Form Control With Dropdown

Nov 19, 2003

onchange="p_complete.disabled=!(this.selectedIndex==2)"

Which disables form element 'p_complete' is the third option is selected from this drop down. What I need to do is disable that element if the first, second or third option is selected.

Meaning something like:

onchange="p_complete.disabled=!(this.selectedIndex==0 or this.selectedIndex==1 or this.selectedIndex==2)"

...but of course, obviously this doesn't work or I wouldn't be posting here.

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Little Help With Dropdown Control (Ajax)

Aug 29, 2007

I've been looking through many AJAX tutorials but I just keep getting lost, they are all written by giving the final source code, and don't really help me.

What I want to do is VERY elementary, and I was wondering if the kind community of sitepoint would be willing to help me out a bit.

I have a dropdown box with any number of selections (lets say 3 to keep it simple) and depending on which one of those selections is made, an image loads beneath the dropdown box.

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I would like to insert my own hidden control that can be posted back to to
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In HTML documents, named forms may be referred to as named
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var frm = document.forms["formname"];
var contrl = frm.elements["elementname"];

The (string) value property of such controls can be read
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var value = contrl.value;
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One exception is where the control is a SELECT element, and
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Another exception is where several controls share the same name,
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[code]....

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// <!CDATA[
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This is a snip that parses the input, character by character, and gives
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The issue (I believe) is with IE. In IE, both drop-downs seem to populate correctly but when I submit the form, I get a prompt to make a selection for the first drop-down menu.

The form does submit properly in FireFox and Safari but with some testing I noticed that I was getting a prompt to make a selection in the first drop-down in instances where a selection was already made but I just had not yet populated the second country/state drop-down.

Still, in Firefox and Safari, the form does pass validation upon submit.. So, I am hoping it's just IE specific issue.

I'm thinking the issue is with IE not recognizing my selection. The form had a drop-down menu where the user selects a letter, then that selection triggers (in JS using a function to process the selection) another drop-down to populate with all the countries or states that begin with the letter from the first selection.

Here is the code from my form:

<p><span class="title">Sign Up</span></p>
<br />
<form id = "signupForm" action="signup_process.php" method = "post" onsubmit="return validateSignupForm();">

[Code].....

what could be going on in IE that is not allowing the form to pass JS validation..

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This is my form
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<option value="In Warranty">In Warranty</option>
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Been racking my brain all day trying to figure out how to duplicate this code with the limited javascript knowledge I have been trying to learn.This code is a Dropdown menu of Yes or No, than a Select button that Opens up a Text Input directly below the dropdown. So far, It works great. My problem is I need at least two of these on the same page and I do not know how to go about it. I have tried changing values to accommodate adding another on the same form, but than both stop working.

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I'm using formwizard, and I tried to insert a dropdown into the form by putting this jquery code
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type: "POST",
url: "<?php echo base_url(); ?>index.php/register/mortgator",
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And this php code
function mortgator(){
$this->load->model('MBank');
$q = $this->MBank->getbanklist();
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