ReadToDescendant Method (String)
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XmlReader.ReadToDescendant Method (String)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Advances the XmlReader to the next descendant element with the specified qualified name.

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

public virtual bool ReadToDescendant(
	string name
)

Parameters

name
Type: System.String
The qualified name of the element you wish to move to.

Return Value

Type: System.Boolean
true if a matching descendant element is found; otherwise false. If a matching child element is not found, the XmlReader is positioned on the end tag (NodeType is XmlNodeType.EndElement) of the element.
If the XmlReader is not positioned on an element when ReadToDescendant was called, this method returns false and the position of the XmlReader is not changed.


StringBuilder output = new StringBuilder();

String xmlString =
    @"<root>
  <item sale-item='true' productID='123456' colors='blue green black'>
    <price>9.95</price>
  </item>
  <item sale-item='false' productID='124390'>
    <price>5.95</price>
  </item>
  <item sale-item='true' productID='53298'>
    <price>12.95</price>
  </item>
</root>";

using (XmlReader reader = XmlReader.Create(new StringReader(xmlString)))
{
    reader.ReadToDescendant("item");
    do
    {
        reader.MoveToAttribute("sale-item");
        Boolean onSale = reader.ReadContentAsBoolean();
        if (onSale)
        {
            output.AppendLine(reader["productID"]);
        }
    } while (reader.ReadToNextSibling("item"));

}

OutputTextBlock.Text = output.ToString();


Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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