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Continually Server-Side working progress


I need a soluttion for something like this:
1. User start an action that takes a long time (up to hours) at his browser
2. A script sends a callback to the server, server starts the progress and response to the client
3. The user continue working and when the progress is ready the genereted file will be in his folder

So my question is how can I run a task with ASP.NET and keep it running until it's ready also if sessions etc. are expired or user shut his PC down?


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1 Solution
i would suggest only using the asp.net to invoke/start the process, nothing more.
once the process is done, sent an email to the user.

is this long process can support multiple instances?
typically such app is single-instance. then i suggest use web service configured as single instance to execute the process

your asp.net is just to call that webservice, and forget it.
andre72Author Commented:
This sounds well and one instance is fine as it also need high performance.
So you mean something like:
mythread = new Thread(new ThreadStart(action));

Would be fine?
the web service can be configure single instance and one-way/fire-and-forgot

client code calling should be typical. i don't have much details on this, you need to research abit, but i do aware web service part can be configure as such.
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