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Hide field on Submission form

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Hi All,

I have a problem with one of my Submission form.

I need to conditionally hide a field if the user checks the checkbox field (Virtual). 

I have tried to achieve this functionality with standard Caspio feature call "Rules", however, it doesn`t save the value if the field is hidden with "Rule".

Forgot to mention the field receive an auth parameter on load. 

Can someone share with me a pure JS solution for hiding fields conditionally? 




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It is possible to implement this workflow using additional JS.

Please find the application with the same feature implemented - test.ziptest.ziptest.zip

Please note that you should disable HTML editor before you insert the code.
Here are the snippets of code you should insert into your datapage:



.cbHTMLBlockContainer {
 padding: 0 !important;


HTML Block under the field you want to hide:

<table style="margin: 0; padding: 0;" id="ruleDiv">

HTML Block below the field you want to hide:



<script type="text/javascript">
document.addEventListener('DataPageReady', function (event) {

 let hide =  document.getElementById('ruleDiv')
 let checkId = 'cbParamVirtual1';

 document.getElementById(checkId).addEventListener('change', function (event) {
  if (event.target.value == "Y") {
   event.target.value = "N";
   hide.style.display = "none";
  } else if (event.target.value == "N") {
   event.target.value = "Y";
   hide.style.display = "";


You need to define the ID of your checkbox you want to use as a condition to define rule:
let checkId = 'cbParamVirtual1';

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