呵呵，不是什么新东西：）最后代码下载。
XML文件：
<?xml version="1.0" standalone="yes"?>
<XmlDataSet>
<UserInfo>
<Id>1</Id>
<Name>赵AX</Name>
</UserInfo>
<UserInfo>
<Id>2</Id>
<Name>钱BB</Name>
</UserInfo>
<UserInfo>
<Id>3</Id>
<Name>孙CC</Name>
</UserInfo>
<UserInfo>
<Id>4</Id>
<Name>李DY</Name>
</UserInfo>
<UserInfo>
<Id>5</Id>
<Name>周EF</Name>
</UserInfo>
<UserInfo>
<Id>6</Id>
<Name>吴FF</Name>
</UserInfo>
<UserInfo>
<Id>7</Id>
<Name>郑GG</Name>
</UserInfo>
</XmlDataSet>
前台代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ObjectDataSource ID="ObjectDataSource1" runat="server" DeleteMethod="DeleteDataSet"
InsertMethod="InsertDataSet" SelectMethod="GetDataSet" TypeName="UserInfoTable"
UpdateMethod="UpdateDataSet">
<DeleteParameters>
<asp:Parameter Name="Id" Type="Int32" />
</DeleteParameters>
<UpdateParameters>
<asp:Parameter Name="Id" Type="Int32" />
<asp:Parameter Name="Name" Type="String" />
</UpdateParameters>
<InsertParameters>
<asp:Parameter Name="Name" Type="String" />
</InsertParameters>
</asp:ObjectDataSource>
</div>
<asp:GridView ID="GridView1" runat="server" DataSourceID="ObjectDataSource1">
<Columns>
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
</Columns>
</asp:GridView>
<asp:DetailsView ID="DetailsView1" runat="server" DataSourceID="ObjectDataSource1"
Height="81px" Width="125px" AllowPaging="True">
<Fields>
<asp:CommandField ShowInsertButton="True" />
</Fields>
</asp:DetailsView>
</form>
</body>
</html>
后台（UserInfoTable.cs）代码：
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);
}
}
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