title: How To Add ":" (namespace prefix) in XAttribute Name in Xml
body: <p>i have one xml file and using in silverlight.</p>
  
  <pre><code>doc.Descendants(xamlparent).FirstOrDefault().Add(new XAttribute("x:Class","WorkflowConsoleApplication1.modify"));
  </code></pre>
  
  <p>but in this ":" hexadecimal cause error.how can i add this hexadecimal in attribute name.is this possible ?.</p>