Find The Best Method Of Updating A Running Total Of The Value Of List Boxes?

Feb 11, 2011

I'm just trying to find the best method of updating a running total of the value of list boxes. I basically have 6 items and I want a drop down box listing quantities. when a number is selected I want a total to update beneath. I'm not sure I can do this in PHP without reloading the page. Do i need to use Java script? if so I'm a total newbie can someone point me in the right direction?

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Row Number, Total And Grand Total Not Updating In Dynamic Table?

Sep 12, 2011

I am making making class project and faced with some problems. I have found script (here) and learned.

1. not updating row number and row ID after deleting rows

2. not updating total sum if user change quantity

3. not updating grand total after deleting and changing quantity

<html>
<head>
<script type="text/javascript">[code].....

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Loop Won't Update Running Total?

Sep 1, 2010

I am working on an exercise I found on a website. The problem is that my loops will not update the running total values in these functions I am keeping. I have having a hard time finding where the error is occuring

Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>

[Code]....

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Jul 29, 2010

I have a bulk editable gridview. There are 15 editable columns (which sum to 100) in each row. The number of rows may vary, depending on what the user has selected. I want to find a way of keeping a running total up to 100 in each row when the user is entering values into the editable columns. I then want to save this data.

The running total column (Total) is a bound column and not editable by the user.

This looked helpful but I am still confused: [URL]

I am not sure what obj.tagName is...

A sample of my grid (first 3 editable columns) is below.

<body>
<form id="form1" runat="server">
.....
.......
<asp:GridView ID="GridView_C" runat="server" AutoGenerateColumns="False"

[Code]....

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May 13, 2009

I have a multiple choice quiz in HTML. My requirement for scoring this quiz seems to be different from every other quiz I have seen on the net.

This is due mainly, I believe, to the fact that the number of questions involved in this quiz can be from 1 to infinite as the user action brings up the next question from external JS Q&A files.

In addition I want the user to see their score amended each time they answer a question, not at the end of the quiz (which theoretically may never happen).

In the existing code I already determine and provide "Correct" and "Incorrect" messages immediately following the selection of any of the four 'answer' radio buttons.

What I need to do now is to find out how I can arrange to:

1 count all the Correct answers - when they occur and add to a 'running' total (RT1)

2 count all the Incorrect answers - when they occur and add to a 'running' total (RT2)

3 calculate:- (RT1/(RT1 + RT2)) x (100/1) = percentage success rate so far.

The percentage success rate so far´┐Ż is to be shown in a text field for the user to see.

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in my webpage, i've a form which contains several textboxes and a submit button. all the textboxes are generated using php looping method.so, what i wanna do is, when user click the submit button, it will sum up all the textboxes values and pop up alert message telling the total value.

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Updating DIVs When Value Changed From Combo Boxes

Feb 25, 2011

I will show u my code pages.
addcart.php
<?php
require_once("../Connection/connection.php");
if(!$_POST['img']) die("There is no such product!");
$img=mysql_real_escape_string(end(explode('/',$_POST['img'])));
$q_result=mysql_query("SELECT * FROM tbl_items WHERE item_photo='".$img."'");
$row=mysql_fetch_assoc($q_result);
$period = $_POST['period'];
$count = $_POST['count']; .....

$('a.button').css('display','block');
$('#cart-text').css('display','none');
}else// hide them{
$('#total').html('');
$('a.button').hide();
$('#cart-text').css('display','block');
}}

My problem is I want to update the totalprice div, when I change the value from the combo boxes. I just want to calculate the rate and the quantity and update it to the totalprice div. But now it is not working. I am retrieving the rate from a database using another php file shown in that script.js. All the values are retrieving and working fine. I use ajax drag and drop care script there. [URL]

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im wanting to add check boxes up to create a total sum at bottom of the form or anywhere for that matter.im wanting to add the values up of the check boxes and then the total amount of checked boxes appears in the total amount. also ive been trying to get it when you uncheck a box the amount goes away from the total amount.here is what ive got

<script type="text/javascript">
function initialize(){
Total = 0;

[code]....

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Apr 15, 2009

I am trying to simulate a simple checkout page where a user inputs the quantity of merchandise that they want in multiple text boxes. When they click "calculate" it calculates the subtotal, tax, and total. As it stands my calculate function works if I do quantity * price for each text box and then add together. I would have to do this 9 times! :eek: I would like to use an array but I am not exactly sure how to use it to do calculations. I know I need a loop (which I have written) and an array (which is written also).

[Code]....

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May 19, 2011

ave this form which gets created by pulling stock/products from a database using PHP and beside every product in the row is a little box for input and in there the user can input the quantity of the product they want. Sometimes only 2 products will be outputted and other times 10 or more.What I want to happen is when the user enters in lets say 3 for the quantity of a certain product I want to get a total for how much 3 of that product will cost so I just do 3 multiply by the cost (which I have from the database) and then display the total cost down under where the list of the available products are and I want all this to happen dynamically obviously not using PHP because I don't want the page to have to reload every time they enter in a new quantity.

I know how to display text and stuff in certain divs with certain ID's using Javascript but I just don't know how to keep track of a form and do what I want to do when the number of inputs in the form can range from 1 to 10 or more. Im thinking of some sort of counter which gives every input a different ID like add 1 at the end of the ID name of the input as the PHP script loops through the database query displaying the products but I still don't know how to go about the Javascript side of things

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var windowHeight = $(window).height(); // returns height of browser viewport
var documentHeight = $(document).height(); // returns height of HTML document
var windowWidth = $(window).width(); // returns width of browser viewport

[code]....

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How to find out the number of checked boxes length without looping thru the whole set of check boxes....

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I'm trying to alter the contents of a drop-down (select) list on the
parent window from a child window in IE 6. After opening the child
window, I set its opener to reference the parent like this:

childwin = window.open(...)
if (childwin == null)
childwin.opener = self;

Then, to update the parent select list from the child window, I do
this:

opener.document.myForm.NameOfSelect.options.length = 0;
opener.document.myForm.NameOfSelect.options[0] = new Option("", "");
for (var ixy = 1; ixy <= newDataArray.length; ixy++)
{
opener.document.myForm.NameOfSelect.options[ixy] = new
Option(someNewDisplayText, newValue);
}

This looks correct and works up to a point. I can empty the parent
select by setting the its options.length to zero. But, when I try to
add new options, IE gives me a "server threw an exception" message.
Is all this even possible in IE?

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Dec 6, 2010

I am having some difficulty in constructing a window.confirm() function that works with my code.So if the form data is valid, I need to use a window.confirm() dialog box to show the user's total cost based on the rental rate of equipment chosen and the reservation period. The user must accept the cost by pressing the confirm button, and if user cancels do not submit data.I have written this code but cannot figure out how to find the number of days from the 2 date fields and use that to calculate and display the total cost.

//confirm submit and display rental cost
var equip = document.forms[0].equipment.value
var pDate = document.forms[0].pickupDate.value[code].....

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List Running Timers In JavaScript

Jul 23, 2005

Does anybody know a way to retreive the running timers (their ids) in a html
page?

I cannot find something in the html dom at first sight.
Is there collection of timers available (like window.all[], forms[],
frames[] and such)? Some other way?

When you create a timer (setTimeout), the return value is the timer id.
Suppose that some script (which you do not own and cannot change) calls
setTimeout but doesn't store the id. How to retreive it, to stop the timer (clearTimeout(id))?

I though to override the "setTimeout" like below, but that doesn't work.
Probably since the original setTimeout is used before I declare this new
one.

var oldSetTimeout=setTimeout;
var timerSaved=0;
setTimeout = new function(arg,time)
{
/*alert('timer: '+arg+', '+time);*/
timerSaved=oldSetTimeout(arg,time);
return timerSaved;
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Nov 10, 2010

I have twenty <select> fields on my page, but I want all of them to use one communal list of <option> values.

These values will be something like:

When someone selects a value from one of the <select> fields, I want that <option> value to have a strike through on all of the other <select> fields.

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how to add up a series of text boxes which contain numbers that a user will input and have the total of those text boxes show up in a quantity text box on the next page.

Not sure if i should use javascript or php, but i don't know how to do it either

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I have been searching high and low on how to do this and I think I'm at a loss because I'm so unfamiliar with js and ajax.What I would like to do is have just a single div on a page refresh every 5-10 secs; the content of the div shows what users are logged on; the content is generated by a query on my db

<div id="players"><?php
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almost all of the google results I got for refreshing a div were for updating dropdown boxes or dealt with some kind of page event...so now I'm at a loss on what else to look for..

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Given the following HTML:

<ul>
<li class="">1</li>
<li>2</li>
<li>3</li>

[Code].....

Unfortunately that doesn't work. I understand that the index() isdocumentation (though confusing) correctly tells you that the above code doesn't work. Maybe I'm just weird, but I feel that the way .index() is implemented for string arguments is very counter intuitive. I have an expectation that .index() is similar to indexOf() in javascript.

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I'm attempting to use javascript but have a feeling that i'm failing terribly.

I have five div tags each contating a set of list items, when one of these list items is clicked i want the original div tag to become hidden and the relevant one shown.

Here's what code i have, it's not including the css as its somewhere in the region of 1500 lines and just positions sprites!

<html>
<head>
<link rel="stylesheet" href="sprite.css" type="text/css" />
<script type="text/javascript" src="http:ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>

[Code].....

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Apr 19, 2010

I have created a form with 2 list boxes and coded to allow a user to move items from one list box across to another.

What I need to do now is

1. to send the completed right list to a php page for database updating.

2. be able to have up to 3 list box sets on one page and reference each individually. i.e one for parent categories, one for child categories and one for products belonging to this category.

the page is located at

[URL]

the code is as follows

Code:
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
function move(frombox, tobox) {
var arrFrombox = new Array();

[Code]....

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Here is the test list:

<div class="nav-wrap">
<ul class="group" id="example-one">
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[code]....

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