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Dynamics 365 Community / Forums / Customer experience | Sales, Customer Insights,... / Getting error - as for...
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Getting error - as formContext.getAttribute.. is not a function

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Posted on by snehaln676 140

Hello,

I have a java script function on load of the form which eventually calls - formContext.getAttribute("new_fieldame").addOnChange(fucntionname).

But on load of new lead form or existing lead form, following error is occurred -

formContext.getAttribute(...).addOnChange is not a function

This error was not occurring on other environment (having same JS, same form), however I could reproduce it by removing that field 'new_fieldname'.

On-load function gets called when complete form is loaded. However, I think the field is not getting loaded here.

Any idea about the occurrence of this error?

Thanks in advance.

  • Aarnav Profile Picture
    Aarnav 125 on at
    RE: Getting error - as formContext.getAttribute.. is not a function

    The form will pass global context , not the formContext , so you will need to get formcontext before calling getAttribute method.

    formContext.getFormContext().getAttribute("new_fieldname");
     assuming 'formContext' is the name of the argument in your function.

    [quote user="PD_0504"

    Hello,

    I have a java script function on load of the form which eventually calls - formContext.getAttribute("new_fieldame").addOnChange(fucntionname).

    But on load of new lead form or existing lead form, following error is occurred -

    formContext.getAttribute(...).addOnChange is not a function

    This error was not occurring on other environment (having same JS, same form), however I could reproduce it by removing that field 'new_fieldname'.

    On-load function gets called when complete form is loaded. However, I think the field is not getting loaded here.

    Any idea about the occurrence of this error?

    Thanks in advance.

    [/quote
  • Yiantheo Profile Picture
    Yiantheo 5 on at
    RE: Getting error - as formContext.getAttribute.. is not a function

    I have the exact same issue, did you find a solution to this? mine is  formContext.getAttribute(Applikata.Grade.Fields.Exam(true)).addOnChange(CalculateResult); and the field is alright in the form

  • Verified answer
    a33ik Profile Picture
    a33ik 84,323 Most Valuable Professional on at
    RE: Getting error - as formContext.getAttribute.. is not a function

    My recommendation - place it somewhere on the form and uncheck "Visible" checkbox in the properties - that should fix your issue.

  • snehaln676 Profile Picture
    snehaln676 140 on at
    RE: Getting error - as formContext.getAttribute.. is not a function

    I have the field on header of the form and not anywhere else on form. However I am accessing it with 'new_fieldname' only (instead of header_new_fieldname). It works on one environment, form gets loaded properly. But, it fails on another environment (replica of the 1st environment) where I get above mentioned error.

  • a33ik Profile Picture
    a33ik 84,323 Most Valuable Professional on at
    RE: Getting error - as formContext.getAttribute.. is not a function

    Can you confirm that field is available on the form? Without field available on the form getAttribute will return null so your code will fail.

  • snehaln676 Profile Picture
    snehaln676 140 on at
    RE: Getting error - as formContext.getAttribute.. is not a function

    Hello Clofly,

    I have checked the field name and 'new_fieldname' is the logical name of the field.

  • cloflyMao Profile Picture
    cloflyMao 25,198 on at
    RE: Getting error - as formContext.getAttribute.. is not a function

    Hi Partner,

    You could check whether "new_fieldname" is actually the logical name of that field.

    I recommend to use Level up for Dynamics 365/Power Apps plugin of Chrome, after the plugin has been installed,

    click the "logical name" menu to get logical name of all fields of form quickly.

    pastedimage1597389156546v1.png

    Regards,

    Clofly

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