What is Remote validation?
PICTURE THIS: HOW TO EXPLAIN IT
Simple meaning
An attribute calls an action to validate uniqueness like email.
WHY — Validation instead of guessing?
Why interviewers care about Validation:
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:
- 1An attribute calls an
action to validate uniqueness like email.
- 2Why it exists
It needs a GET/POST endpoint.
- 3Server validation still runs
on submit.
- 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
An attribute calls an action to validate uniqueness like email. It needs a GET/POST endpoint.