Asp.Net 操作XML文件的增删改查 利用GridView
不废话，直接上如何利用Asp.NET操作XML文件，并对其属性进行修改，刚开始的时候，是打算使用JS来控制生成XML文件的，但是最后却是无法创建文件，读取文件则没有使用了
index.aspx 文件
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="index.aspx.cs" Inherits="XmlManager.index" %>
XML管理平台（管理员）
index.aspx.cs文件
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml;
namespace XmlManager
{
public partial class index : System.Web.UI.Page
{
Command com = new Command();
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
LoadGridView();
}
}
//绑定数据
private void LoadGridView()
{
this.GridView1.DataSource = Command.LoadDs().Tables[0];
this.GridView1.DataBind();
}
//编辑
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
LoadGridView();
}
//数据更新
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
Update(e);
GridView1.EditIndex = -1;
LoadGridView();
}
//取消编辑
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
LoadGridView();
}
///
/// 更新xml数据
///
private void Update(GridViewUpdateEventArgs e)
{
string id=((Label)GridView1.Rows[e.RowIndex].FindControl("Label1")).Text;
string key = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtKey")).Text;
string value = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtValue")).Text;
string explain = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtExplain")).Text;
//Response.Write("");
//通过ID获取信息，然后更改信息
XmlDocument doc = new XmlDocument();
doc.Load(com.XmlFilePath());
XmlNode information = doc.SelectSingleNode("information");//查找出根节点
foreach (XmlNode property in information.ChildNodes)
{
XmlNode temp_node = property.FirstChild;
if (temp_node.InnerText == id)
{
//第一种方式
//property.RemoveAll();
//XmlElement ele_id = doc.CreateElement("id");
//ele_id.InnerText = id;
//property.AppendChild(ele_id);
//另外三个属性如上
//第二种方式
property.ChildNodes[1].InnerText = key;
property.ChildNodes[2].InnerText = value;
property.ChildNodes[3].InnerText = explain;
doc.Save(com.XmlFilePath());
break;
}
}
}
//删除
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
Command.Delete(this.GridView1, e);
LoadGridView();
}
//添加节点事件
protected void Btn_Add_Click(object sender, EventArgs e)
{
Add();
LoadGridView();
this.txt_Id.Text = "";
this.txt_Key.Text = "";
this.txt_Value.Text = "";
this.txt_Explain.Text = "";
}
//添加
private void Add()
{
string id = this.txt_Id.Text;
string key = this.txt_Key.Text;
string value = this.txt_Value.Text;
string explain = this.txt_Explain.Text;
//从最后一个插入一条数据
XmlDocument doc = new XmlDocument();
doc.Load(com.XmlFilePath());
XmlNode information = doc.SelectSingleNode("information");
XmlElement property = doc.CreateElement("property");
XmlElement ele_id = doc.CreateElement("id");
ele_id.InnerText = id;
property.AppendChild(ele_id);
XmlElement ele_key = doc.CreateElement("key");
ele_key.InnerText = key;
property.AppendChild(ele_key);
XmlElement ele_value = doc.CreateElement("value");
ele_value.InnerText = value;
property.AppendChild(ele_value);
XmlElement ele_explain = doc.CreateElement("explain");
ele_explain.InnerText = explain;
property.AppendChild(ele_explain);
information.InsertAfter(property, information.LastChild);
doc.Save(com.XmlFilePath());
}
}
}Command.cs 文件
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Data.SqlClient;
using System.Xml;
using System.IO;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace XmlManager
{
public class Command:System.Web.UI.Page
{
#region 返回当前XML文件路径
///
/// 返回当前XML文件路径
///
///
/// 返回加载的xml源
///
///
/// 删除XML元素
///
///
///
public static void Delete(GridView grid, GridViewDeleteEventArgs e)
{
Command com = new Command();
XmlDocument doc = new XmlDocument();
doc.Load(com.XmlFilePath());
XmlNode information = doc.SelectSingleNode("information");
foreach (XmlNode property in information.ChildNodes)
{
XmlNode node_id = property.FirstChild;
if (node_id.InnerText == ((Label)grid.Rows[e.RowIndex].FindControl("Label1")).Text)
{
property.ParentNode.RemoveChild(property);
}
}
doc.Save(com.XmlFilePath());
}
#endregion
}
}UserEdit.aspx 文件
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="UserEdit.aspx.cs" Inherits="XmlManager.UserEdit" %>
XML管理平台（用户版）
UserEdit.aspx.cs 文件
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml;
using System.Data;
using System.Data.SqlClient;
using System.IO;
namespace XmlManager
{
public partial class UserEdit : System.Web.UI.Page
{
Command com = new Command();
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
LoadGridView();
}
}
//绑定数据
private void LoadGridView()
{
this.GridView1.DataSource = Command.LoadDs().Tables[0];
this.GridView1.DataBind();
}
//编辑
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
LoadGridView();
}
//数据更新
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
Update(e);
GridView1.EditIndex = -1;
LoadGridView();
}
//取消编辑
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
LoadGridView();
}
///
/// 更新xml数据
///
private void Update(GridViewUpdateEventArgs e)
{
string id = ((Label)GridView1.Rows[e.RowIndex].FindControl("Label1")).Text;
string key = ((Label)GridView1.Rows[e.RowIndex].FindControl("Label2")).Text;
string value = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtValue")).Text;
string explain = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("txtExplain")).Text;
//Response.Write("");
//通过ID获取信息，然后更改信息
XmlDocument doc = new XmlDocument();
doc.Load(com.XmlFilePath());
XmlNode information = doc.SelectSingleNode("information");//查找出根节点
foreach (XmlNode property in information.ChildNodes)
{
XmlNode temp_node = property.FirstChild;
if (temp_node.InnerText == id)
{
//第一种方式
//property.RemoveAll();
//XmlElement ele_id = doc.CreateElement("id");
//ele_id.InnerText = id;
//property.AppendChild(ele_id);
//另外三个属性如上
//第二种方式
property.ChildNodes[1].InnerText = key;
property.ChildNodes[2].InnerText = value;
property.ChildNodes[3].InnerText = explain;
doc.Save(com.XmlFilePath());
break;
}
}
}
//流方式下载
protected void Btn_Down_Click(object sender, EventArgs e)
{
string fileName = "user.xml";//客户端保存的文件名
string filePath = com.XmlFilePath();//下载的路径
//以字符流的形式下载文件
FileStream fs = new FileStream(filePath, FileMode.Open);
byte[] bytes = new byte[(int)fs.Length];
fs.Read(bytes, 0, bytes.Length);
fs.Close();
Response.ContentType = "application/octet-stream";//设置输出流类型——二进制
//通知浏览器下载文件而不是打开
Response.AddHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
Response.BinaryWrite(bytes);
Response.Flush();
Response.End();
}
}
}test.xml 文件
1
神兽
皮卡丘
来自宠物小精灵
2
神兽
炎帝
来自宠物小精灵
3
神兽
水君
来自宠物小精灵
4
神兽
洛基亚
来自宠物小精灵
5
神兽
金刚武神兽
来自数码宝贝
6
李逍遥
御剑术
来自仙剑一的法术
7
李逍遥
万剑诀
来自仙剑一的法术