Question

When a user clicks an item on my items page, it takes them to blank page template using $_GET to pass the item brand and model through.

I’d like to perform another MYSQL query when that user clicks through to populate the blank page with the product details from my database. I’d like to retrieve the single row using the model number (unique ID) to populate the page with the information. I’ve tried a couple of things but am having a little difficulty.

On my blank item page, I have

                $brand = $_GET['Brand'];
                $modelnumber = $_GET['ModelNumber'];

                $query = mysql_query("SELECT * FROM items WHERE `Model Number` = '$modelnumber'");
                $results = mysql_fetch_row($query);

                echo $results;

I think having ”s around Model Number is causing troubles, but without them, I get a Warning: mysql_fetch_row() expects parameter 1 to be resource, boolean given error.

My database columns looks like

Brand | Model Number | Price | Description | Image

A few other things I have tried include

$query = mysql_query("SELECT * FROM item WHERE Model Number = $_GET['ModelNumber']");

Which gave me a syntax error. I’ve also tried concatenating the $_GET which gives me a mysql_fetch_row() expects parameter 1 to be resource, boolean given error

Which leads me to believe that I’m also going about displaying the results incorrectly. I’m not sure if I need to put it in a where loop like I have with my previous page which displays all items in the database because this is just displaying one.

Answer 1

It seems that your “result” is pulling in too much information for a single variable.
Also, I don’t think your table should have column names with spaces, I would suggest filling them all with dashes or underscores.

Here’s my suggestion:

$qry = mysql_query("SELECT * FROM items WHERE Model_Number = '$modelnumber'"); //REMEMBER TO MAKE THE CHANGE "Model Number" -> "Model_Number"
while($row = mysql_fetch_array($qry)){
    $brand = $row['Brand'];
    $modelnumber = $row['Model_Number'];
    $price = $row['Price'];
    $description = $row['Description'];
    $image = $row['Image'];
}

This will populate all of these variables with whatever you have in your tables.