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Change Value Based on DropDown

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Posted on by _kikilalaaa

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Hi all.

I have a dropdown column with Items = "Yes/No".

And then, I have another column that accepts number data type only.

All columns are connected to SharePoint as data source.

My problem occur when user choose "No" for the dropdown, the second column should be invisible and the value should be blank. So, I made my coding like this:

Column2.Update = If(HasTargetDropDown.Selected.Value = "Yes", Value(TargetTrainingHour.Text),Blank())

For testing, when i tried to modify the dropdown selection from "Yes" to "No", I observe that the data for dropdown has changed in the sharepoint (whch is correct), but the data for second column doesnt change in the sharepoint.
I think it is because blank are null data type, not number. Is there any solution for this?

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mdevaney 29,991 Moderator on at

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@_kikilalaaa
I've seen a couple blog posts suggesting you must turn on "Formula Level Error Management" in Advanced Settings in order for your code to work. But if that does not work...

My suggestion would be to change your Update property to write 0 instead of blank.

Column2.Update = If(HasTargetDropDown.Selected.Value = "Yes", Value(TargetTrainingHour.Text),0)

Then in SharePoint I would also change the Default value of your TargetTrainingHour column to be 0.

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v-yutliu-msft Microsoft Employee on at

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Hi @_kikilalaaa ,

Do you want to update a number field to blank?
If so, this formula is ok:
Column2.Update = If(HasTargetDropDown.Selected.Value = "Yes", Value(TargetTrainingHour.Text),Blank())

You just need to turn on this setting:

If you turn off this setting, it will not update if your data type is not number (blank value is not number type.)

After turning on this setting, system will not check for data type, then you will be able to update with blank value to number field.

Best regards,

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