Error Cannot read property 'text' of null of a OptionSet field

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Posted on by Elpibato

160

Hi,

I have a OptionSet field on form and i wrote a code to hide a tab on this form if specific item is selected, But if no item is selected, I've got an Error:

6404.pastedimage1629061026319v1.png

function showtab (executionContext){

formContext = executionContext.getFormContext();
var Title = formContext.getAttribute('cos_joblevel').getSelectedOption().text;
if (Title != null){
if (Title == "Apprentice")

{
formContext.ui.tabs.get("tab_evaluationformapprentice").setVisible(true);
}
else
{

formContext.ui.tabs.get("tab_evaluationformapprentice").setVisible(false);
}
}
}

Can anybody help me with this problem?

Thank you in advance!

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Answers (2)

Verified answer

meelamri 13,216 User Group Leader on at

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Hi,

You need to check if the selectedOption is not null.

if (formContext.getAttribute('cos_joblevel').getSelectedOption()!=null){

//yourCode

}

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Verified answer

Community Member on at

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Hi,

If that item is not selected, `formContext.getAttribute('cos_joblevel').getSelectedOption()` will be null, and then calling `text` will cause the error you see, it is recommended to be like what `Mehdi El Amri` said First judge whether it is null.

If this helped you, I'd appreciate it if you'd mark this as a Verified Answer, which may in turn help others as well.

Best Regards,

Frank Gong

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Elpibato 160 on at

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Hi, Thank you.

It works now.

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Suggested answer

Victor carlos 20 on at

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var customerValue = Xrm.Page.getAttribute("cos_joblevel").getValue();
if (customerValue != null) {
// ...
} else {
// ...
}

check this article:

community.dynamics.com/.../don-39-t-use-getselectedoption-text

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