XmlReader.ReadToDescendant Method (String)

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.

Dim output As New StringBuilder()

Dim xmlString As String = _
    "<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 reader As XmlReader = XmlReader.Create(New StringReader(xmlString))

    reader.ReadToDescendant("item")
    Do
        reader.MoveToAttribute("sale-item")
        Dim onSale As Boolean = reader.ReadContentAsBoolean()
        If onSale Then
            output.AppendLine(reader("productID"))
        End If
    Loop While reader.ReadToNextSibling("item")

    OutputTextBlock.Text = output.ToString()
End Using

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();