JavaScript and Business Rules don't place nice together

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Posted on by Cyclefitness

If I have business rules that address Field A and Field A has an onchange event handler, the business rules seem to be ignored.

Is there any way around this? My only alternative is doing all the hide/showing from the business rules within the JS, which is a drag.

Thanks.

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Aiden Kaskela 19,696 on at

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Hi Deb,

If you have a business rule that sets a field, that field change will not trigger the on change event handler for the field (I had to find this out the hard way a few months ago). If you have cascading logic like that I'm afraid you need to put it all in one mechanism or the other. Sorry.

If this helps I'd appreciate if you'd mark this as a Verified answer.

Thanks,

Aiden

EDIT: Here's the details: https://technet.microsoft.com/en-us/library/dn531086.aspx#BKMK_Limitations

When you set a field value by using a business rule, any OnChange event handlers for that field will not run. This is to reduce the potential for a circular reference, which could lead to an infinite loop.

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Aileen Gusni 44,524 on at

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Hi Cycle

The business rules behavior is to trigger the onchange you need the user to input.

So it needs user input.

[View:http://www.wipfli.com/BlogPost_MCRM_Blog_012715_BusinessRulesConflict.aspx]

Hope that can help you.

Thanks

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Cyclefitness on at

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There does seem to be a defect with this, though. My scenario is this:

Fields 1 thru 3 on my form are within the control of JavaScript. It's the JS to clear filtered lookups.

Fields 4 thru 7 on the form are not impacted by the JavaScript. They are all calculations via business rules. The only way the calculations will work for 4 thru 7 is if the JavaScript functions on 1 thru 3 are turned off.

This just doesn't make sense.

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