juniorASP.NET MVC
What is TempData in ASP.NET MVC?
Updated Apr 28, 2026
Short answer
TempData stores data for the next request.
Deep explanation
TempData uses session internally and is useful for passing data between redirects.
Real-world example
Displaying success messages after redirect.
Common mistakes
- Assuming it persists permanently.
Follow-up questions
- What is session?
- Why TempData?