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XmlReaderSettings.CheckCharacters Property

Gets or sets a value indicating whether to do character checking.

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

public bool CheckCharacters { get; set; }

Property Value

Type: System.Boolean
true to do character checking; otherwise false. The default is true.
NoteNote

If the XmlReader is processing text data, it always checks that the XML names and text content are valid, regardless of the property setting. Setting CheckCharacters to false turns off character checking for character entity references.

This property instructs the XML reader to check characters in the XML data it's reading and throw an XmlException if any characters are outside the range of legal XML characters. When character checking is enabled, you are ensured the following:

  • Characters are within the range of legal XML characters, as defined by the 2.2 Characters section of the W3C XML 1.0 Recommendation.

  • All XML names are valid, as defined by the 2.3 Common Syntactic Constructs section of the W3C XML 1.0 Recommendation.

When this property is set to true, which is the default setting, an XmlException exception is thrown if the XML file contains illegal characters or invalid XML names (for example, an element name starts with a number).

.NET Framework

Supported in: 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

.NET for Windows Phone apps

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