using System;

using System.Linq;

using System.Xml.Linq;

​

namespace ConsoleApplication1

{

    public class TestRemove

    {

        public static void Main() {

            Console.WriteLine("----OLD TREE STARTS---");

            XElement doc = XElement.Parse(@"<magento_api>

                                              <data_item>

                                                <code>400</code>

                                                <message>Attribute weight is not applicable for product type Configurable Product</message>

                                              </data_item>

                                              <data_item>

                                                <code>400</code>

                                                <message>Resource data pre-validation error.</message>

                                              </data_item>

                                              <data_item>

                                                <code>1</code>

                                                <message></message>

                                              </data_item>

                                              <data_item>

                                                <code></code>

                                                <message>No code was given</message>

                                              </data_item>

                                        </magento_api>");

            Console.Write(doc.ToString());

            Console.WriteLine("");

            Console.WriteLine("----OLD TREE ENDS---");

            Console.WriteLine("");

            doc.Descendants().Where(e => string.IsNullOrEmpty(e.Value)).Remove();

            Console.WriteLine("----NEW TREE STARTS---");

            Console.Write(doc.ToString());

            Console.WriteLine("");

            Console.WriteLine("----NEW TREE ENDS---");

            Console.ReadKey();

        }

    }

}