Echo A Variable In A Form Based On User Selection?

Aug 15, 2009

here is part of a form I have:

<select name = "pulmonologist" >
<option selected="" value="">---Select---
<option value="none">None</option>

[code].....

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Setting Cookie Based On Checkbox Selection By User?

Jul 23, 2005

I've got the following code snippet in a function to set a coockie based on whether or not the user selects a checkbox. Using an alert the cookie text looks fine but when I go to retrieve the values the only one it can find is the value for user. I've a few different things and none of them seem to work. I'm getting the same thing in both IE and Firefox. The only cookie listed is the 'user' with the proper expiration date. Code:

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Apr 10, 2011

I have 3 TextFields, called txtUSD, txtEUR, txtAUS. And a PopupList with the same values, minus the txt part, but I need to form the names of the TextFields to use based on the selection that the user made. So I've done this:

Code:
function btConvert_Click(event){
var amount = document.getElementById("txtAmount").value;
var rates = document.getElementById("lstConvertTo").value;
var from = "txt" + document.getElementById("lstFrom").options[document.getElementById('lstFrom').selectedIndex].text;
var to = "txt" + document.getElementById("lstConvertTo").options[document.getElementById("lstConvertTo").selectedIndex].text;
var curr_from = document.getElementById(from).value;
var curr_to = document.getElementById(to).value;
if(curr_from > curr_to){
amount * rates;
} else {
amount / rates;
} alert(result);
}

But every time I try it I get this error:
Code:
mobile/main.js line 215: Result of expression 'document.getElementById(from)' [null] is not an object.

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Aug 20, 2011

I need to change the value of a variable on a <select> question.

Code:

Currently the variable choses either 1or 2 so when I execute the function it will sum the value ie..3,6 ect.

I would like it to add the value in the text part of the option ie.. 5000,10000,15000.

I realize if I could I could change the value to be the same as the text value but the backend of this software needs the values to stay 1 or 2.

I was trying to do an "if else" statement but I am not sure how to format the syntax to work:

Code:

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Jul 23, 2005

I am trying to create a web page in which the contents of one selection list
depends upon which element in another selection list is chosen, but where
the information to populate the first selection list comves from an SQL
database on the web server.

There are a couple of these situations in my application but, for example,
the first list might be a list of counties, and the second list a list of
states/provinces. Obviously the names of counties depend upon which
state/province is chosen, but there are too many possibilities to be able to
embed them within the web page itself. So when the user selects a
state/province I need to go to the server to ask for the list of counties.

I have seen a number of posts that sort of address this issue. For example
it is suggested to use <script src="a URL"/> to ask the server side code to
send up data of type "text/javascript". However the examples do not seem to
address how the server side code would know which state/province the user
had selected.

If there is a web site that addresses this sort of thing, I would appreciate
any pointers.

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Jul 16, 2011

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I need codes for a dropdown menu that is altered by radio buttons.

I want to insert the value selected from the dropdown menu into a table.

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Mar 16, 2010

How does one cause a form element to appear ONLY if a certain form selection is made before it?

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Sep 23, 2011

I have a dropdown box with 2 selections(True/False default False) .If false I want to show under it a form like so.

input text
input check
input text

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Mar 14, 2010

I have a page I am working and I am having some trouble with: I need to show and hide areas based on a radio selection. I initally started using the show / hide feature in Jquery but the problem is the elements need to be removed but then put back if the user selects the radio buttonagain as it has form elements that have validaion on them. The validation is still trying to validate the form elements becuase they are still on the page but just not showing. This is the radio group the user makes the selection from:

<input name="terms_usr" type="radio" id="terms_usr_1" value="1"/>
<label for="terms_usr_1">Credit Card</label>
<input type="radio" name="terms_usr" id="terms_usr_2" value="2"/>
<label for="terms_usr_2">C.O.D</label>

[Code]....

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[Code]...

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Apr 12, 2010

I'm working on a search filter trying to get a form to update itself depending on what options have been checked from a selection of checkboxes. i.e. selecting one checkbox can bring up other checkboxes. It's just posting the form to update_filter.php and putting the updated form into searchNavigation div.

$(document).ready(function(e){
$("input[type='checkbox']").change(function(e){
e.preventDefault();
update_filter();

[Code]....

This works for the first checkbox that is checked, but after that nothing.

Is it something to do with the fact that the form is not the same form that it was before the checkbox was checked if that makes sense? or shouldn't that make any difference?

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Mar 13, 2006

I have a form with a drop down list box, few textboxes with labels and submit button. depending upon my selection I should be able to show hide textbox; assume items, 1,3,5 in the selection box shows the items other than the listbox and 2,4,6 items in the selction box if selected hides the labels and textboxes. but in all the case submit button should be present.

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Jul 22, 2009

I have been searching for hours and have not found what I am looking for. BUT, I have seen it before when I was NOT looking for it. haha!

Anyway, I am creating a form. And the form has an element that asks for "How Many Children?" followed by a dropdown from 1 to 6.

Well I would like to display another set of elements from 1 time to 6 times, based on their selection.

Name: ___ Age: ____ Sex:____

That will be displayed as many times as the user selects.

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Feb 13, 2006

I am setting up a contact form, and want to have a drop down box with a handful of options. Clicking one option should display fields to input username & password, whereas all others will not. So far, I've tried and (replacing 'none with 'block' for the option that is supposed to show the input fields) but neither does what I need it to. I'm fairly new to javascript, just muddling my way through with the aid of tutorials.

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Feb 10, 2010

with the code details as to how this would be possible.

<form method="post" name="validate" action="internet_marketing_and_email_blasting_signup.php" enctype="multipart/form-data" onmouseover="change(event,'../images/submit1.png')"

[code]....

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Jul 20, 2005

I'm trying to show/hide a simple piece of text and a text field on a
form based on what choice is made from a drop down box.

<select name="dropdown" size="1">
<option selected value="">Please make a selection</option>
<option value="1">Choice 1</option>
<option value="2">Choice 2</option>
<option value="3">Choice 3</option>
<option value="4">Other</option>
</select>

i.e. if Choice 2 is selected I'd like to display a new <tr> with the
following:

<tr>
<td>New text field:</td>
<td><input name="newField" type="text size="20"></td>
</tr>

if any other choices are made, I don't want to display anything.
I've tried several onchange() functions but can't achieve what I'm
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Nov 17, 2010

I want to have several forms on one page that are not displayed until a selection is made from the category drop down box(select element). The form displayed will depend on the selection made. Here is the code I have so far.

<body>
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[code]....

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I want to have several forms on one page that are not displayed until a selection is made from the category drop down box(select element). The form displayed will depend on the selection made.

Here is the code I have so far.

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All I know so far is I need to create a javascript function and include it in the submit button. This is all I have so far in the submit button tag:
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Jun 2, 2011

I'm trying to echo a php variable to my javascript function but nothing is happening.Basically this php page displays bunch of records with a radio button next to each record. So when the radio button is clicked it would open that record in a new window that is clicked.

<input type='radio' name='option' value='$ctr' id='$ctr' onClick="edit_record('<?php echo $ctr ?>')">
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This is probably easy, but I flipped through the first 100 posts and couldn't find a similar question.

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<script language="JavaScript">
function ShowMenu(num, menu, max)
{

[code]....

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<script type="text/javascript" src="jquery-1.3.2.min.js"></script>

The problem im having is that the value used in the dropdown lists are price values eg 10.00

Consequently jQuery seems to interprit these as css notations, meaning the code doesnt work.

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[Code]...

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