[FX.php List] Problem with double submissions

[Joel Shapiro]

http://ajaxload.info/

ggt



oops, I mean -Joel
;-)



On Sep 27, 2010, at 9:08 AM, Dale Bengston wrote:

> This is my method as well. But instead of just disabling the button,  
> I replace it with a progress indicator so that the user knows  
> something is transpiring.
>
> I'm using Scriptaculous, but the principles are the same. It could  
> be done with a plain-old JavaScript function as well.
>
> Dale
>
> On Sep 27, 2010, at 10:31 AM, Andy Gaunt wrote:
>
>> Hey Bob,
>>
>> Why not disable the button instead?
>>
>> You can do this with jQuery if you are using it or just adding an  
>> onClick to the element
>>
>> onclick="this.disabled=true;"
>>
>> jQuery might look like:
>>
>>
>> $('#yourform').submit(function(){
>>     $('input[type=submit]', this).attr('disabled', 'disabled');
>> });
>>
>>
>> You could also change the value of the submit button to  
>> "Processing..." or something similar as well to give the end user  
>> some feedback that the page is working
>>
>>
>> HTH
>>
>>
>> Andy Gaunt
>> T: 321-206-3658
>> andy at fmpug.com
>>
>> http://www.fmpug.com
>> FMPug.com: A Developer's best Friend!
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>>
>>
>>
>>
>>
>>
>> On Sep 27, 2010, at 11:09 AM, Bob Patin wrote:
>>
>>> I've got a problem with a client's web server that sometimes slows  
>>> down so much that customers are double-submitting their orders,  
>>> causing their card to get hit twice.
>>>
>>> Here's what *should* happen on a well-behaved web server:
>>>
>>> Page submits, Authorize.net runs the charge, order gets updated in  
>>> FileMaker with the transactionID.
>>> Customer goes to the confirmation page, where they see a printable  
>>> invoice
>>> Session variable gets destroyed
>>>
>>> BUT HERE'S WHAT HAPPENS:
>>> The web server, for which I have no control and no faith, seems to  
>>> time out sometimes on this page, where auth.net processes the card.
>>>
>>> I've been trying to write a Javascript function to prevent double  
>>> submissions; here's what I'm trying:
>>>
>>> On my button, which is an image, I have this:
>>>
>>> <input type="image" name="mySubmit" src="images/process_cc.jpg"  
>>> alt="ticket_cc_process.php" width="180" height="32"  
>>> onclick="javascript: return check_submit();">
>>>
>>> Then, here's my JS function:
>>>
>>> <script language="Javascript">
>>> function check_submit (){
>>> 	if (document.form1.form_submitted.value == 1){
>>> 		alert("Don't submit twice. Please wait.");
>>> 		return false;
>>> 	}else{
>>> 		document.form1.form_submitted.value = 1;
>>> 		return true;
>>> 	}
>>> }
>>>
>>> </script>
>>>
>>> So my problem is that I can't get the form to time out, giving me  
>>> enough time to see whether this actually works--customers seem to  
>>> be able to, but not me.
>>>
>>> QUESTION:
>>> Is there a better way to do this, better code, better method?
>>>
>>> Thanks,
>>>
>>>
>>> Bob Patin
>>> Longterm Solutions
>>> bob at longtermsolutions.com
>>> 615-333-6858
>>> http://www.longtermsolutions.com
>>> iChat: bobpatin
>>> FileMaker 9, 10 & 11 Certified Developer
>>> Member of FileMaker Business Alliance and FileMaker TechNet
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>>
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