SharePoint Nintex

Nintex Quick Tips: Populate a choice dropdown via Javascript

If you have developed several Sharepoint Nintex forms, you will undoubtedly have used Choice dropdown controls. In one instance the dropdown will display a list of options from a SharePoint List. This is easy enough to do, simply setup the correct filters and you’re almost there.

When more control data is needed, you will most likely make an AJAX call via Javascript to a Web API or Web Service. When this happens, you will need to populate the dropdown with the data stored in the Web API’s response.

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Nintex Quick Tips: Formatting & Validation rules not working

IF you have a form control with either a Formatting or Validation rule (or both) and they are not triggering correctly – It might be due to the referenced control being updated in the Javscript and you are not triggering an On-Change event. Thus any changes made in the Javascript are being broadcast.

When you trigger an On-Change event, the Nintex framework notifies all other controls a change has been made. This will ‘refresh’ the formatting and validation rules that references that changed control.

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Nintex Quick Tips: Hidden People Picker empty on form submission

The Problem

Suppose you have the following:

a. A form with a dropdown linked to a list of approvers for the user to select.

b. When the user selects the approver, you want to populate a hidden people picker control.

c. You attach this people picker control to an site column of type ‘Person’.

d. You then use this site column in your Nintex workflow to assign a Flexi-Task for the approver.

However, if the users are quick enough you may end up submitting your form before the People Picker control is populated successfully. This leaves your field empty and will error out your Nintex Workflow.

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