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.NET Forum / Languages / C# / May 2008adding attribute to a xml element
I need to set an atribute to an xml element, I know how to do it with XElement.SetAttributeValue method. But What I am trying to do is, I need to add a attribute with a namespace like the following test:name="tester" When I try to add, it fails with : not a valid character in attribute. So my question is How do I go about adding the new namespace to XDocument and also the the attribute so that set attribute value doesn't fail. Thanks you very much Something like: XNamespace ns = "urn:my-namespace"; XElement el = new XElement("Foo", new XAttribute(XNamespace.Xmlns + "test", ns), new XAttribute(ns + "name", "tester")); string xml = el.ToString(); Marc (example with a separate root element) XNamespace ns = "urn:my-namespace"; XDocument doc = new XDocument( new XElement("Foo", new XAttribute(XNamespace.Xmlns + "test", ns), new XElement("Bar", new XAttribute(ns + "name", "tester")))); string xml = doc.ToString(); > (example with a separate root element) > [quoted text clipped - 5 lines] > new XAttribute(ns + "name", "tester")))); > string xml = doc.ToString(); Excellent, Thanks. > > (example with a separate root element) > [quoted text clipped - 7 lines] > > Excellent, Thanks. One quick question, right now with this it works, but by default the program is creating a namepsace of 'p7', is there a way, I can force the p7 to a different name say csharp? Thanks. > One quick question, right now with this it works, but by default the > program is creating a namepsace of 'p7', is there a way, I can force > the p7 to a different name say csharp? It is creating an *alias* of p7 because you haven't added the xmlns attribute to the root. Note that my example doesn't generate any p7, p2, etc - unless I drop the line: new XAttribute(XNamespace.Xmlns + "test", ns), Include a similar line, aliasing your namespace as whatever (where I've aliased as "test") and you should be sorted. If you have problems, can you post a short but complete example? (since the code works "as posted", we'd need to look at what is different...) Marc > > One quick question, right now with this it works, but by default the > > program is creating a namepsace of 'p7', is there a way, I can force [quoted text clipped - 11 lines] > > Marc Thanks, I was missing the alias. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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