c#读取xml内容保定到dropdownlist

来源：互联网发布：言论自由与网络暴力编辑：程序博客网时间：2024/04/28 01:54

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="xmldemo2.aspx.cs" Inherits="Ado_upper.xmldemo2" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

        </table>
    </div>
    </form>
</body>
</html>

apx.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 Ado_upper
{
    public partial class xmldemo2 : System.Web.UI.Page
    {
        XmlDocument xdoc;
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                XmlDocument xdoc = new XmlDocument();
                xdoc.Load(Server.MapPath("books.xml"));//声明一个xml文档实力
                XmlNodeList list = xdoc.GetElementsByTagName("name");
                foreach (XmlNode node in list)
                {
                    this.DropDownList1.Items.Add(node.InnerText);
                }
                Session["doc"] = xdoc;
            }
            else
            {
                xdoc = Session["doc"] as XmlDocument;
            }

}

        protected void Button1_Click(object sender, EventArgs e)
        {
            XmlNode node= xdoc.DocumentElement.SelectSingleNode("book[name='" + DropDownList1.Text + "']");
            foreach (XmlNode item in node.ChildNodes)
            {
                if (item.LocalName == "author")
                {
                    this.TextBox1.Text = item.InnerText;
                }
                if (item.LocalName == "publisher")
                {
                    this.TextBox2.Text = item.InnerText;
                }
                if (item.LocalName == "date")
                {
                    this.TextBox3.Text = item.InnerText;
                }
                if (item.LocalName == "name")
                {
                    this.TextBox4.Text = item.InnerText;
                }
                if (item.LocalName == "isbn")
                {
                    this.TextBox5.Text = item.InnerText;
                }
                if (item.LocalName == "price")
                {
                    this.TextBox6.Text = item.InnerText;
                }
            }
        }
    }
}

内容上划红圈的地方请忽略。代码改一下就可以了。