Làm Menu Đa Cấp bằng ASP và MS SQL http://it2hut.net/diendan/showthread.php?tid=2706 Mình code lại bằng PHP + MySQL bạn tham khảo nhé Code create table + insert sample data: Code: Table structure for table `menu` CREATE TABLE IF NOT EXISTS `menu` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` varchar(30) CHARACTER SET utf8 COLLATE utf8_unicode_ci DEFAULT NULL, `parentid` int(11) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=9 ; Dumping data for table `menu` INSERT INTO `menu` (`id`, `name`, `parentid`) VALUES (1, 'a', 0), (2, 'b', 4), (3, 'c', 4), (4, 'd', 1), (5, 'e', 1), (6, 'f', 0), (7, 'g', 6), (8, 'h', 6); code file index.php PHP Code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://w ww.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Mutil level menu code by nhtera</title> <link rel="stylesheet" type="text/css" href="css/styles.css"/> </head> <body> <?php $conn=mysql_connect("localhost", "root", "") or die("can't connect datab ase"); mysql_select_db("testmenu",$conn); $mn = ""; function menu($id) { global $mn; $sql = "select * from menu where parentid=".$id; $query = mysql_query($sql); while($row = mysql_fetch_assoc($query)) { $mn.= "<li><a href='#'>".$row['name']."</a><ul>"; menu($row['id']); $mn.= "</ul></li>"; } } menu(0); $mn = str_replace("<ul></ul>", "", $mn); echo '<div id="wrapper"><div id="mainNav"><h1>Main Menu</h1><ul>'. $mn.'</ul></div></div>'; ?> </body> </html> code file styles.css Code: /* CSS Document */ *{margin:0; padding:0;} #wrapper{ width: 500px; margin: 40px auto; line-height: 2em; font-size: 12px; } /******Menu******/ #mainNav { width: 200px; } #mainNav h1 { font-size:14px; text-align: center; background: #3883cc; color: white; -moz-border-radius: 5px 5px 0px 0px; -webkit-border-radius: 5px 5px 0px 0px; } #mainNav ul { list-style: none; border:1px solid #bccbd8; } #mainNav ul li { position: relative; border-bottom: 1px solid #bccbd8; } #mainNav ul li a{ color: #1e5b7e; text-decoration: none; padding: 5px 5px 5px 5px; } #mainNav ul li a:hover{ text-decoration: underline; } #mainNav ul li ul { position: absolute; top: -1px; left: 198px; display: none; } #mainNav ul li:hover ul { display: block; width: 100%; } #mainNav ul li:hover ul li ul { display: none; } #mainNav ul li ul li:hover ul { display: block; width:100%; } Bổ sung thêm code bằng asp + sql server Code create database Code: CREATE DATABASE testmenu GO USE testmenu GO CREATE TABLE [menu]( [id] INT not null, [name] NVARCHAR(50) not null, [parentid] INT not null ) GO INSERT INTO [menu]([id],[name],[parentid]) VALUES (1, 'a', 0) INSERT INTO [menu]([id],[name],[parentid]) VALUES (2, 'b', 4) INSERT INTO [menu]([id],[name],[parentid]) VALUES (3, 'c', 4) INSERT INTO [menu]([id],[name],[parentid]) VALUES (4, 'd', 1) INSERT INTO [menu]([id],[name],[parentid]) VALUES (5, 'e', 1) INSERT INTO [menu]([id],[name],[parentid]) VALUES (6, 'f', 0) INSERT INTO [menu]([id],[name],[parentid]) VALUES (7, 'g', 6) INSERT INTO [menu]([id],[name],[parentid]) VALUES (8, 'h', 6) Code file index.asp Code: <!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Untitled Document</title> <link rel="stylesheet" type="text/css" href="css/styles.css"/> </head> <body> <% conn = "provider=SQLOLEDB;server=.;database=testmenu;uid=sa;pwd=1234567" mn = "" sub menu(id) set rs = Server.createObject("ADODB.RecordSet") rs.open "select * from menu where parentid="&id,conn while not rs.eof mn=mn&"<li><a href='#'>"& rs("name")&"</a><ul>" menu rs("id") mn=mn& "</ul></li>" rs.movenext wend end sub menu 0 mn = replace(mn,"<ul></ul>","") Response.write("<div id='wrapper'><div id='mainNav'><h1>Main Menu</h1><ul>"&mn&"</ul></div></div>") %> </body> </html> . Làm Menu Đa Cấp bằng ASP và MS SQL http://it2hut.net/diendan/showthread.php?tid=2706 Mình code lại bằng PHP + MySQL bạn tham khảo nhé Code create. display: block; width:100%; } Bổ sung thêm code bằng asp + sql server Code create database Code: CREATE DATABASE testmenu GO USE testmenu GO CREATE TABLE [menu] ( [id] INT not null, [name] NVARCHAR(50). connect datab ase"); mysql_select_db("testmenu",$conn); $mn = ""; function menu( $id) { global $mn; $sql = "select * from menu where parentid=".$id; $query = mysql_query($sql);