The video tutorial covers how to properly delete products and their associated images from a database, ensuring that both the product and its image are removed. It also addresses handling edge cases when creating new products, focusing on model state validation and error handling. The tutorial demonstrates how to manage model state and view rendering, ensuring that necessary data is populated to prevent errors during product updates.

What is the significance of adding an else block when the model state is invalid?

How can validation scripts affect the client-side error handling during product creation?

What common errors do students face when submitting forms in ASP.NET Core, and how can they troubleshoot them?