> One way I found useful was to use JavaScript on the client-side
> to test if they were numbers or not. Then you know only numbers
> are being submitted.
Yeh Joel, I am also doing JS validation, but if someone who is trying to
hack the site disables their javascript or is someone just doesnt have a js
browser and enters incorrect info, then I am in trouble. The server side is
sort of a back-up validation, just in case. Thanks for the tip though.
-greg
----- Original Message -----
From: "Joel Firestone" <[EMAIL PROTECTED]>
To: "CF-Talk" <[EMAIL PROTECTED]>
Sent: Friday, December 15, 2000 2:09 PM
Subject: Re: IsNumeric Function
> One way I found useful was to use JavaScript on the client-side
> to test if they were numbers or not. Then you know only numbers
> are being submitted.
>
> J
>
> : I am trying to do some server side validation for a phone number, but I
am
> running into an odd problem. I split the phone number entry form into
three
> textboxes the first one for area code (ie must be 3 numbers) and then the
> two parts of the phone number (ie must be 3 numbers and then must be 4
> numbers). I check to make sure the length of each textbox is correct and
> then I try to check if they are numeric, however it will throw an error.
> :
> : My code looks something like this:
> :
> : <cfif not IsNumeric("attributes.custPhone1") or not
> IsNumeric("attributes.custPhone2") or not
> IsNumeric("attributes.custPhone3")>
> : <cfset attributes.error = attributes.error & "Please enter a valid
> phone number.<br>">
> : </cfif>
> :
> : The strange part is that when I take out the not IsNumeric() statements
> for the first two form variables it works fine. Ideas???
> :
> : -Greg
>
>
>
>
>
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