Extract data from xml string

Question

Let's say I have an xml string:

<?xml version="1.0" encoding="UTF-8"?>
<Return version="1.0">
<File>1</File>
<URL>2</URL>
<SourceUUID>1191CF90-5A32-4D29-9F90-24B2EXXXXXX0</SourceUUID>
</Return>

and I want to extract the value of SourceUUID, how?

I tried:

           XDocument doc = XDocument.Parse(xmlString);

            foreach (XElement element in doc.Descendants("SourceUUID"))
            {
                Console.WriteLine(element);
            }

is this line gives error : XDocument doc = XDocument.Parse(readStream.ReadToEnd()); — Pranay Rana
– Pranay Rana, Commented Mar 13, 2018 at 13:24
Forget about the error, I only want to extract the data, how please? — user9250176
– user9250176, Commented Mar 13, 2018 at 13:28
I would suggest you edit your question to remove mentions of this elusive error, and instead make it clearer that you want to extract the value of the specified element. — Matt Hogan-Jones
– Matt Hogan-Jones, Commented Mar 13, 2018 at 13:35

Matt Hogan-Jones · Accepted Answer · 2018-03-13 13:33:26Z

2

If all you want is the content of the SourceUUID element, and there's only going to be 1 in the XML, you can do this:

        XDocument doc = XDocument.Parse(xmlString);
        var value = doc.Descendants("SourceUUID").SingleOrDefault()?.Value;

If there are going to be more than one, you can do this:

        var values = doc.Descendants("SourceUUID").Select(x => x.Value);

This gives you an enumerable of strings that are the text values of the elements.

answered Mar 13, 2018 at 13:33

Matt Hogan-Jones

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1 Comment

Matt Hogan-Jones Over a year ago

@tgg I really encourage you to read more about LINQ to XML - it's an extremely useful way of consuming XML data.

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