LINQ XML (Empty or missing element) check using C#

Hi,

I manage to create a method that allows the missing element to return a blank " " which allows the program to continue and not break.

However, this method doesn't seem to handle the linq code that stores a list.

Can someone help me figure this out on how to write a method that will handle this situation?

Thanks!

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This is the current code for handling non-list items and it works just fine.

XmlNamespaceManager nsmgr = new XmlNamespaceManager(new NameTable());
 XDocument xdocument = XDocument.Load(Path + f.ToString());

var AddressName= ElementValueNull(xdocument.XPathSelectElement("//testfile:AddressName", nsmgr));

  public static string ElementValueNull( XElement element)
        {
            if (element != null)
                return element.Value;

            return "";
        }

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Here's the code for the list which doesn't seem to work when I wrap the ElementValueNull method around the linq query.

var qty = lineitem.Descendants().Where(x => x.Name.LocalName == "QuantityNumber").Select(e => e.Value).ToList();

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