How to validate power apps edit form before submit

Power Apps edit form validation is a common development challenge. In this video you will see how to validate a Power Apps edit form values against Data source before submitting the form.

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This video contains:
0:00 Introduction
1:33 Data source vs PowerApps validation
3:09 Setup
5:17 Bringing SharePoint validation rules to PowerApps edit form
8:56 What happens when we disable required field in PowerApps data card
10:25 Understanding the difference between NULL and 0-length string
11:32 PowerApps edit form "Updates" property
16:20 submitting two separate PowerApps edit forms with one button click
25:00 conclusion


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