培养良好的习惯，每天一点一滴的进步，终将会有收获。
App_Data\UserInfo.xml
<?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>
App_Code\UserInfoTable.cs
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); } } ------------------------------------------------------------------------- Default.aspx <%@ 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>
