Question

How can i change the XElement attribute name in c#?

So if

<text align="center"> d hhdohd  </text>

after change the attribute name align to text-align

<text text-align="center> d hhdohd  </text>

Answer 1

Using LINQ-XML, you can remove an existing attribute and then add a new one.

Xml markup:

<?xml version="1.0" encoding="utf-8"?>
<root>
  <text align="center" other="attribute">Something</text>
</root>

Code:

 XDocument doc = XDocument.Load(file);
 var element = doc.Root.Element("text");
 var attList = element.Attributes().ToList();
 var oldAtt = attList.Where(p => p.Name == "align").SingleOrDefault();
 if (oldAtt != null)
  {
   XAttribute newAtt = new XAttribute("text-align", oldAtt.Value);
   attList.Add(newAtt);
   attList.Remove(oldAtt);
   element.ReplaceAttributes(attList);
   doc.Save(file);
 }