Problem with validation of a field

[Bilal]

Hi,
I have a field that requires validation when you press a button as
follows:
<form name="form_affiche" enctype = "multipart/form-data"
method="get">
.....
<td width="80"><input type="Button" name="submitButton"
value="Modifier" tabindex="3" onClick="if(isValid())
{document.form_affiche.action='order.php';document .form_affiche.submit();}return
false;"></td>
.....
</form>
The validation works perfectly when the button is pressed. However,
should the user enter an invalid number and press ENTER as opposed to
the button "Modifier", then the invalid number is taken into
consideration.

Thank you in advance for any suggestion or solution.
Kind regards
Bilal

[Phil Roberts]

With total disregard for any kind of safety measures
bj****@hotmail.com (Bilal) leapt forth and uttered:

Hi,
I have a field that requires validation when you press a button
as follows:
<form name="form_affiche" enctype = "multipart/form-data"
method="get">
....
<td width="80"><input type="Button" name="submitButton"
value="Modifier" tabindex="3" onClick="if(isValid())
{document.form_affiche.action='order.php';document .form_affiche.s
ubmit();}return false;"></td>
....
</form>
The validation works perfectly when the button is pressed.
However, should the user enter an invalid number and press ENTER
as opposed to the button "Modifier", then the invalid number is
taken into consideration.

Thank you in advance for any suggestion or solution.
Kind regards
Bilal

You should really be asking this in a Javascript group.

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