相信很多使用过梅花雪的程序员都觉得这个树的效率相当高,相当快。可惜的还没有人发布过asp.net版本的。通过半天的努力,我终于实现了,现将我写的程序公布出来,让大家参考一下。
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 );
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.focus(4945); 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 SiteID,isnull(PID,0) as PID,SiteCaption From AreaSite order by SiteID"; 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["SiteID"].ToString() + "\"" + "] = "; node = node + "\"" + "text:" + dr["SiteCaption"].ToString() + ";" + "\""; Response.Write(node); } if (!dr.IsClosed) dr.Close(); } } }
转自: http://community.csdn.net/Expert/topic/5610/5610481.xml?temp=.3120691
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