Registration - Check For Empty Textboxes?

Dec 25, 2011

I'm doing a registration system and as you can see when i verify the fields, if it's empty it says that the FIELD_1 misses. And what i want is if the field is empty says that and then goes back, but i don't wanto the info already written disappears.I'm using ajax, i never worked with it, so i'm gonna ask you if i'm doing everything ok:registration form:

<!---------VALIDAAJAX---------->
<link rel="stylesheet" type="text/css" href="style_val.css" />
<script src="ajaxforms.js" type="text/javascript" language="javascript"></script>

[code]....

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Mar 24, 2011

I am trying to check some textboxes if they have no value, and a listbox. However, with my current code, it seems like the OR code is not working like it should be.
<script type="text/javascript">
function checkEmpty() {
if (document.editForm.varenummer.value!="" || document.editForm.serienummer.value!="") {
if (document.all("reakke").options[document.all("reakke").selectedIndex].value == "2") {
alert();
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}} else {
alert("Indtast venligst alle informationer");
}}
</script>
As seen above, if Varenummer or Serienummer is not equals nothing, then check the listbox, but if they are nothing then do the else statement. However as I tested, the else statement only triggers if both Varenummer and Serienummer is nothing.

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Sep 12, 2011

I am trying to check and see if three fields are empty and if they are then to alert the user saying to fill in one of the three fields. I tried this:

if (StreetNumber.value.length == 0) {
if (StreetName.value.length == 0) {
if (City.value.length == 0) {
alert("Please enter a street number, street name, or city.");

[Code]....

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Feb 4, 2010

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for(i=0;i<=ids.length-1;i++)
{
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[Code]....

Never runs... I have tried a few other things I've found on the internet but they don't see to work either.

I've debugged this and found out the code stops running on this line.

if (document.getElementById(ids[i]).innerHTML == '')

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I have made a forum thats look like this:

<form action="" method="post" id="contactform">
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[Code]....

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Sep 26, 2010

I have

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[Code]....

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That code seems like it should work, but it doesn't. How do I check if the selectbox value is ""?
-Rich

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<form id="myform"></form>

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I'm trying to select my textarea only if it is not empty. I have used :empty for this purpose. This works find when you load the page, however if you start typing in it still considers the value as it was when the page loads.

Example. If my textarea is empty when I load the page, it will consider it empty. If I starting typing in, and check if it is empty it still say it is empty.

The same vice versa. If my textarea has text when the page loads, then i clear that data, it still consider it filled not empty.

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I'm trying to figure out with Java Script how I would have Java Script check and see if a check box is or not empty. The goal is to only allow the user to have one box checked at any time in a form. That means, if they click on another one and there is already one checked, it would uncheck the one that was checked and make the one that the person checked on next checked.

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<form name="form2" onSubmit="validateForm2()" action="" method="POST">
<table>
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[Code]...

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REGISTRATION FORM
<br>
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[Code]....

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Jan 26, 2010

I'm trying to create a simple registration form with ajax validation. I've got the form working almost how I'd like... a message appears on the page with the errors for each field entered incorrectly.

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I think I need to wrap my error messages in xml and use something like this -
Code:

- but can't seem to get it working

Does anyone know how I should modify my code to do this?

Attached are the 3 I'm currently using

And Here is my code for my ajax page only.

Code:

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