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From: Muhammad Rizwan Nawaz <rizwan_nawaz786@...>
To: phpresource@yahoogroups.com
Sent: Monday, June 8, 2009 6:35:43 AM
Subject: RE: [phpResource] multilevel categories
Hi,
Top most element don't have parent so it's partent_id is 0. Your first query is
Select * from hosp_categories where parent_id = '0'
This will give you the top elements which you can loop and shows in <select. Once the user select any of the element in Top <select you have to pass it's id in query string and run the following query to load the child,
select * from hosp_categories where parent_id = '$ID FROM QUERY STRING'
This will give you the list of child of selected which you can easily show in <select. Same procedure is follow for next level of category. You can go till n level with this approach.
Thanks
Best Regards,
Muhammad Rizwan Nawaz
Email / MSN Messenger: rizwan_nawaz786@ hotmail.com
Gmail: rizwannawaz@ gmail.comÂ
Yahoo IM:
rizwan051
AOL IM: riznawaz
Skype: rizwannawaz
ICQ: 442047681Â
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To: phpresource@ yahoogroups. com
From: badr@mohamedbadr. com
Date: Sun, 7 Jun 2009 15:45:27 +0300
Subject: [phpResource] multilevel categories
I have categories table with multilevel categories I need to make the insert statement for the sub categories and sub subcategories so I need to populate a <select> box with this tree so I can insert the parent id with the new subcategory
Anyone knows how to populate this select box with the tree ??
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The table is here
Â
CREATE TABLE IF NOT EXISTS `hosp_categories` (
 `category_id` int(10) NOT NULL auto_increment,
 `parent_id` int(10) NOT NULL,
 `title` varchar(255) NOT NULL,
 `description` text NOT NULL,
 `image` varchar(255) NOT NULL default '',
 PRIMARY KEY (`category_id` )
) ENGINE=MyISAMÂ DEFAULT CHARSET=latin1 AUTO_INCREMENT= 7 ;
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