How do I add multiple Namespace declarations to an XDocument?

Question

I'm using an XDocument to build an Xml document in a known structure. The structure I am trying to build is as follows:

<request xmlns:ns4="http://www.example.com/a" xmlns:ns3="http://www.example.com/b" xmlns:ns2="http://www.example.com/c" >     <requestId>d78d4056-a831-4c7d-a357-d14402f623fc</requestId>     .... </request> 

Notice the "xmlns:nsX" attributes.

I am trying, without success, to add these attributes to my "request" element.

XNamespace ns4 = XNamespace.Get("http://www.example.com/a"); XNamespace ns3 = XNamespace.Get("http://www.example.com/b"); XNamespace ns2 = XNamespace.Get("http://www.example.com/c");  XDocument doc = new XDocument(     new XDeclaration("1.0", "utf-8", "no"),     new XElement("request",         new XAttribute("ns4", ns4),         new XAttribute("ns3", ns3),         new XAttribute("ns2", ns2),         new XElement("requestId", Guid.NewGuid())      ) ); 

However, this produces the following:

<request ns4="http://www.example.com/a" ns3="http://www.example.com/b" ns2="http://www.example.com/c">   <requestId>38b07cfb-5e41-4d9a-97c8-4740c0432f11</requestId> </request> 

How do I add the namespace declarations correctly?

Answer 1

Do you mean:

new XAttribute(XNamespace.Xmlns + "ns4", ns4), new XAttribute(XNamespace.Xmlns + "ns3", ns3), new XAttribute(XNamespace.Xmlns + "ns2", ns2),