Save null value in choice field

[zmansuri]

I have dropdown in form. Update property of that datacard is Dropdown1.Selected.

AllowEmpty is true in dropdown.

but when i empty the dropdown and save the form it doesn't store null value in sharepoint. but, keeps the old value

[ScottShearer · Accepted solution]

@zmansuri 

Please take4 a look at this post as I believe it provides a solution to your issue.

[StalinPonnusamy · Accepted solution]

Hi @zmansuri 

I just tested and works

If(
    !IsBlank(Dropdown1.Selected.Value) && Len(Dropdown1.Selected.Value) > 0,
    Dropdown1.Selected,
    {Value: ""}
)

Choice field expects Value : {}