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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / Best place to write va...
Microsoft Dynamics AX (Archived)

Best place to write validation

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Posted on by @rp@n 56

Dear All,

Can you please let me know if i need to write any validation in form level as per customer requirement then where is best place to write validation. In Table or In Form ?

Please give me more shed on this.

Thanks!

Arpan Sen

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I have the same question (0)
  • Martin Dráb Profile Picture
    Martin Dráb 240,073 Most Valuable Professional on at

    Use validate* method (such as validate() and validateField()) for validations. Prefer validation methods on tables to methods on the form itself. Which exact method you should use depends on your particular situation; there is no single best place for "any" validation.

  • @rp@n Profile Picture
    @rp@n 56 on at

    Thanks Martin,

    If i write the same validation in AOT > Table > Methods instead of Form > Table > Methods. Is there any any difference?

    Please give me more shed on this.

    Thanks!

    Arpan Sen

  • Verified answer
    Pradeep_Prakash Profile Picture
    Pradeep_Prakash 717 on at

    Hi Arpen,

    We have 2 reasons for writing code in table level rather on the form.

    1. For code reusability. If you write code in table you no need to write repeated codes in each form for validation.

    2. Performance issues.

  • @rp@n Profile Picture
    @rp@n 56 on at

    Thanks Pradeep,

    So, i think we need to write code in Table level mostly instead of form.

    Point 1 is OK

    Can you please elaborate me Point no 2. How it's impact performance issue?

    Please give me more shed on this.

    Thanks!

    Arpan Sen

  • Verified answer
    Pradeep_Prakash Profile Picture
    Pradeep_Prakash 717 on at

    Hi Arpen,

    When u write code in form it always run client tier, consuming more resources can reduce the speed of form.  But in table level you can make your code run on server tier.

    For more information please refer

    msdn.microsoft.com/.../aa879485.aspx

    Regards,

    Pradeep

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