Looping Through Form Fields And Summing Values?

Feb 14, 2009

I have a form that I am trying to loop through the elements of and come up with a total, when the form is submitted. The goal is to alert users that they have not entered a minimum or maximum number of choices before letting the form submit. The fields in question might be checkboxes in some cases (with a value of 1) or textboxes in others with user-submitted values. Here is a stripped down example...The html

<form class="phpws-form" id="elections_vote" action="index.php" method="post">
...
<input type="text" name="Candidate_Vote[2]" id="Candidate_Vote[2]" size="3" value="" />
<input type="text" name="Candidate_Vote[3]" id="Candidate_Vote[3]" size="3" value="" />[code]....

...problem is, is that total is always 0. I know I'm missing something, and I suspect that 'inputs' is not what I want it to be,

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Jul 20, 2009

I'm currently working on a PHP project, in which i have a search form for users to set search criteria and displays the result. for each result row i have created a checkbox for the user to select that row such that they will be able to identify which rows to export out.

now, as this could be a potentially generate a huge list of results, individually selecting each checkbox can be a pain. so i created a "toggle" checkbox which will toggle the checkboxes "on" or "off" using a javascript function.[code]...

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Jun 24, 2009

I am trying to use "replace" to remove dollar signs and commas from input values by looping through the elements. I'm pretty sure I have to use an array in an array to do so but can't figure it out. Here's what I have:

Code:
function removeStuff(){
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remove = new Array("$", ",");
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Sep 4, 2011

I'm working on a project that involves extracting values from a series of select boxes and then working out the result.

The select boxes contain the following:

<select name="select_Col1_Row1">
<option value="blue">Blue</option>
<option value="green">Green</option>
<option value="red>Red</option>
</select>

[Code]...

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Jan 27, 2010

I have 4 text boxes that are supposed to load 4 seperate values of data from one field in one table from a database. The field is called interface_cropsettings (from the interface table) and these values have been concatenated and comma seperated in this field.

Code:

Once the form is filled out and saved, the data is inserted into the database and the values from these 4 text boxes are concatenated, comma seperated and inserted into that one field correctly.

(Example)

If the 4 text boxes have the following values:

In the database field they become:

However, if the form is closed and then re-opened, each text box displays the entire database field rather then each value seperated in the corresponding text box.

(Example)

All 4 text boxes display this:

I already know why the data appears like this in the form, my problem is that I'm not sure how to write the javascript to seperate the values into the correct corresponding fields, assuming javascript is what I should be using!

Also, this is kind of irrelevant but just in case you're wondering, this form is part of a cold fusion application!

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Feb 15, 2010

I want to do is add the values of seven text fields on a form and pop that value to an eighth field. I thought the code below would work, but I get "NaN" on the sum field.

Code:
function addHazWaste() {
document.getElementById('HazardousWaste').value = 0;
var HazWasteTotal = 0;
var HazWaste1 = 0;
var HazWaste2 = 0;
var HazWaste3 = 0;
var HazWaste4 = 0;
var HazWaste5 = 0;
var HazWaste6 = 0;
var HazWaste7 = 0;
HazWaste1 = parseInt(document.getElementById('HazardousWasteSentToLandfill').value,10);
HazWaste2 = parseInt(document.getElementById('HazardousWasteSentToWasteToEnergy').value,10);
HazWaste3 = parseInt(document.getElementById('HazardousWasteIncinerated').value,10);
HazWaste4 = parseInt(document.getElementById('HazardousWasteRecycled').value,10);
HazWaste5 = parseInt(document.getElementById('HazardousWasteReused').value,10);
HazWaste6 = parseInt(document.getElementById('BiohazardousWasteSentToLandfill').value,10);
HazWaste7 = parseInt(document.getElementById('BiohazardousWasteIncinerated').value,10);
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document.getElementById('HazardousWaste').value = HazWasteTotal;
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If I run a separate function that just sets all form field values to zero (including the first line of this function). The summing works!!! Why won't it work the way I wrote it??? It won't work if I set the default value for the sum field to zero, either...

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I am having some trouble trying to fix my math equation to calculate the total rent by aquiring values from my form fields. Converting the date fields to days and finding the number of days via two date fields is mainly where I am having trouble. Also, I am trying to have a window pop up before submission but the onclick event does not seem to function properly.Below is the math equation I have come up with:

//calculate days from date field
function calcTotal(date1, date2) {
//assign variables

[code]....

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Jul 8, 2009

I am trying to assign values to a bunch of form fields. However, I don't want to loop through EVERY field in the form, just a specific subset of fields. The fields I am trying to change are all named similarly myField1, myField2, myField3.So, my thought is that I would like to use a for loop and loop through the appropriate fields by simply incrementing a variable and appending it to the end of the string "myField" in order to change the appropriate field.How can I evaluate "myField + iterator" into a useable reference to change the value of said field?

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Jun 6, 2009

I'm working on an ordering form which calculates the total order price using Javascript. I have a checkbox which I want to use to toggle the display of various items, and also reset the value of an item depending on whether or not it is checked.

Further details

I have a checkbox for the colour "Black" which, when checked, hides a SELECT, a bit of text, and "Quantity" field. It also resets the value of the "Quantity" field to zero.

When the "Black" checkbox is unchecked, the three items (SELECT, text and Quantity) are revealed again, and the Quantity field for "Black" is reset to zero and hidden.

The reason is that users can only either EITHER a black item or select from a list of colours. Black items are a different price to all others.

How the form works

When the user enters a quantity into a text field for each item, the price of that item is added to the total at the bottom of the form. When the form is submitted (with PHP validation), it emails the order to a salesperson. The price of each item (for emailing the order) is set using hidden form fields with defined values, while the order total is calculated using the id of each quantity field (e.g. "item_31_85.00").

What I need to know

I want to achieve the following when the "Black" checkbox is clicked:

Toggle the display of three items (SELECT field, text (in a DIV) and an INPUT)
Reset the value of the INPUT field (and reset a different INPUT when the checkbox is clicked again)

My current code

The code I'm currently using in the PHP form is below (truncated for readability):

Code:

<input type="checkbox" name="black" onclick="togglecontent('colour_box','colour_price','color_quantity','quantity_reset')" /> Black

[Code].....

Currently I can hide the SELECT and accompanying text when I check the "Black" checkbox, but it won't reset the INPUT value nor hide it. I've not yet attempted to do unhide and hide the Black text and input since I can't get this part working yet.

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[Code]...

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I am sending the code below:

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Dec 11, 2001

I just have some fields for people to enter the number of tickets they want in four categories. This number of tickets in each category (member, nonmember, etc.) is multiplied by the ticket cost, which is being pulled out of a database, and then the total of the four categories is meant to be added up.

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I have been looking for the past 2 days for a script that I can add and delete table rows.

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Have you come across to a similar script.

I would appreciate any contributions.

What I am trying to do is a page where the user will add their employees details so we can order business cards for them. So I have fileds such as, Name, Tel Num, Email, Cell etc.

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