XmlReader.Skip Method
Skips the children of the current node.
Namespace: System.Xml
Assembly: System.Xml (in System.Xml.dll)
| Exception | Condition |
|---|---|
| InvalidOperationException | An XmlReader 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.” |
In the following XML input if the reader is positioned on the <a> node or any of its attributes, calling Skip positions the reader to the <b> node.
If the reader is positioned on a leaf node already (such as the <x> node or the text node abc), calling Skip is the same as calling Read.
<a name="bob" age="123"> <x/>abc<y/> </a> <b> ... </b>
This method checks for well-formed XML.
If the reader is an XmlValidatingReader, this method also validates the skipped content.
The XmlReader implementation determines whether or not the Skip method will expand external entities. The following table describes whether the external entities are expanded for the various types of XmlReader objects.
TyType of XmlReader | ExExpands external entities |
|---|---|
No. | |
XmlReader instance created by the Create method that is reading text data. | No. |
XmlReader instance created by the Create method that is reading binary data. | Not applicable. |
A schema validating XmlReader instance created by the Create method. | Yes. |
Yes. | |
XmlReader instance returned by a XPathNavigator object. | Not applicable. |
No. | |
XmlReader instance wrapped around another XmlReader instance. | Depends on the implementation of the underlying XmlReader. (The Skip method on the underlying XmlReader is called). |
For the asynchronous version of this method, see SkipAsync.
The following example parses an XML file starting on the second book node.
Using reader As XmlReader = XmlReader.Create("2books.xml") ' Move the reader to the second book node. reader.MoveToContent() reader.ReadToDescendant("book") reader.Skip() 'Skip the first book. ' Parse the file starting with the second book node. Do Select Case reader.NodeType Case XmlNodeType.Element Console.Write("<{0}", reader.Name) While reader.MoveToNextAttribute() Console.Write(" {0}='{1}'", reader.Name, reader.Value) End While Console.Write(">") Case XmlNodeType.Text Console.Write(reader.Value) Case XmlNodeType.EndElement Console.Write("</{0}>", reader.Name) End Select Loop While reader.Read() End Using
The example uses the file, 2books.xml, as input.
<!--sample XML fragment-->
<bookstore>
<book genre='novel' ISBN='10-861003-324'>
<title>The Handmaid's Tale</title>
<price>19.95</price>
</book>
<book genre='novel' ISBN='1-861001-57-5'>
<title>Pride And Prejudice</title>
<price>24.95</price>
</book>
</bookstore>
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.