Where is tempdata stored

This is useful for one-time messages, such as form validation errors. The important thing to take note of there is that this applies to the next request in the session, so that request can potentially happen in a different browser window or tab. This is the part that came back to bite me. By default, TempData is stored in the session. Yes, the session! These modes require that all objects stored in session be serializable. This is exactly what I did, and without knowing that TempData used the session, it was non-obvious why I started seeing session errors.

Not much to see there. It simply defines the methods of saving and loading the dictionary. When loading the dictionary out of the session, it explicitly removes it afterwards to make sure only one request gets access to it:. The controller object has a public property for the TempData provider which that uses the session provider by default:. First, you can see that the class is marked as being serializable, so that it can properly be put into session:. Keep coding!!

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Web Services. Data Access. Net Framework. Windows Forms. So it is stored on the server InProc is the default. But you could define other ASP. You could also write a custom TempData provider and handle the storage yourself if you don't want to use the ASP. NET Session. It is stored in session storage, but there is one crucial difference between TempData and Session :. A scenario that fits the usage of TempData , is when data needs to persist between two requests — a redirect scenario.

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Create a free Team What is Teams? Collectives on Stack Overflow. TempDataDictionary has two methods, Load and Save; the Load method loads the specified controller context using the specified data provider. The Save method saves the specified controller context using the specified data provider.

Conclusion This article helps to learn all about the TempData. Next Recommended Reading. Windows 10 Vs Windows Visual Studio Vs Visual Studio Understanding Matplotlib With Examples.

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