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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.IO;
using System.Xml;
namespace XmlDesign
{
class XmlDatasetConvert
{
//½«xml¶ÔÏóÄÚÈÝ×Ö·û´®×ª»»ÎªDataSet
public static DataSet ConvertXMLToDataSet(string xmlData)
{
StringReader stream = null;
XmlTextReader reader = null;
try
{
DataSet xmlDS = new DataSet();
stream = new StringReader(xmlData);
//´Óstream×°Ôص½XmlTextReader
reader = new XmlTextReader(stream);
xmlDS.ReadXml(reader);
return xmlDS;
}
catch (System.Exception ex)
{
throw ex;
}
finally
{
if (reader != null) reader.Close();
}
}
//½«xmlÎļþת»»ÎªDataSet
public static DataSet ConvertXMLFileToDataSet(string xmlFile)
{
StringReader stream = null;
XmlTextReader reader = null;
try
{
XmlDocument xmld = new XmlDocument();
xmld.Load(xmlFile);
DataSet xmlDS = new DataSet();
stream = new StringReader(xmld.InnerXml);
//´Óstream×°Ôص½XmlTextReader
reader = new XmlTextReader(stream);
xmlDS.ReadXml(reader);
//xmlDS.ReadXml(xmlFile);
return xmlDS;
}
catch (System.Exception ex)
{
throw ex;
}
finally
{
if (reader != null) reader.Close();
}
}
//½«DataSetת»»Îªxml¶ÔÏó×Ö·û´®
public static string ConvertDataSetToXML(DataSet xmlDS)
{
MemoryStream stream = null;
XmlTextWriter writer = null;
try
{
stream = new MemoryStream();
//´Óstream×°Ôص½XmlTextReader
writer = new XmlTextWriter(stream, Encoding.Unicode);
//ÓÃWriteXml·½·¨Ð´ÈëÎļþ.
xmlDS.WriteXml(writer);
int count = (int)stream.Length;
byte[] arr = new byte[count];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(arr, 0, count);
UnicodeEncoding utf = new UnicodeEncoding();
return utf.GetString(arr).Trim();
}
catch (System.Exception ex)
{
throw ex;
}
finally
{
if (writer != null) writer.Close();
}
}
//½«DataSetת»»ÎªxmlÎļþ
public static void ConvertDataSetToXMLFile(Dat