Including xmlns in my XML file

Question

How can I add the two lines below in my xDocument?

I am creating an xml file with Xelements and Xattributes. Can you tell my how can I include this in my xml file please?

<Document xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03">

I am getting xmlns="" on the next tag for some reason. A sample is shown below.

<Document xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03">

<FirstTag xmlns="">

xml file is being generated from program (C#) using Xdocument — Mark Fenech, Feb 05 '14 at 12:29
possible duplicate of [Add namespaces with and without names to an XElement](http://stackoverflow.com/questions/3003951/add-namespaces-with-and-without-names-to-an-xelement) — Andrei V, Feb 05 '14 at 12:32

score 1 · Accepted Answer · answered Feb 05 '14 at 12:36

1

XNamespace ns = "urn:iso:std:iso:20022:tech:xsd:pain.001.001.03";
var doc = new XElement(ns + "Document",
              new XAttribute(XNamespace.Xmlns + "xsi", 
                             "http://www.w3.org/2001/XMLSchema-instance"));

Result:

<Document xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
          xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03" />

answered Feb 05 '14 at 12:36

Sergey Berezovskiy

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I got this error when adding the doc to my XDocument This operation would create an incorrectly structured document. – Mark Fenech Feb 05 '14 at 12:42
Updated my query, could you kindly advise. – user3274252 Feb 05 '14 at 12:57
@user3274252 next tag it should be in default namespace `new XElement(ns + "FirstTag")` – Sergey Berezovskiy Feb 05 '14 at 13:12
should I include +ns in all my elements :O ? – Mark Fenech Feb 05 '14 at 13:18
@MarkFenech if elements should be in namespace, then yes, you should provide full name, not just local name – Sergey Berezovskiy Feb 05 '14 at 13:30

Including xmlns in my XML file

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