XmlDatasetConvert 該類提供了四種方法: 1、將xml對象內容字符串轉換爲DataSet 2、將xml文件轉換爲DataSet 3、將DataSet轉換爲xml對象字符串 4、將DataSet轉換爲xml文件
using System; using System.Collections.Generic; using System.Text; using System.Data; using System.IO; using System.Xml; namespace XmlDesign { class XmlDatasetConvert { //將xml對象內容字符串轉換爲DataSet public static DataSet ConvertXMLToDataSet(string xmlData) { StringReader stream = null; XmlTextReader reader = null; try { DataSet xmlDS = new DataSet(); stream = new StringReader(xmlData); //從stream裝載到XmlTextReader reader = new XmlTextReader(stream); xmlDS.ReadXml(reader); return xmlDS; } catch (System.Exception ex) { throw ex; } finally { if (reader != null) reader.Close(); } } //將xml文件轉換爲DataSet 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); //從stream裝載到XmlTextReader reader = new XmlTextReader(stream); xmlDS.ReadXml(reader); //xmlDS.ReadXml(xmlFile); return xmlDS; } catch (System.Exception ex) { throw ex; } finally { if (reader != null) reader.Close(); } } //將DataSet轉換爲xml對象字符串 public static string ConvertDataSetToXML(DataSet xmlDS) { MemoryStream stream = null; XmlTextWriter writer = null; try { stream = new MemoryStream(); //從stream裝載到XmlTextReader writer = new XmlTextWriter(stream, Encoding.Unicode); //用WriteXml方法寫入文件. 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(); } } //將DataSet轉換爲xml文件 public static void ConvertDataSetToXMLFile(DataSet xmlDS, string xmlFile) { MemoryStream stream = null; XmlTextWriter writer = null; try { stream = new MemoryStream(); //從stream裝載到XmlTextReader writer = new XmlTextWriter(stream, Encoding.Unicode); //用WriteXml方法寫入文件. xmlDS.WriteXml(writer); int count = (int) stream.Length; byte[] arr = new byte[count]; stream.Seek(0, SeekOrigin.Begin); stream.Read(arr, 0, count); //返回Unicode編碼的文本 UnicodeEncoding utf = new UnicodeEncoding(); StreamWriter sw = new StreamWriter(xmlFile); sw.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>"); sw.WriteLine(utf.GetString(arr).Trim()); sw.Close(); } catch (System.Exception ex) { throw ex; } finally { if (writer != null) writer.Close(); } } } }
使用
using System; using System.Collections.Generic; using System.Text; using System.Xml; using System.Data; namespace XmlDesign { class Program { static void Main(string[] args) { DataSet ds = new DataSet(); 轉換一個XML文件(本地\網絡均可)爲一個DataSet 構造一個DataSet,並轉換爲XML字符串 轉換一個XML字符串爲一個DataSet 轉換一個Dataset爲一個XML文件 Console.ReadLine(); } private static void PrintTableName(string tableName) { Console.WriteLine(tableName); } } }