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高速的asp.net目录树源代码

www.jz123.cn 2012-12-21 来源: 站长家园责任编辑(袁袁) 我要投递新闻

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 = TreeDemo.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();
        }
    }
}

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