The Complete Guide to ASP.NET Core MVC (.NET 5) - Validations for Summary

The video tutorial explains how to add validations to input fields in an application, focusing on order header details like phone number, street address, city, state, and postal code. It guides through updating the model state, adding a migration, and updating the database using the NuGet package manager. Finally, it demonstrates running the project to test the validations, ensuring that orders can be placed successfully using Stripe, with special conditions for authorized company users.

What is the significance of hitting F-12 on the postal code?

What should be verified after running the project according to the text?