XmlTextReader.WhitespaceHandling Property
Gets or sets a value that specifies how white space is handled.
Assembly: System.Xml (in System.Xml.dll)
Property Value
Type: System.Xml.WhitespaceHandlingOne of the WhitespaceHandling values. The default is WhitespaceHandling.All (returns Whitespace and SignificantWhitespace nodes).
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | Invalid value specified. |
| InvalidOperationException | Setting this property when the reader is closed (ReadState is ReadState.Closed). |
Note |
|---|
In the .NET Framework 2.0 release, the recommended practice is to create XmlReader instances using the XmlReader.Create method. This allows you to take full advantage of the new features introduced in this release. For more information, see Creating XML Readers. |
This property can be changed at any time and takes effect on the next read operation.
Because the XmlTextReader does not have DTD information available to it, SignificantWhitepsace nodes are only returned within an xml:space='preserve' scope.
The following example reads an XML fragment.
using System; using System.IO; using System.Xml; public class Sample { public static void Main(){ //Create the XML fragment to be parsed. string xmlFrag ="<book> " + " <title>Pride And Prejudice</title>" + " <genre>novel</genre>" + "</book>"; //Create the XmlNamespaceManager. NameTable nt = new NameTable(); XmlNamespaceManager nsmgr = new XmlNamespaceManager(nt); //Create the XmlParserContext. XmlParserContext context = new XmlParserContext(null, nsmgr, null, XmlSpace.Default); Console.WriteLine("Read the XML and ignore all white space..."); ReadXML(context, xmlFrag, WhitespaceHandling.None); Console.WriteLine("\r\nRead the XML including white space nodes..."); ReadXML(context, xmlFrag, WhitespaceHandling.All); } public static void ReadXML(XmlParserContext context, string xmlFrag, WhitespaceHandling ws){ //Create the reader and specify the WhitespaceHandling setting. XmlTextReader reader = new XmlTextReader(xmlFrag, XmlNodeType.Element, context); reader.WhitespaceHandling = ws; //Parse the XML and display each of the nodes. while (reader.Read()) { switch (reader.NodeType) { case XmlNodeType.Element: Console.WriteLine("{0}: <{1}>", reader.NodeType, reader.Name); break; case XmlNodeType.Text: Console.WriteLine("{0}: {1}", reader.NodeType, reader.Value); break; case XmlNodeType.EndElement: Console.WriteLine("{0}: </{1}>", reader.NodeType, reader.Name); break; case XmlNodeType.Whitespace: Console.WriteLine("{0}:", reader.NodeType); break; case XmlNodeType.SignificantWhitespace: Console.WriteLine("{0}:", reader.NodeType); break; } } //Close the reader. reader.Close(); } } // End class
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.
Note