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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / Will Execute First jav...
Microsoft Dynamics CRM (Archived)

Will Execute First javascript () method or Business Rule?

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Posted on by sars 95

Hi Team,

I need clarification.

In Entity Form ,i have one Javascript Method and Business Rules.

In Form Load ,Will Execute First javascript method or business rules ?

Thanks

Saravanan S

*This post is locked for comments

  • Sergio D. Profile Picture
    Sergio D. 56 on at
    RE: Will Execute First javascript () method or Business Rule?

    We are seeing, experiencing this order of execution to depend on the mode you are in; Classic Mode or UCI.


    We started our project with CRM 2016 v8 on-Premise but later upgraded the same project to D365 on-Premise v9.0.2.
    During the investigation of an issue on the form which was executing JS onLoad function and a Business Rule that was using the same field, we discovered the order of execution is different depending on the mode we are in.

    So be on the lookout...

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Will Execute First javascript () method or Business Rule?

    JavaScript is client side script so, JavaScript executes first and Business Rule is Asynchronous process.

  • Suggested answer
    crm development Profile Picture
    crm development 870 on at
    RE: Will Execute First javascript () method or Business Rule?

    The execution order:

    1) System Javascripts (source code by Microsoft)

    2) Custom Javascripts

    3) Business Rules.

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Will Execute First javascript () method or Business Rule?

    I found this article really helpful to understand Business rules vs JS order. I hope it helps you too.

    community.dynamics.com/.../crm-2013-business-rules-vs-javascript-who-wins

  • Suggested answer
    Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Will Execute First javascript () method or Business Rule?

    Hello,

    Like everyone mentioned JavaScript will execute first.

    Reason :
    The reason being, Business rules will only work after it gets converted to JavaScript files (which happens in the background). So basically, be it be a JavaScript or Business Rule, both gets processed only as JavaScript file. Eventually, JavaScript files will get loaded in lesser time compared to Business Rule as it doesn't require any conversion to JavaScript format.

    Hope this helps :)

    Please do verify if you find it helpful :)

  • Suggested answer
    Nithya Gopinath Profile Picture
    Nithya Gopinath 17,074 on at
    RE: Will Execute First javascript () method or Business Rule?

    Hi,

    Javascript will be executed first. The execution order is: System Javascripts (source code by Microsoft), Custom Javascripts, then Business Rules.

  • Suggested answer
    Alagunellaikumar Profile Picture
    Alagunellaikumar 6,210 on at
    RE: Will Execute First javascript () method or Business Rule?

    Javascript trigger first.

    alagunellaikumar.blogspot.in/.../which-one-fire-first-java-script-or.html

  • Suggested answer
    Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Will Execute First javascript () method or Business Rule?

    JavaScript will executes first

  • Suggested answer
    shivaram Profile Picture
    shivaram 3,315 on at
    RE: Will Execute First javascript () method or Business Rule?

    Javascript. Always coding part will execute first.

    Javascript Vs Business Rule --> Javascript

    Plugin Vs Workflow --> Plugin

  • EmployeeOcta Profile Picture
    EmployeeOcta on at
    RE: Will Execute First javascript () method or Business Rule?

    I believe it will be javascript  only.

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