Answer
ViewData / ViewBag: For same-request data.
TempData: Stores data across redirects and is removed after read. Backed by cookies or session.
Quick Answer
TempData stores data for the next request only — redirected data. Set before redirect: TempData["Message"] = "Saved!"; read after redirect. TempData uses cookie or session storage behind the scenes. ViewData: dictionary for current request, controller → view. ViewBag: dynamic version of ViewData. Neither survives a redirect.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ