MVC 2.0 TempData Expiration?

Jul 3, 2010

What happens in Asp.Net MVC 2.0, when next request does not come ever to retrieve value from TempData. Is it stored permanently or expires?

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Jul 29, 2010

tempdata variables works like a session variables?

basically i want to do is to when the form loads for the first time the variables should be empty. but the variable should be persisted until i am on that form.

the form contains searching with a submit button as well as the paging . basically my ques is to use what approach should i use?

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MVC: TempData, Once Read Do I Need To Resave

Jan 20, 2010

i am using TempData to store the referrer for a website and via jquery i am issueing ajax calls to send emails ... I use tempdata to recover the original referrer URL.

It works great on the first read but then the second its empty.... I think this is by design... so i decided to try viewdata but this is stored but when read via the controller on an ajax call it is empty..

Does anyone know what my options are?

Here is the syntax of both lines

TempData["referrer"] = referrer; // WORKS great on first read and then is NULL
ViewData["referrer"] = referrer; // IS STORED but on first read is NULL

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Feb 21, 2010

I have a method, which fill TempData:

[Code]....

so, I redirected to referrerUrl ([URL] then I even go to page: [URl] (Ideas method does not have any actions with TempData) and then go to [URL]

[Code]....

and it goes to selected by "GO TO HERE!!!" with value [URL]

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Use TempData With Response.Redirect?

May 21, 2010

I am working with ASP.net MVC 2 framework, for multiple sites. We have a base site and then sub sites that inherit from a "Core" site that contains 90% of the functionality that the sub sites will use.

In one of the controllers, I am saving some data, adding a UI message to the tempData and then using Response.Redirect.

The redirect works, but the tempdata is empty after the redirect.

I have tried returning "RedirectToAction" and "RedirectToRoute" with the same routing location and while it populates the TempData, the redirect doesn't happen lol..

So I guess in short, is there a way to get tempdata working when using a standard Response.Redirect?

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Jun 11, 2010

I was under the impression that TempData was only persisted across one action but I am seem to be seeing the behaviour that it is persisted across one action only on the same controller.For example in a single controller if I do the following in my Event Controller,

TempData("test") = "Moo"

And then after displaying a view I then move to a new action (either by a GET or POST or redirect) I can read back the data,

TempData("test") = "Moo"

If I then move on to another action (either by a GET or POST or redirect) and check for TempData("test") I should get Nothing.However I have just tried this with two controllers and I get a very bizarre problem.For example on my first Controller, called Event Controller I set the TempData("test") = "Moo".I then move to an action on a second controller called Main Controller. I read back TempData("test") and find "Moo" as the result which is to be expected. I then perform some sort of task and a new GET, POST or Redirect request is made back to the Event Controller.

At this point I am expecting TempData("test") to be nothing, since I have already passed it to an action once already. However when I test this I am actually getting TempData("test") = "Moo" which I thought was not the expected behaviour, since in effect it would be like using Session("test) instead.

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Jul 2, 2010

I don't know if the following is possible or not but in brief, here is what I'm trying to achieve:

1. When a user requests to view a document, they click on a link (could be other) which contains an encrypted query string containing data required to retrieve the relevant document. i.e.[URL]

2. I want to ensure that if after x minutes the user goes back to their history and select the link again or re-type the same url as above that it will not request the document and redirect them to a page letting them know that the requested document "link" is no longer valid.

I don't want to rely on cookies or sessions, so thought that maybe there would be a way to add a datetime token at the end of the existing url but this needs to be done at run-time as the url is already predefined when the link is created, so I'm not sure how can I do this?

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