Hiding a button

[Erwin007]

Hi,

in my code I have this:

<div class="col col-md-2 offset-md-7">
     <label>Total Sales US$:</label>
     <input type="text" style="text-align:right;" name="total_am" value="<?php echo $total_am?>" class="form-control total">
</div>

When $total_am is greater than 0 it has to hide the button

tried this:

<div class="col col-md-2 offset-md-7">
     <label>Total Sales US$:</label>
     <input type="text" style="text-align:right;" name="total_am" value="<?php echo $total_am?>" class="form-control total">
     <?php
           onoff(total_am);
     ?>
</div>

<script>
    function onoff(value) {
        if(value==="0") { 
            document.getElementById('DeleteButton').hidden = true; 
        } else { 
            document.getElementById('DeleteButton').hidden = false;
        }
    }
</script>

 

But execution of the rest stops after getting to onoff(total_am)

 

Trying for hours but can't get it to work

Thanks

[Barand]

You can't call a javascript function from PHP. Javascript runs on the client after php has finished running on the server.

[Erwin007]

Ok, that doesn't solve my problem unfortunately, still no clue how to get this done.

[Barand]

In your PHP code, if the total is 0, output the button, otherwise don't.

[Erwin007]

Wow, it works!!
Great!
Thanks