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Cascading Form Elements


ppbb123
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1. create a virtual field as text type,

2. hide the child dropbox by surrounding it with HTML table tags: http://howto.caspio.com/customization/h ... pages.html

3. insert the following code into the footer

<script>
function drop(){
document.getElementById('cbParamVirtual1').value = document.getElementsByName('InsertRecordFieldName')[0].value;
}
document.getElementsByName('InsertRecordFieldName')[0].onchange = drop;
</script>

cbParamVirtual1 is element id of the virtual field.

InsertRecordFieldName is element id of the child dropdown.

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Caspio cascading dropdowns always ask to verify in the Details/Update page. It will populate the old value in the table instead of the real related value from parent dropdown at first. If you only have one related value, and want to select the related value automatically. Here is the solution:

1. Create a Virtual field (id might be "cbParamVirtual1") as a cascading dropdown to receive the value, change the second cascading dropdown (id might be "EditRecordFieldName") to a Text field.

2. Insert the following code to pass the value from Virtual field to Text field.

<script>
function drop(){
document.getElementById('EditRecordFieldName').value = document.getElementsByName('cbParamVirtual1')[0].value;
}
document.getElementById("caspioform").onsubmit=drop;
</script>
3. Hide the fields if it is needed.
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