<link rel="stylesheet" href="https://s3.amazonaws.com/flexmonster/2.3/demo.css">
<script src="https://cdn.flexmonster.com/flexmonster.js"></script>
<h4>
Enable Validation and try to add the calculated value "Sum(ize)" instead of "Sum(Size)". You should see a warning message when trying to apply.
</h4>
<h4>
Disable Validation and try to add the calculated value "Sum(ize)" instead of "Sum(Size)". No warning message will appear when trying to apply.
</h4>
<button onclick="validateFormulas()">Enable Validation</button>
<button onclick="notValidateFormulas()">Disable Validation</button>
<div id="pivot-container"></div>