a list type such as IEnumerable, IList, or ICollection, it is treated as an array of the value type. The XmlWriter converts the value to its string representations according to the XML Schema (XSD) data type rules and writes it out using the WriteString method.

If this method is called on an XmlWriter instance that outputs text-only, the typed value is serialized to text.

For asynchronous operations, convert the return value of this method to a string and use the WriteStringAsync method.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: 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.

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