不多說，直接上代碼：

//DataTable轉Xml字符串 public static string ConvertDataTableToXML(DataTable xmlDS){MemoryStream stream = null;XmlTextWriter writer = null;try{stream = new MemoryStream();writer = new XmlTextWriter(stream, Encoding.Default);xmlDS.WriteXml(writer);int count = (int)stream.Length;byte[] arr = new byte[count];stream.Seek(0, SeekOrigin.Begin);stream.Read(arr, 0, count);UTF8Encoding utf = new UTF8Encoding();return utf.GetString(arr).Trim();}catch{return String.Empty;}finally{if (writer != null) writer.Close();}}//Xml字符串轉DataTablepublic static DataSet ConvertXMLToDataSet(string xmlData){StringReader stream = null;XmlTextReader reader = null;try{DataSet xmlDS = new DataSet();stream = new StringReader(xmlData);reader = new XmlTextReader(stream);xmlDS.ReadXml(reader);return xmlDS;}catch (Exception ex){string strTest = ex.Message;return null;}finally{if (reader != null)reader.Close();}}

總結

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