Mandatory Step in Multistep Form

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Posted on by htorresb

I created a multistep form with 5 steps. Step # 3 contains a SubGrid to insert data on a child table.

How can I make this step mandatory to prevent users from skipping it?

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Design & build

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Fubar 8,338 Super User 2025 Season 2 on at

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If all you need to check is that there is at least 1 record in the subgrid, the easiest way is to add a custom validation in JQuery/JavaScript and in it look for a table row in the subgrid. However, you may also want to disable the Next button until after the subgrid has loaded (as it completes its load after document.ready).

For pushing a custom validator on the Validator object see this example: https://learn.microsoft.com/en-us/power-pages/configure/add-custom-javascript#additional-client-side-field-validation

For detecting when the grid has loaded it it gives a "loaded" event and will be similar to the List code: https://learn.microsoft.com/en-us/power-pages/configure/add-custom-javascript-list , this link is someone counting subgrid rows on loaded https://powerusers.microsoft.com/t5/Power-Apps-Portals/Count-number-of-rows-in-subgrid-and-update-text-field-with-that/td-p/1345421

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htorresb 4 on at

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@Fubar Thank you! I'll give it a try.

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oliver.rodrigues 9,368 Most Valuable Professional on at

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Please note that you might face an issue about Page_Validators not being defined if all you have in your step is the subgrid.

If you face this issue, all you need to do is add a regular field in the form (like the name field), and you can hide it via JS.

I mention that somewhere in this video: https://www.youtube.com/watch?v=7S0-Uxe7mrI&pp=ygUhb2xpdmVyIHplcm8gdG8gaGVybyB2aWN0b3IgZGFudGFz

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