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Validation without JS

iBib

By iBib
in Other Internet Technologies

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This topic is 8297 days old. Please don't post here. Open a new topic instead.

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iBib Contributor

iBib

Posted
Posted

I have to validate a field in a form, I beleive that my problem is not solvable with Javascript.

The form is a competition which all entrants only can apply once. And the only workable solution to that is to make sure that people can't enter with the same e-mail address twice. The form and format page have to check if someone tries to enter the competition twice (or more) with the same e-mail address.

I have javascript validation on all the required fields (such as name, phone ...) and I've tried to use the FMP control attributes on fields (such as: required value, not-empty and so on). But all that happens is that I can get the format page use the error code sent out by WC (code 504) and print: "You have already answered... you bastard", but the information with the same e-mail address is added to the database. The only difference is that it doesn't contain the duplicate e-mail address.

Is there anyway I can stop FMP from adding that post?

evildan Contributor

evildan

Posted
Posted

Gary,

Won't that hang the server? I thought they popped up an error message on the server and hung there until someone clicked okay. That being an os9.x server of course.

Does this still happen in Unlimited?

Keith M. Davie Mentor

Keith M. Davie

Posted
Posted

FWIW, I just tested this concept on Internet Explorer. My -error page was not returned. Instead I got a pop-up window "Internet Explorer Script Alert" which had the message,

"Your attempt to edit a record failed because of the following:

"Not unique value on field "expire" "

Garry Claridge Grand Master

Garry Claridge

Posted
Posted

I've just had a chance to do my own test with:

<form action="FMPro" method="post">

<input type="hidden" name="-db" value="combotest.fp5">

<input type="hidden" name="-lay" value="web">

<input type="hidden" name="-format" value="hworld2.html">

<input type="hidden" name="-error" value="fmperror.html">

<input type="hidden" name="-recid" value="[FMP-CurrentRecID]">

Field b1: <input type="text" name="my_rec_serial#" value="[FMP-Field: my_rec_serial#]">

<input type="submit" name="-edit" value="Edit"></form>

Here is the fmperror.html contents:

</head>

<body>

Error [FMP-CurrentError]

</body>

It is working OK for me; it returns error code 504. I am using FMP 5.5v2 on Mac OS X.

All the best.

Garry

  • 3 weeks later...

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