Warning: mysql_num_rows() supplied argument is not a valid MySQL result resource
Posted on
16th Feb 2014 07:03 pm by
admin
This may be simple I just may need another pair of eyes..
When i get records back the below code works just fine, when I get 0 rows back it shows the warning below. As you can see I tried to code for it and you can see that the code works as it echo's my message but I want the warning to go away
Did you know?Explore Trending and Topic pages for more stories like this.
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in show_coupon_list.php on line 224
No Coupons for this Catogory or Business. Please let us know about the Category that displayed no results so we can contact businesses for you!
Code: $cat_coupons = mysql_query("SELECT a.business_name, a.seq_id, a.state, a.city
FROM users a where a.seq_id = '$cat_coupons_seq_id'");
Code: $cat_num=mysql_num_rows($cat_coupons);
if ($cat_num > 0)
{
while ($row = mysql_fetch_array($cat_coupons))
{
$business_name = $row["business_name"];
$business_id = $row["seq_id"];
$state = $row["state"];
$city = $row["city"];
echo"<tr>
<td align = 'left'> <a href=show_coupon.php?business=".urlencode($business_name).">$business_name $city,$state </a></td>
</tr>";
}
}
else
echo"<tr>
<td>No Coupons for this Catogory or Business. Please let us know about the Category that
displayed no results so we can contact businesses for you!
</td>
</tr>";
No comments posted yet
Your Answer:
Login to answer
348
5
Other forums
records between 2 dates
Hello all,
I have a date tracked table which contains effective_start_date and effective
Help with search.php
Hello All
I need the search engine on a site I am building at the moment to display the searc
UDS 4.0 Datatype issue
UDS 4.0.322 -- connecting to NI Labview 9.0
When using connection method: Cache with live
Not reloading page after php form submit
Hello helpful souls out there. You guys have come through for me in the recent past and I'm hoping s
Mail form doesn't send Russian/Cyrillic characters correctly?
When someone enters foreign characters (like Cyrillic text, and Japanese/Chinese probably gives the
Baffled by Undefined Index in Simple Array: Please Help!
Hello. I have a form which posts an array to this script. However, I can't seem to access the values
opening a window with after form submission
I know this this forum has nothing to do with JS, but i'm trying to use it with my php script.
<
Production of mango in processing industry
Hi,
We have one scenario ,company is in process industry,they are manufacturing MANGO pul
Upload, SSL and more php help
I recently just installed a ssl cert and do i use https for the whole site or just for the checkout.
Undefined variables
hi
----------------------------------------------------------------------------------------------