Re: [mv] Using JavaScript to validate a form

[Brian Wright <bdw@aturna.com>]

******    message to minivend-users from Brian Wright <bdw@aturna.com>     ******

Unfortuneately, this doen'st work. :(  It processes the form and the JavaScript
doesn't seem to catch blank form fields.

--Brian

On 21-Mar-2000 Ed LaFrance wrote:
> ******    message to minivend-users from Ed LaFrance
> <edlafrance@printexusa.com>     ******
> 
> Brian -
> 
> I have done something similar, but when making the call to the Javascript I 
> just used:
> 
> <INPUT TYPE=submit VALUE="Whatever" onfocus="myscript(this.form)">
> 
> When the user clicks the button, it receives focus just before the form is 
> submitted.  If any of the tests in the Javascript fail, the form is never 
> submitted; the error message is displayed and focus returns to the assigned 
> element.  If there is no failure, the submit action is executed.
> 
> I don't know if this is "proper" Javascript but it works for me.  Perhaps 
> it will work in your case as well.
> 
> - Ed L.
> 
> At 04:52 PM 3/20/00 -0800, you wrote:
>>******    message to minivend-users from Brian Wright 
>><bdw@Aturna.com>     ******
>>
>>Hello, listees. :)
>>
>>I'm trying to use JavaScript to validate and submit a form.  However, the 
>>alert
>>box does not pop up if you omit a field.  Here's a code snippet:
>>
>>[set NewAccount]
>>[userdb function=new_account ignore_case=1]
>>[if session failure]
>>[data session failure]
>>[else]
>>[userdb save]
>>[tag export userdb userdb.asc]Proceed[/tag]
>>[/else]
>>[/if]
>>[/set]
>><SCRIPT LANGUAGE="JavaScript">
>><!--
>>function validateForm(form)
>>{
>>         if (form.name.value == "")
>>         {
>>                 alert("You have not filled in the Name field.");
>>                 form.name.focus();
>>                 return false;
>>         }
>>         else if (form.address.value == "")
>>         {
>>                 alert("You have not filled in the Address field.");
>>                 form.address.focus();
>>                 return false;
>>         }
>>         else if (form.city.value == "")
>>         {
>>                 alert("You have not filled in the City field.");
>>                 form.city.focus();
>>                 return false;
>>         }
>>         else if (form.state.value == "")
>>         {
>>                 alert("You have not filled in the State field.");
>>                 form.state.focus();
>>                 return false;
>>         }
>>         else if (form.zip.value == "")
>>         {
>>                 alert("You have not filled in the Zip field.");
>>                 form.zip.focus();
>>                 return false;
>>         }
>>         else if (form.email.value == "")
>>         {
>>                 alert("You have not filled in the E-mail field.");
>>                 form.email.focus();
>>                 return false;
>>         }
>>         else if (form.phone_day.value = "")
>>         {
>>                 alert("You have not filled in the Daytime Phone field.");
>>                 form.phone_day.focus();
>>                 return false;
>>         }
>>}
>>-->
>></SCRIPT>
>>
>>
>>         <form ACTION="[process-target secure=1]" METHOD="POST">
>>         <input TYPE="hidden" NAME="mv_check" VALUE="NewAccount">
>>         <input TYPE="hidden" NAME="mv_doit" VALUE="return">
>>         <input TYPE="hidden" NAME="function" VALUE="new_account">
>>         <INPUT TYPE=hidden NAME="mv_nextpage" VALUE="[data session 
>> prev_url]">
>>
>>(form fields here)
>>
>>Then, I use the following to submit:
>>
>><INPUT TYPE=submit VALUE="Create Account" SIZE=10 onSubmit="if
>>(validateForm(this.form)){this.form.submit()}">
>>
>>But, it doesn't catch an empty form field.  :(
>>
>>--Brian
>>
>>
>>
>>_________________________________________________________________________
>>Brian Wright                                   Aturna Communications Inc.
>>bdw@aturna.com                                          Internet Services
>>                                                 WWW http://www.aturna.net
>>_________________________________________________________________________ 
>>
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_________________________________________________________________________
Brian Wright                                   Aturna Communications Inc.
bdw@aturna.com                                          Internet Services
AIM: BigBY2K ICQ: 21221328                      WWW http://www.aturna.net
_________________________________________________________________________
-
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