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I have a Nintex form in SP 2016. There is a list lookup field that allows user to select multiple check boxes. However, I only want the user to check only one checkbox. How do I validate that?

 

I want to do the validation within the Nintex form - not using a workflow.

 

Thanks in advance.

 

Mayank

Why not just change the Control from a Drop Down to Option Buttons?

 

That way, only ONE can be selected

Thanks, but I need to make it multiple check box. I found the solution.

 

Add a Validation Rule:

 

length(SystemName) > 1

 

This rule shall fire if the user selects more than 1 item.

I found the solution from the following blog,

https://community.nintex.com/t5/Nintex-for-SharePoint-Forum/Nintex-Form-validation-on-multiple-checkboxes/m-p/43142

 

 

Mayank

Please mark your answer as the solution to your problem

good to hear you solved it

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