Query an XDocument Query doesn't work when element/root has Namespace as atribute

Question

The problem is that I can not get any results if the node contains namespace/attribute. This is the code:

Dim xmlFromDisk = XDocument.Load(\"customers.xml\")
Dim         


        

Answer 1

Sure, so you need to specify the namespace as well. xmlns="..." indicates the default namespace for any unqualified descendant elements.

I don't know how you'd do it in an XML literal in VB, but in C# you'd just write:

XNamespace ns = "http://tempuri.org/";
var ukCustomers = doc.Root
                     .Elements(ns + "Customer")
                     .Where(x => (string) x.Element(ns + "Country") == "UK");

EDIT: This is the equivalent VB code as shown by Reflector and hacked around a bit by me:

Dim ns As XNamespace = "http://tempuri.org/"
Dim ukCustomers =
   (From x In doc.Root.Elements(DirectCast((ns + "Customer"), XName))
    Where (CStr(x.Element(ns + "Country")) = "UK")
    Select x)