近来在网上看见一个xml操作类.....呵呵,挺好, 各位看看,希望能对想了解xml的人有所帮助.. 呵呵..... using System;using System.Data;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;using System.Globalization;/**//// <summary>/// 操作XML文件/// </summary>public class UserInfoTable : IDisposable...{ /**//// <summary> /// XML文件路径 /// </summary> private static string strXmlFile = "~/App_Data/UserInfo.xml"; /**//// <summary> /// DataSet对象 /// </summary> private DataSet dataset = null; /**//// <summary> /// XML文件相对路径 /// </summary> private string strFilePath = null; /**//// <summary> /// 构造函数 /// </summary> public UserInfoTable() ...{ // 实例化DataSet dataset = new DataSet(); // 不依赖于区域性 dataset.Locale = CultureInfo.InvariantCulture; // 取得XML文件虚拟路径 strFilePath = HttpContext.Current.Server.MapPath(strXmlFile); // 读取XML文件 dataset.ReadXml(strFilePath); } /**//// <summary> /// 资源释放 /// </summary> public void Dispose() ...{ // 关闭DataSet dataset.Dispose(); GC.SuppressFinalize(this); } /**//// <summary> /// 检索数据 /// </summary> /// <returns>DataSet对象</returns> public DataSet GetDataSet() ...{ // 返回DataSet对象 return dataset; } /**//// <summary> /// 更新数据 /// </summary> /// <param name="nID">Id</param> /// <param name="strName">Name</param> /// <returns>更新是否成功</returns> public void UpdateDataSet(int Id, string Name) ...{ try ...{ // 选择节点条件 string strFilter = "Id=" + Id.ToString(CultureInfo.InvariantCulture); // 记录取得的行的集合 DataRow[] rows = dataset.Tables[0].Select(strFilter); // 如果取到记录 if (rows.Length > 0) ...{ // 更新数据 rows[0]["Name"] = Name; // 保存数据 Save(); } } catch (Exception) ...{ } } /**//// <summary> /// 删除一条数据 /// </summary> /// <param name="nID">ID</param> /// <returns>是否删除成功</returns> public void DeleteDataSet(int Id) ...{ try ...{ // 选择节点条件 string strFilter = "Id=" + Id.ToString(CultureInfo.InvariantCulture); // 记录取得的行的集合 DataRow[] rows = dataset.Tables[0].Select(strFilter); // 如果取到记录 if (rows.Length > 0) ...{ // 删除数据 rows[0].Delete(); // 保存数据 Save(); } } catch (Exception) ...{ } } /**//// <summary> /// 插入数据 /// </summary> /// <param name="strName">姓名</param> /// <returns>是否插入成功</returns> public void InsertDataSet(int Id, string Name) ...{ DataRow row = dataset.Tables[0].NewRow(); row["Id"] = Id; row["Name"] = Name; dataset.Tables[0].Rows.Add(row); Save(); } /**//// <summary> /// 保存XML文档 /// </summary> private void Save() ...{ // 写入XML文档 dataset.WriteXml(strFilePath, XmlWriteMode.IgnoreSchema); }}