System.Data.DataSet.WriteXml C# (CSharp) Method

        public void WriteXml(Stream stream, XmlWriteMode mode)
        {
            if (stream != null)
            {
                XmlTextWriter w = new XmlTextWriter(stream, null);
                w.Formatting = Formatting.Indented;

                WriteXml(w, mode);
            }
        }

        public static void SaveDataSetAsXml(DataSet set, string fileName)
        {
            string file = Regex.Replace( fileName, extPattern, fileName );
             fileName = VerifyFileExt( fileName, ".xml" );

             set.WriteXml( fileName );
             set.WriteXmlSchema( file + ".xsd" );
        }