private string ConvertDataTabletoXML(DataSet ods) { using (MemoryStream stream = new MemoryStream()) { //XmlReader xx=new XmlRead using (XmlTextWriter writer = new XmlTextWriter(stream,Encoding.Default)) { try { ods.WriteXml(writer,XmlWriteMode.WriteSchema); byte[] bytes = new byte[(int)stream.Length]; stream.Seek(0,SeekOrigin.Begin); stream.Read(bytes,(int)stream.Length); return System.Text.Encoding.Default.GetString(bytes); } catch(Exception err) { return err.Message; } } } } private DataSet ConvertXMLToDataSet(string data) { using (StringReader stream = new StringReader(data)) { using (XmlReader reader = XmlReader.Create(stream)) { try { DataSet ds = new DataSet(); ds.readxml(reader); if (ds.Tables.Count > 0) return ds; else return null; } catch { return null; } } } }