xmlfile1.xml
<?xml version="1.0" encoding="utf-8" ?>
<?xml-stylesheet type="text/xsl" href="style.xsl"?>
<xinwen>
<news>
<news_id>1</news_id>
<news_title>上海国际艺术节开幕</news_title>
<news_author>王建宁</news_author>
<news_ly>原创</news_ly>
<news_content>第十三届中国上海国际艺术节将于11月18日举办。</news_content>
<news_adddate>2013-10-18</news_adddate>
</news>
<news>
<news_id>2</news_id>
<news_title>上海首批公租房下月起招租</news_title>
<news_author>王水宁</news_author>
<news_ly>转载</news_ly>
<news_content>两小区分别位于徐汇华庭和上体馆附近。</news_content>
<news_adddate>2013-10-18</news_adddate>
</news>
</xinwen>
webform1.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="test15_6.WebForm1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" BackColor="White" BorderColor="#999999" BorderStyle="Solid" BorderWidth="1px" CellPadding="3" ForeColor="Black" GridLines="Vertical">
<AlternatingRowStyle BackColor="#CCCCCC" />
<FooterStyle BackColor="#CCCCCC" />
<HeaderStyle BackColor="Black" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#999999" ForeColor="Black" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#000099" Font-Bold="True" ForeColor="White" />
<SortedAscendingCellStyle BackColor="#F1F1F1" />
<SortedAscendingHeaderStyle BackColor="#808080" />
<SortedDescendingCellStyle BackColor="#CAC9C9" />
<SortedDescendingHeaderStyle BackColor="#383838" />
</asp:GridView>
请选择节点<asp:DropDownList ID="DropDownList1" runat="server"></asp:DropDownList><br /><br />
新节点标题名<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" Text="修改" OnClick="Button1_Click" />
</div>
</form>
</body>
</html>
webform1.aspx.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Xml;
namespace test15_6
{
public partial class WebForm1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
System.Data.DataSet ds = new System.Data.DataSet();
ds.ReadXml(Server.MapPath("XMLFile1.xml"));
GridView1.DataSource = ds;
GridView1.DataBind();
DropDownList1.DataSource = ds;
DropDownList1.DataTextField = "news_title";
DropDownList1.DataBind();
}
}
protected void Button1_Click(object sender, EventArgs e)
{
XmlDocument doc = new XmlDocument();
doc.Load(Server.MapPath("XMLFile1.xml"));
XmlNodeList xnl = doc.SelectSingleNode("xinwen").ChildNodes;
foreach (XmlNode xn in xnl)
{
XmlElement xe = (XmlElement)xn;
if (xe.Name == "news")
{
XmlNodeList xnlChild = xe.ChildNodes;
foreach (XmlNode xnChild in xnlChild)
{
XmlElement xeChild = (XmlElement)xnChild;
if (xeChild.Name == "news_title" && xeChild.InnerText == DropDownList1.SelectedValue.Trim())
{
xeChild.InnerText = TextBox1.Text.Trim();
Response.Write("<script>alert('修改成功')</script>");
}
}
}
}
doc.Save(Server.MapPath("XMLFile1.xml"));
Response.Write("<script>window.location='WebForm1.aspx'</script>");
}
}
}