Auto Update Price Based On Form Fields?

Aug 7, 2010

I am more of a front end guy with experience in xhtml/css and want to get my hands dirty with some back-end programming (Javascript/jQuery/AJAX/PHP) and was wondering about a specific task involving (mainly) what I would believe is AJAX.

I was wondering if there is a way to have a page with a starting price of $299 (lets say a basic vacuum) then below that are 20 or so customizable add-ons to choose from through simple checkboxes. That (to me) should be easy enough, but I would love to have the grand total at the bottom of the page be updated in real time as the user checks or unchecks certain add-ons (kind like how apple.com does it).

What is a good starting point for this, and would it be possible to send out the order as an email with the total price sent to the business owner.

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Auto Update Price Based On Form Fields

Aug 7, 2010

I am more of a front end guy with experience in xhtml/css and want to get my hands dirty with some back-end programming (Javascript/jQuery/AJAX/PHP) and was wondering about a specific task involving (mainly) what I would believe is AJAX. I was wondering if there is a way to have a page with a starting price of $299 (lets say a basic vacuum) then below that are 20 or so customizable add-ons to choose from through simple checkboxes. That (to me) should be easy enough, but I would love to have the grand total at the bottom of the page be updated in real time as the user checks or unchecks certain add-ons (kind like how [URL] does it).

What is a good starting point for this, and would it be possible to send out the order as an email with the total price sent to the business owner. Like I said, I can sorta get my way around this stuff

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Code To Auto Update Price When Form Field Value Are Changed?

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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Auto Update Price When A User Changes Options To An Item?

Dec 22, 2011

What i am trying to do is allow a user to get a quote on how much an item would be if they wanted to sell it. all the data is being generated dynamically on the item and passed to this JavaScript correctly. The issue is when a user changes his mind and switches his options a few times the price goes out of wack and some times will actually be more then the original price. For example. If the item was in mint condition it would be 100 dollars. If it is " good condition" then it would loose lets say 20 percent, so it would be worth 80 dollars. Now each item has 3 sections of questions, what is the condition of the item, any "modifiers" like water damage or functional issues, and then third section is if its missing any parts or cables. All of this is being asked on 1 page, and when a user changes any of the options it should update the price on that page with out the user needing to press update. So condition goes, 100%, 70%, 40%, 20%. Modifiers are 50 percent of current price of item, so if it was "perfect (yes I know an item cant be perfect and have water damage but this is just an example) thus being 100 dollars, and has water damage, that would make it now worth 50 dollars, and has functional issues, now worth 25 dollars. If it was missing cables, it would loose lets say 5 dollars so now its worth 20 dollars. Thats an example on how i calculate the value of the items. So once again, the actual amount is being passed correctly to this script, but when you make to many changes its not happy.

[Code]...

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Update 'total' Field With Multiple Price Fields?

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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Jun 5, 2009

Currently, I have a php form with various inputs, and a div where I am embedding an (initially) empty open flash chart object.Right now, I am calling a php file on the submit of the form, which takes the form data, calls a python script to process the form data, and then creates an open flash chart object using the data the python script returns.There are a few problems with this:

1. When the submit on the form is called, it goes to a different page where the chart is displayed, when I would really just like to update the contents of the chart div where I initially embedded the empty chart.

2. The processing of the form in the python code can take some time, so what I would really like is to have the chart "check" the output of the python script periodically and update the chart each time, adding the new data points to the old ones.

I know I can do all of these things with javascript and Ajax, I just can't seem to find any tutorials or examples that are exactly what I am looking for.

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Writing A Price Based On Selection Of Input Fields?

Aug 29, 2011

I have a registration form that I am working on in which I need to assign a price to each option in a selection box then write that price in the document.Then I have a radio button that will add (different amounts based on selection) to that price before it is written. Then I have another radio button that just needs to write a price based on its selection. Both of these values will be written and then totaled. (See below for a less confusing explanation)

On HTML form:
>drop down list (name courseName, value of selections 1,2,3,4)
> radio button (name returnStudent, value of selections 1,2)

[code]....

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Nov 2, 2009

I need the value of my drop down box options to contain size information rather than price. However I would like to be able to calculate a price for the items based on what size the user selects as well as the quantity. Below is the code I came up with (which doesn't work obviously)What can I do to get this to work for me?

<head>
<script type="text/javascript">
<!--

[code]....

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Jan 4, 2006

For instance, Box A has a blank entry and I enter in 5. Box B I enter in 6
so in Box C it should automatically give me 11 (if the code I put in is to
add box A and B). Then in Box D I put in 3 (say to subtract from A and B
combined) so then Box C adjusts to give me 8.

Don't worry about the math as that's all taken care of it, I just need to be
able to know how to update on the fly like this.

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Multiple Selects To Update The Price?

Apr 19, 2010

I am building a system for creating a booklet.I want the user to be able to select the quantity of booklets they require. (eg 50, 75, 100, 125)Then also select the number of pages each booklet will require. (eg. 4, 8, 12)

both will be select drop down boxes.I would like the price to be calculated based on the selections and displayed on the page.It will be total price not price per booklet.This is how i have built up the prices in php.

if($b_maxpages == '4' && $b_quantity == '50') { $amount = "95.00"; }
elseif($b_maxpages == '4' && $b_quantity == '75') { $amount = "103.00"; }
elseif($b_maxpages == '4' && $b_quantity == '100') { $amount = "115.00"; }

[code]....

I will also need the selected data to be posted once the form is submitted.

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I have a form, and when a user inserts their username (desired) I want the text they enter into that field to automatically appear inside another field. However, this other field also already has a default value which is a folder structure, I want to leave the folder structure in place /publuc_html/ftp/ and add whatever has been added to the username field to the end of this so the folder will then read /publc_html/ftp/steve and if possible include a trailing slash. I have the form and input fields, just cant figure out how to add the above function to it.

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I've been playing a lot with jQuery though, and thought I'd have a try with the Google Maps Javascript API v3
I have a bit of code;

[Code]....

Everything works perfectly, except the form fields don't update once the marker is moved. I expect this is a really elementary javascript mistake!?

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I have some form fields that the user can either type in or he can check a checkbox so that MySQL data for an option selected from a dynamically generated (PHP/MySQL) select menu is filled in. How can this be implemented? I have the code for the select menu.

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May 16, 2010

I need to be able to change the fields of a form based on a drop-down list. Like if someone picks option A field 1 shows and if they change it to option B field 1 and 2 show up without reloading the page.

If you need me to explain more I will try to do a better job. If I could be pointed in the general direction that would be great, I dont exactly need to be spoon-fed, although I do like spoons if you catch my drift .

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I'm trying to get the two followup questions underneath the checkbox to show up only if someone places a check there, but for some reason the way I've got it set up now it's simply hiding the area I want to show up altogether, and the checkbox has no effect on it.

Rather than waste tons of space pasting it here, here's the pastebin: [url]

Alternatively here is the live version:[url]

I'd prefer to have the form collapse when the additional questions are hidden, though if i can get this working at all.

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(validating fields) with reg expression for these currency/price values:

1. 100,000 ,0, 1,000 , 1,000,000 (should only have commas , no decimals) imean for all number formats
2. 1,000,000+ , 100,000+ , 0+ but not '100+00,' (for all number formats with + sign after that)

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I have a form that collects information about up to 5 items. I would
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In other words, if the user selects enter info for 3 items, then input
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I have 2 input box on my form...i would like input box #2 to be
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I would be greatful if some could guide me through this. I'm a php guy
with little javascript knowledge.

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This is my first venture in this forum and also my first attempt at some programming for a fair few years and I have run into a problem i cannot for the life of me see the answer to. I am fairly sure I am just missing something stupidly obvious, but like I said its been a few years since I did any programming so I'm a bit behind with my knowledge!

What I am trying to do is using a combination of HTML & Javascript (well actually JQuery), is to automatically update a cell in a table without the user doing anything. The changes to the content are based on changes to a database by other users. I have written the following code which auto updates text in the DIV, the question is how do I ammend this text to automatically switch between pictures?

[Code]...

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I have a been developing an Online auction website using PHP and Mysql for the last few weeks. I have implemented everything including the 'bidding', 'buy it now' options of the auction etc.

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Apr 3, 2009

I am a webmaster trying to implement an auto-content update system without using PHP, which is challenging for me because I use PHP, JAVA, C(and extentions), HTML usually. My current project requires me to not use PHP so I am using javascript and xml.

I have the code written out but I am running into an error with Safari 4.

Here's my code:

<script type="text/javascript">
var req;
function loadXMLDoc(url) {
var xmlDoc=null;

[Code].....

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[url] I found a script that calculates the price of a journey from A to B using this formula:

Quote:

This current formula is not accurate.

Here is what I need:
First 2 Miles = 5
Each mile after that = 3

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