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• How do I calculate Checked Check Boxes to equal a ...

# How do I calculate Checked Check Boxes to equal a Quantity?

Community Beginner ,
Aug 19, 2017 Aug 19, 2017

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Hello... stupid questions here, but I am creating a fillable form in a PDF a client sent me which was created in Excel. When the form is completed, the objective is to have a customer check a box for a size and/or multiple sizes which would equal a quantity. Once the quantity has been established it then needs to add or multiply the price per item and generate a total. I was able to get the quantity to multiple the price and get a total BUT I cannot figure out how to get the quantity to recognize its total based of the number of check boxes selected???

I tried to set it up where the value is the "product X" of the picked check boxes, but no luck???

Any help is appreciated and sorry if I have confused you! LOL!

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12 Replies 12
Community Expert ,
Aug 20, 2017 Aug 20, 2017

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So basically you want to count the number of checked check-boxes and use it in your calculation?

If so, what are the names of the check-box fields you wish to count?

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Aug 20, 2017 Aug 20, 2017

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Yes, thats basically it. There are 10 check-boxes and are named Check Box1 thru Check Box10. Thanks!

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Community Expert ,
Aug 21, 2017 Aug 21, 2017

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You can use this code to count the number of checked boxes and apply use it as the value of a text field:

`var total = 0;for (var i=1; i<=10; i++) {    if (this.getField("Check Box"+i).value!="Off") {          total++;    }}event.value = total;`

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Community Beginner ,
Aug 26, 2017 Aug 26, 2017

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PERFECT! Thanks so much!

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New Here ,
Nov 16, 2020 Nov 16, 2020

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This code was extremely helpful! Thank you.

If you have a form with 2 sections, with the same check box fields, only I added an _ how could I calcualate the section section?

Example:

First section form check boxes labeled= Check Box1 - 10

Second section form check boxes labled= Check Box_1 - 7

Thank you in advance. š

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New Here ,
Dec 08, 2021 Dec 08, 2021

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So thus code is placed in the field I wish the total number to show up in?

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Community Expert ,
Dec 08, 2021 Dec 08, 2021

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Correct.

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New Here ,
Oct 23, 2020 Oct 23, 2020

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Hi there, was wondering if you could help me out on a similar issue.  My issue is let's say I have a grid of 5 checkboxes by 5 checkboxes.  and I want to total each row of checkboxes. The check boxes in row one are Check Box2_0  Check Box2_5  Check Box2_10 Check Box2_15   Check Box2_20

how would that script look?   (as an aside, my numbers actually go 0-150  ... so if there is someway to code it for multiples of 5, where 150 is the largest, that would be helpful)

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Community Expert ,
Oct 23, 2020 Oct 23, 2020

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You just need to change the loop. For example, this will loop over fields 0, 5, 10, etc. up to 150:

for (var i=0; i<=150; i+=5) {

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New Here ,
Oct 26, 2020 Oct 26, 2020

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Oh thank you!!!!

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New Here ,
Jan 31, 2023 Jan 31, 2023

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Hey there, is it possible to help me with my issue? I have 11 questions with checkboxes, each checkbox has a value and I need to calculate all the checkboxes to Total. Checking out the attached file you will see only 2 of the questions. I use this code but it doesn't work for me:

var total = 0;
for (var i=1; i<=11; i++) {
if (this.getField("Check Box"+i).value!="Off") {
total++;
}
}
event.value = total;

It calculates each question as value 1, so finally I have 11 in the total section.

Thank you in advance!

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Community Expert ,
Jan 31, 2023 Jan 31, 2023

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You should add the fields in Acrobat, first of all.

So what is the value for each box, then? Did you set it as the export value of each one?

If so, replace this line:

total++;

With:

total+=Number(this.getField("Check Box"+i).value);