Update Field
Mar 10, 2003
I'm trying to "combine" PHP and Javascript to a possible workaround.
I have a test form with two objects;
- a text field
- a drop down box; the items are stored in a MySQL table
In PHP I can adjust the items of the drop down box by submitting the form (button) and querying the results out of the database.
In Javascript I can do this without a button to submit the form.
But I have to include all possible values (>1000) for the items in the script...
Is there I way to combine the two (on leaving the text field, the items in the drop down box should being build from a MySQL database using the value of the text field...)
Can anyone help me out here?
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Aug 7, 2009
I want to create a javascript function where I have a dropdown list and onChage I want to update a txt field with the current date in the dd/mm/yyyy format.
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Sep 2, 2010
I'm developing one application that have two iframes. These iframes are ARS forms.So, I need to transfer information from one to the other one and after that, call one save method of the ARS form. (Ps: both have the same src attribute, in other words, the same form).
[Code]...
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Oct 7, 2009
I am trying to create this form to update a field when a certain item is selected from a dropdown menu. I would like to have it to where when heat pump is selected from heating type, the AFUE field that originally has a value of 80 needs to be updated to 7.7. I would also like for the wording to be changed... Instead of having it say Current AFUE or HSPF, have it to where when a Single Speed Furnace or Variable Speed Furnace then it says AFUE below it, when Heat Pump is selected then it says HSPF, and if Electric Heat is selected do not have anything or even delete the whole field.
[Code]....
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Jan 7, 2007
I'm doing an ajax call to a remote php file... it returns a value fine,
and even enters a value into a text field on my form. The problem is,
right after the function call to the ajax function, I do an alert of
what the field value is, and it doesn't recognize the field value has
been changed. Two caveats:
1 - It will recognize the last call's change
(if I run it a 2nd time, it'll see the 1st call changes)
onBlur="ajaxCall(document.form1);alert(document.form1.ajax Field.value);">
2 - It'll recognize the current call's change if I set a 2 second
timeout
onBlur="ajaxCall(document.form1);setTimeout('checkFields(d ocument.form1)',2000);">
It seems, although I can see the text field getting updated,
programmatically speaking, it isn't reflecting it until everything is
done... including any alerts and such.
It's weird seeing the empty alert popup, when I can see the value in
the text field underneath it.
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Feb 8, 2011
I've done a fair bit of development in php, html and css, but none whatsoever in javascript so far.
I've found myself looking to jQuery as a potential solution to an interesting problem that I'd like to solve: I have a basic CMS that clients can use to manage the rental of items (caravan pitches to backhoes). The site administrator gets to enter the details of their products, prices and so forth, and then visitors to their site can see the availability of their products on a dynamically generated calendar - and book them online.
Part of the CMS allows the creation of 'seasons' - periods of the year in which a product's rental price changes - for special offers, etc. Different seasons are shown on the calendar using different css markup that the admin can change in the 'create/edit season' form.
Clearly, I can't expect Joe Siteadmin to type correct CSS and, ideally, I'd like to avoid limiting him to a swatch of pre-generated choices. So, having been seduced by the sexiness of the jQuery UI calendar plugin, I was thinking that it ought to be fairly easy to provide a jQuery color picker of some sort on the 'create/edit season' form, maybe with some radio buttons to dynamically link the picker to change background, text and border color - and update the relevant css rules for the colors chosen, on the fly, in the relevant input field on the form.
[Code]...
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Feb 1, 2011
I was making mysearchfieldI though jQuer may help update one dropdown box when a value in one box is updated.
So, my search goes like this, Search for Pet [PetDropDown], Search for Breed [BreedDropDown], Search Location [Text feild] and Search Price [Text Feild].
So in this system i want the [DropDown] box to automatically update it self, with no reloading, thats where jQuery comes in (im guessing) with a list of Breed that link with the Pets DropDown. So if the user picks Dog, then the Breed Dropdown will show Breeds that areassociatedwith Dogs, such as Collie, Jack Russell or Staffordshire Bull Terrier. If a Pet isn't selected then nothing will show.
The information come from the data and a phpstatementfor the Breed DropDown would be as such: $sql = "SELECT id, title, value, type, cat FROM site_cats WHERE type = '[PetDropDown]' "; of course it wont be [PetDownDown] but as a $value such as $petType or $pet.
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Jul 11, 2011
Environment is PHP - MYSQL When the user changes the value of a select drop-down, I want to use Ajax and query one table of my database, retrieve three pieces of data, and place the data in three separate text fields in my form. Is there a simple tutorial out there that explains this?
I get the general concept of the separate php file for the query, but I'm pretty much lost.
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Jul 22, 2010
I'm creating a page that calculates a number depending on what value is inputted into a text field. I need to create some javascript that updates this new calculated value and outputs it next to the input field. Anytime the user changes the number, it recalculates the value. My calculation is currently being produced by PHP, however if I need to, I can create javascript as well to recalculate these numbers.
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Nov 11, 2010
i am currently developing a cart for a website at my company.What i am attempting to do is update the grand total field dynamically as the product total (determined by quantity & price) are being populated.Each product in the cart is being generated by a foreach (php) reading from a mysql database.As the total values are not being prepopulated im not exactly sure what the logic would be to get the desired values.
I will also mention im relatively new to the whole web development area, i started begining of this year and feel i could still learn alot about the 'logic' of a computer.If anything is unclear about what i stated above feel free to request additional information.
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Aug 7, 2011
when the user types a FIRST NAME into the first name textbox this should update the paxname with the value and a space.when the user types a LAST NAME into the last name textbox this should update the paxname with the value therefore at the end of the process the paxname will have the full name of the person in order with spaces in between. also i would like the first name and last name values to be changed to proper case ie John Smith once placed into paxname the update process does not have to be instantaneous, it can perhaps update the paxname textbox when the focus is gone from the field in question, dont mind how it works as long as it updates.
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Sep 5, 2009
I want to know how I can update my power_points field if a select option is chosen.
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Feb 24, 2011
sample code, whereby if I change a field value in a web form (from a drop-down list for example), the value shown in another field is automatically updated to show the needed value for that selected option?
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Jan 1, 2012
so, the pseudo code: - on change of input contents, check to see if two input fields are set - if set, update a third field with "loading..." text and a loading gif - use ajax to send data to a url, and get a calculated json response - update the third field with the calculated response
I know I'm getting the correct response, according to firebug: {"pace":"10:00"}
the code:
$('#run_distance').change(function() {
if ($(this).val() != '' && $('#run_time').val() != '')
{
$('#run_pace').val('Calculating Pace…');
[Code].....
how to update the #run_pace input field with the json response.
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Feb 23, 2011
I can have a unlimited set of list items and form fields (limited) in li:
<li id="apr1">
<textarea class="thisistext">blablabla
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Oct 14, 2010
I'm having trouble detecting if there is value in a field when the page loads and manipulating the fields label class accordingly. Below is my code. I'm using it to display the field label inline with the field, and when the user starts typing, the label is hidden. The problem I'm having is, since this is for a login screen, if the user has typed in an incorrect password, the username still remains entered when the page reloads and I see my label stacked underneath.
How can I detect if that field has a value and apply a class to the label to hide it? I don't have to have to specify each field by their ID, because I'd like to use this all over (member profile management area).
[Code]...
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Oct 27, 2010
I'm using Google Maps to calculate distance between cities. I need to use that distance value for some basic calculations. Distance has to be in "Angloamerican" format (1,234.00) but in metric system. So, Google Maps answer for Madrid - Berlin query will be one of these two:
a) <span jscontent="distance['text']" jsdisplay="distance" jstcache="7">2.320,1 km</span>
b) <span jscontent="distance.text" jstcache="23">2.320,1 km</span>
notice the differences in span "classes" (jstcache is 7 or 23) and lack of any "id" or "name" attributes.
What I want to accomplish is:
1) Convert these Google Maps distance values to "Angloamerican" format (2,320 km) or (even better) format without thousands separator which would only use dots as decimal separator (2320.1 km)
2) Use that filtered value to populate a text field called distance
Populate hidden form element value with the value of a text field on form submit (jQuery)
It helped me a bit with the auto-populate part, but I can't make it work in combination with this Google Maps code. Here is my current code:
<head>
...
<script type="text/javascript">
function submitMyForm(){
[Code]....
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Feb 3, 2009
The following form validation script works, currently if one of the five fields are completed, a message appears the remaining field(s) must be completed etc. Although the information the user has inputted in the first field is cleared. How can this information be available, if there is one problem in the form it doesn't make sense that the user must re-input all the information again. I look forward to hearing your response,
function validate_form ( )
{
valid = true;
[code]....
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May 13, 2010
I am trying to make some dynamic effect to a HTML page using JQuery.<br/> 1.<br/> When the user clicks a Radio field, the field will be highlighted.<br/> 2.<br/> When the user clicks the Radio 'Man', <br/>a Input text box will be provided immeditely just below it.
Here is my simple HTML page, but I don't know how to do with the JQuery part:
<Table>
<TR>
<TD>Gender</TD>
<TD>
[Code]....
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Feb 9, 2011
that a javascript which is validating a phone number accepts only digits but if the text field is left empty it should accept the entry as an empty entry...
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Jul 23, 2005
Is there any way to make a SELECT field in HTML as a read only field?
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Nov 19, 2010
I have a credit card field that is only mandatory if they select a credit card as a payment type.
If they select Gift Certificate, then I set the card to not be mandatory:
$('#creditcard').removeClass('required').removeClass('creditcard');
validationRules.rules.CardNumber.required = false;
however the validation still fails on the creditcard field. If I enter this in to Firefox's console:
$("#OForm").validate().element("#creditcard");
it returns false.
To make matters more confusing, this validation only fails on my form when I am passing a particular parameter in the URL string. I've scoured my code and cannot figure out why that parameter would have any impact whatsoever on this matter.
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Nov 18, 2009
I have a text field, call it income, that when the input is > 0 I need to dynamically show the next text box, and if it is blank hide the next text box. I would like to use onBlur but can't seem to get it to work.
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Aug 17, 2010
my javascript code is only validating one field at a time (as in it validates on field then submits the form, instead of going through the entire thing and then returning it as true and submitting it...) I'm not sure what to do to be honest, I've looked up google to no real avail.. my variables are declared in a seperate file to the actual even handlers and I have heaps of comments through out it, so please don't judge lol i'm still learning Quote:
//Event Registrations (Variable Declarations) found in validation_chkr.js
//Validate Entire Form using validate_join()
function validate_join()
[code]....
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Aug 8, 2011
i have a form with a 'name', 'date', 'type', 'style', 'color' and 'result' field.let's say the user inputs "jones" in the name field, "8/1/2011" in the date field, "new" in the type field, and 'modern' in the style field.i want the 'result' field to take a look at the 'name' field, and if the 'name' field has a particular text, let's say (in this case) "jones", the javascript code will then place the contents of 'date', 'type' and 'style' fields, along with hardwired text like "the information you are looking for is 'date', 'type' and 'style'" into the 'result' field.
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Aug 5, 2009
So I have to ask some stupid questions and make sure that there is not something wrong in this simple syntax. I am trying to get input field attributes type and tagname by field ID. Heres the code..
Code JavaScript:
var type = $('#' + input_id).attr('type');
var tag = $('#' + input_id).attr('tagName');
When I look in firebug I see there is the correct ID in input_id variable and that the input field with that id exists. But for tag and type variables I just get 'undefined' for reason unknown.. syntax is correct or?
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