foreach (SPListItem item in NML.Items)
            {
                string name = item["Name"].ToString();
                if (name == "name.xml")
                {
                    XmlDocument xml = new XmlDocument();

                    //Open XML file and load it into XML document
                    using (Stream s = item.File.OpenBinaryStream())
                    {
                        xml.Load(s);
                    }

                    XmlNodeList nodes = xml.GetElementsByTagName("/my:myFields/my:hideComplete");
                    foreach (XmlNode node in nodes)
                    {
                        node.InnerText = "0";
                    }

                    //Get binary data for new XML
                    byte[] xmlData = System.Text.Encoding.UTF8.GetBytes(xml.OuterXml);

                    using (MemoryStream ms = new MemoryStream(xmlData))
                    {
                        //Write data to SharePoint XML file
                        item.File.SaveBinary(ms);
                    }
                }
            }