Serialize Method (XmlWriter, Object, XmlSerializerNamespaces)

XmlSerializer.Serialize Method (XmlWriter, Object, XmlSerializerNamespaces)

Serializes the specified Object and writes the XML document to a file using the specified XmlWriter and references the specified namespaces.

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

member Serialize : 
        xmlWriter:XmlWriter * 
        o:Object * 
        namespaces:XmlSerializerNamespaces -> unit 


Type: System.Xml.XmlWriter
The XmlWriter used to write the XML document.
Type: System.Object
The Object to serialize.
Type: System.Xml.Serialization.XmlSerializerNamespaces
The XmlSerializerNamespaces referenced by the object.


An error occurred during serialization. The original exception is available using the InnerException property.

When the Serialize method is invoked, the public fields and read/write properties of an object are converted into XML. Methods, indexers, private fields, and read-only properties are not serialized. To serialize all fields and properties, both public and private, use the BinaryFormatter.

Use the xmlWriter parameter to specify an object that derives from the abstract XmlWriter class, which is designed to write XML documents. The XmlTextWriter derives from the XmlWriter.


The XmlSerializer cannot serialize the following: arrays of ArrayList and arrays of List(T).

The following example serializes an object with an XmlWriter. The example also creates an XmlSerializerNamespaces and adds two namespaces to the object. Several instances of the XmlElementAttribute class are applied to the class members to specify the namespace for each element.

No code example is currently available or this language may not be supported.

<?xml version="1.0"?>
 <OrderedItem xmlns:inventory="" xmlns:money="">
   <inventory:Description>Regular Widget</inventory:Description>

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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