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XmlElementAttribute.Form Property

Gets or sets a value that indicates whether the element is qualified.

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

public XmlSchemaForm Form { get; set; }

Property Value

Type: System.Xml.Schema.XmlSchemaForm
One of the XmlSchemaForm values. The default is None.

The Form property determines whether an XML element is qualified or unqualified. The Form property conforms to the World Wide Web Consortium (www.w3.org) 1999 specification, "Namespaces in XML".

If the Namespace property is set to any value, attempting to set the Form property to XmlSchemaForm.Unqualified throws an exception. The default setting, XmlSchemaForm.None, instructs the XmlSerializer to check the schema for the XML document to determine whether the namespace is qualified. If the schema does not specify a value for an individual element or attribute, the XmlSerializer uses the elementFormDefault and attributeFormDefault values to determine whether an element or attribute is qualified. The following XML code shows a schema:

 <schema elementFormDefault="qualified" 
 attributeFormDefault="unqualified"... >
  <element name="Name"/>
  <attribute name="Number"/>
 </schema>

When the XmlSerializer reads the schema, the Form value for both the Name and Number is XmlSchemaForm.None, but the Name element is qualified, while the Number element is unqualified.

The following example sets the Form property to XmlSchemaForm.Unqualified.

public class MyClass
{
   [XmlElement(Form = XmlSchemaForm.Unqualified)]
   public string ClassName;
}

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 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

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

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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