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 Posted by Richard Davey on 12/16/05 14:39 
On 16 Dec 2005, at 12:30, Paul Jinks wrote: 
 
> I have a site where users can search study projects. I'd like to be   
> able to clicks on a project title which passes a variable to this   
> page, which then displays all the data on that project in a table.   
> Cool - and to a noob like me, actually pretty exciting. Except it   
> doesn't work. 
> 
> I get a "couldn't set value of result" message - see end of code.   
> The page displayed all the projects fine when I messed up passing   
> them from the previous page, so the problem is presumably in the   
> first SQL query. Any suggestions? 
> 
> <? 
> 	$connect = mysql_connect("", "", "") 
> 		or die("could not connect"); 
> 	$db = mysql_select_db("") 
> 		or die("could not select db"); 
> 		if (isset($HTTP_GET_VARS['projTitle'])) 
> 	{ 
> 		$SQLQuery = "SELECT * FROM project WHERE 
> 			projTitle = ".$HTTP_GET_VARS['projTitle'] 
> 			or die("SQLQuery 1 failed"); 
> 	} 
> 	else 
> 	{ 
> 		$SQLQuery = "SELECT*FROM project ORDER BY projTitle" 
> 			or die("SQLQuery 2 failed"); 
> 	} 
> 	$result = mysql_query($SQLQuery,$connect) 
> 			or die("couldn't set value of result"); 
> 	 
> ?> 
 
Well you've got 5 die statements in there - which one does it die on?   
Also check that your web host allows the long array names   
($HTTP_GET_VARS), because lots do not. I would suggest replacing   
$HTTP_GET_VARS with $_GET (in all instances), because the long format   
will eventually vanish and your script will cease to work. 
 
There are various issues re: SQL injection and lack of filtering   
going on here, but perhaps not best to dwell on those -just yet-, as   
long as you are aware that your script is lacking in all forms of   
security? Then you can address that once you've got it working. 
 
I assume you removed the MySQL details to post to the mailing list,   
otherwise that won't help too much ;) 
 
Cheers, 
 
Rich 
-- 
http://www.corephp.co.uk 
PHP Development Services
 
  
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