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In this article, we will demonstrate how to retrieve values from a subform. We'll use a simple app as an example, where we read the value from the subform and set it in a form field.


Form Design

Subform Design

Make sure to remember the Form ID of your subform, it will be necessary for your Custom HTML.


Parent Form Design


Custom HTML

This is the Javascript code that reads the value of the subform and sets the field value.

Javascript
<script>
    $(document).ready(function(){
        selectmain = $(FormUtil.getField("field1")); //Get ID of subform
        selectmain.on("change",function(){
            setTimeout(function(){
                select1 = $("#field2_subform_name"); //Get subform value
                var field1 = FormUtil.getField("field3"); //Get field of form
                $(field1).val(select1.val()); //Set field to value of subform
            },100);
        });
    })
</script>


Runtime

This is the result of the above code:


Download the sample app below:




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