var temp2 = temp1.Element("staticContent");

            if (temp2 != null)

            {

                string str = "<remove fileExtension=\".svg\" />\r\n               <mimeMap fileExtension=\".svg\" mimeType=\"image/svg+xml\" />\r\n               <remove fileExtension=\".nupkg\" />\r\n               <mimeMap fileExtension=\".nupkg\" mimeType=\"application/zip, application/octet-stream\" />\r\n               <remove fileExtension=\".webm\" />\r\n               <mimeMap fileExtension=\".webm\" mimeType=\"video/webm\" />\r\n               <remove fileExtension=\".mp4\" />\r\n               <mimeMap fileExtension=\".mp4\" mimeType=\"video/mp4\" />";

                temp2.AddFirst(XElement.Parse(str));

            }

    [Test]

        public void XmlTest()

        {

            string xml = "<Record ID=\"135\" Key=\"CustomTableItemID\" /> <Record ID=\"23\" Key=\"CustomTableID\" />";

            XElement element = XElement.Parse(xml);

            Console.WriteLine(element);

        }