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In ASP.NET MVC, there's a TempData which can pass data one time from one page to another. What's the equivalent for this in ASP.NET?
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What is TempData and How to Use in MVC? TempData is used to transfer data from the view to the controller, the controller to the view, or from an action method to another action method of the same or a different controller. TempData temporarily saves data and deletes it automatically after a value is recovered.
TempData. ASP.NET Core exposes the Razor Pages TempData or Controller TempData. This property stores data until it's read in another request. The Keep(String) and Peek(string) methods can be used to examine the data without deletion at the end of the request.
TempData is ideal for short-lived things like displaying validation errors or other messages that we don't need to persist for longer than a single request. Session is ideal choice when we need to persist data for extended periods of time i.e. it is used to store data which is required throughout user session.
In one sentence: TempData are like ViewData with one difference: They only contain data between two successive requests, after that they are destroyed. You can use TempData to pass error messages or something similar.
There is no direct equivalent (that is, data that is only passed to the next page).
You can use Session and clear it out on the receiving page.
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