What does [BindRequired] do?
PICTURE THIS: DJANGO MVT
Simple meaning
It marks a property as required for binding success, separate from [Required] validation messages.
WHY — Model Binding instead of guessing?
Why interviewers care about Model Binding:
people who only read docs from people who shipped.
and tied to .NET MVC work.
Name the idea, why it exists, then one short example.
End with when you use it and one common pitfall.
STEPS — What happens step by step?
Before you speak the answer, walk the interviewer through these steps:
- 1It marks a property
as required for binding success, separate from [Required] validation messages.
- 2Useful for APIs and
forms missing fields.
- 3I still add user-facing
validation attributes.
- 4Give an example
One tiny concrete case you can say aloud.
- 5Common mistake
What juniors usually get wrong.
- 6Close
When you pick this over the alternative.
EXAMPLE — See it in action
Here's a short line you can speak, broken into clear beats:
Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.
Key takeaway
It marks a property as required for binding success, separate from [Required] validation messages. Useful for APIs and forms missing fields.