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Prevent Enter Key from Submitting your Forms

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Submitted on: 7/18/2002 5:54:43 AM
By: Jos Keuter  
Level: Intermediate
User Rating: By 6 Users
Compatibility:ASP (Active Server Pages), HTML, VbScript (browser/client side)

Users have accessed this article 1619 times.
 

 
     When searching online for "How to prevent a form to be submitted by hitting enter" you'll find many (mostly unsatisfying) creative solutions. I think that my solution will work for most of the cases. Just follow the neccessary steps in the following article. If you like it please vote! ;)

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1) You may use this article in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.   
2) You MAY NOT redistribute this article (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.   
3) You may link to this article from another website, but ONLY if it is not wrapped in a frame. 
4) You will abide by any additional copyright restrictions which the author may have placed in the article or article's description.

Step 1 - Adjusting the form tag
The form tag has to contain the 'onsubmit' attribute specified as follows: onsubmit="return (1==2)"
Why not use 'false' instead of '(1==2)'? This is just to avoid troubles with scripting-engines in different languages... sad indeed;)

Step 2 - Changing input types
The input type for submit buttons on your form has to be changed from 'submit' to 'button'. Besides that you have to give the button the 'onclick' attribute specified as follows: onclick="document.yourformname.submit()"
These two steps can be enough unless you did use the 'value' attribute to send some extra information with the former submit button. Therefore we have step 3.

Step 3 - Add hidden input
Let's say you named all your submitbuttons 'SubmitAction' and specified a different value for each button. This will not work anymore since we changed to 'button'-buttons instead of 'submit'-buttons. So in this case you should add an extra input tag (type=hidden name=SubmitAction) and add a little something to the 'onclick' tags in step 2. Change it from 'onclick="document.yourformname.submit()"' to 'onclick="document.yourformname.SubmitAction.value='whatever';document.yourformname.submit()"'

That was all. Good luck to you all and I hope you find this article usefull.

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2)NEVER, EVER run compiled files (.exe's, .ocx's, .dll's etc.)--only run source code.

If you don't have a virus scanner, you can get one at many places on the net including:McAfee.com

 
Terms of Agreement:   
By using this article, you agree to the following terms...   
1) You may use this article in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.   
2) You MAY NOT redistribute this article (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.   
3) You may link to this article from another website, but ONLY if it is not wrapped in a frame. 
4) You will abide by any additional copyright restrictions which the author may have placed in the article or article's description.
 
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Other User Comments
7/18/2002 12:14:20 PM:Christien
I was looking for this! Thank you very much.
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7/19/2002 11:26:42 AM:C. Sibon
Hi, This doesn't work with IE6, works fine with konqueror doe. Do you know another way to tag in any kind to track wich button/LINK has been pressed with the submittions (form). ?? mvg, Koos.
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7/19/2002 1:40:41 PM:Jos Keuter
The sample code misses '()' after the submit commands of the buttons... be aware of that if you use it! ;)
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