Retrieve a node value from xml

Question

I want to get the value of a node <abc> from xmldata column.

XML data looks like:

<data id="d4E8121C9636942F18AC77F3EECD13ABA">
    <d id="pDF21A1781B684FAD8D476BF14F78D52D">
        <abc>ABC</abc>
    </d> 
</data>

Here is the code:

using (var exampleSource = new ExampleDataSource())
{
    var xmlData = exampleSource.queue
        .Where(a => a.QueueID == queueID)
        .Select(a => a.XMLData)
        .FirstOrDefault();

    var messages = from m in xmlData 
                   select XElement.Parse("abc");
}

Answer 1

XElement.Parse() is for turning a string into an XElement.

I think you simply want xmlData.Descendents("d").Descendents("abc") .

Answer 2

正如您所说的XMLData是一个string ，您需要对此进行解析，然后像这样获取abc的值：

var abc = (string)XElement.Parse(xmlData).Descendants("abc").Single();