Question

Question

I have a XML schema as this which i need to append more product to this file , i was trying XMLdocument and Xdocument both classes but didnt got any good results

<prodcuts>
  <product>
    <name>123</name>
    <price>123</price>
  </product>
</products>

CODE:

i was trying Xdocument class with this code

        XDocument xmldoc = XDocument.Load("F://products.xml");
        XElement parentElement = new XElement(xmldoc.XPathSelectElement("product"));
        XElement newElement = new XElement("name","32323");
        XElement newElement = new XElement("price","150");
        parentElement.Add(newElement);
        xmldoc.Save("F://products.xml");

Exception

Value cannot be null.
Parameter name: other

I was tring XMLdocument class too but no results…

Where am i wrong ? … is this problem can solved in LINQ or any other method ?

Answer 1

This will create a new XElement under the Root node which is where I think you want it.

xmlDoc.Root.Add(
    new XElement("product",
        new XElement("name", "456"),
        new XElement("price", "456")));