The Complete Guide to ASP.NET Core MVC (.NET 5) - Edit Post Handler

The video tutorial covers the implementation of a post handler in a web application, focusing on validating model states and updating book details in a database. It addresses common errors such as null object references and demonstrates debugging techniques. The importance of including an ID in hidden fields for successful updates is emphasized. The tutorial concludes with a brief mention of the next steps, which involve working on delete functionality.

What is the purpose of the post handler in the book editing process?

Explain how to check if the model state is valid during the book update.

What steps should be taken if the model state is not valid after attempting to update a book?

What common error message might occur when trying to edit a book, and what does it indicate?

Describe the importance of including the ID property in the edit form.