What is the role of a controller in MVC?
PICTURE THIS: HOW TO EXPLAIN IT
Simple meaning
It receives the request, talks to services, and chooses a result like a view or redirect.
WHY — MVC instead of guessing?
Why interviewers care about MVC:
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 receives the request,
talks to services, and chooses a result like a view or redirect.
- 2Why it exists
I keep controllers thin.
- 3How it works
Business rules live outside actions.
- 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 receives the request, talks to services, and chooses a result like a view or redirect. I keep controllers thin.