public XmlAttribute CreateAttribute(string name, string prefix)
{
if (this.XmlDoc == null)
throw new NullReferenceException("There is no XmlDocument loaded. Couldn't create Attribue "+name+" with Prefix "+prefix+". "+this.GetType().ToString());
string nuri = this.GetNamespaceUri(prefix);
return this.XmlDoc.CreateAttribute(prefix, name, nuri);
}