When would you use Session in MVC?
PICTURE THIS: DATABASE INDEX
Simple meaning
Session stores per-user data across requests on the server.
WHY — State instead of guessing?
Why interviewers care about State:
on State.
the situation, the default choice, and one exception - that reads as experience.
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:
- 1Session stores per-user data
across requests on the server.
- 2It is heavier than
TempData and can hurt scale if in-process.
- 3I keep it small:
a user id or a wizard step, not a whole cart if I can use a database.
- 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
Session stores per-user data across requests on the server. It is heavier than TempData and can hurt scale if in-process.