How to remove all namespaces from XML with C#?

Question

I am looking for the clean, elegant and smart solution to remove namespacees from all XML elements? How would function to do that look like?

Defined interface:

Answer 1

the obligatory answer using LINQ:

static XElement stripNS(XElement root) {
    return new XElement(
        root.Name.LocalName,
        root.HasElements ? 
            root.Elements().Select(el => stripNS(el)) :
            (object)root.Value
    );
}
static void Main() {
    var xml = XElement.Parse(@"
    
      
        0174587
        014717
        019172
        
        
          
          
false
        
        Some state
      
    ");
    Console.WriteLine(stripNS(xml));
}