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简单高效的asp.net目录树源代码

作者：佚名      ASP.NET网站开发编辑：admin      更新时间：2022-07-23

简单高效的asp.net目录树源代码

前台页面：<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Tree._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>目录树</title>    <script type="text/javascript" language="Javascript" src="MzTreeView10.js"></script>    <link href="CSS/Global.css" type="text/css" rel="stylesheet"/>    <style type="text/css">        A.MzTreeview        {            font-size: 9pt;            padding-left: 3px;        }    </style></head><body>    <form id="form1" runat="server">    <script type="text/javascript" language="javascript">    <!--        window.tree = new MzTreeView("tree");        tree.icons["PRoperty"] = "property.gif";        tree.icons["css"] = "collection.gif";        tree.icons["book"]  = "book.gif";        tree.iconsExpand["book"] = "bookopen.gif";        tree.setIconPath("/images/");        <% LoadTree(); %>        tree.setURL("#");        tree.setTarget("");        document.write(tree.toString());    -->    </script>    </form></body></html>
后台页面：using System;using System.Data;using System.Configuration;using System.Collections;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.Data.Sql;using System.Data.SqlClient;using TreeDemo.DBUtility;namespace Tree{    public partial class _Default : System.Web.UI.Page    {        public static string str;        protected void Page_Load(object sender, EventArgs e)        {        }        public void LoadTree()        {                     string sql = "Select ID,isnull(PID,0) as PID,Caption From Tree order by ID";            SqlDataReader dr = Treewww.tydsyy.comDemo.DBUtility.SqlHelper.ExecuteReader(SqlHelper.ConnectionString,CommandType.Text, sql, null);            string node = "";            while(dr.Read())            {                node = "\r\n     tree.nodes[" + "\"" + dr["PID"].ToString() + "_" + dr["ID"].ToString() + "\"" + "] = ";                node = node + "\"" + "text:" + dr["Caption"].ToString() + ";" + "\"";                Response.Write(node);            }            if (!dr.IsClosed)                dr.Close();        }    }}