MESProductionWeb/AntORM/Ant.Frame/XmlTODatSet.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Xml;
using System.Data;

namespace ETD.Frame
{
    public class XmlTODatSet
    {
        /// <summary>
        /// xml转DataTable
        /// </summary>
        /// <param name="xmlDS"></param>
        /// <returns></returns>
        private 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();
            }
        }
        /// <summary>
        /// XML转DataSet
        /// </summary>
        /// <param name="xmlData"></param>
        /// <returns></returns>
        private 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();
            }
        }
    }
}