What is [BindNever]?
PICTURE THIS: DJANGO MVT
Simple meaning
It blocks a property from binding, reducing overposting.
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 blocks a property
from binding, reducing overposting.
- 2Sensitive fields like IsAdmin
must never bind from forms.
- 3Dedicated input models are
even safer.
- 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 blocks a property from binding, reducing overposting. Sensitive fields like IsAdmin must never bind from forms.