Running a script just from the server using asp.net

Question

I have a site that I'm working on. Say I need something to run every... say... 30 minutes, how would I get just a simple thing to run like that?

EDIT

I'll be hosting this online with another company. This is why I am not making it as a separate scheduled program.

First I would say a website is not a right choice to run periodic background jobs use a windows service. If you still want to use a web site for this purpose, start a thread in the application_start event handler of Global.asax which goes to sleep for every 30 mins and then invokes some code — Chandu
– Chandu, Commented Aug 4, 2011 at 21:59
@Cybernate, it isn't just for anything, the site is an actual site ;) sorry about the vagueness. Post this as an answer I guess :) — Freesnöw
– Freesnöw, Commented Aug 4, 2011 at 22:01
If you want to do something periodically - you can consider that executed as a scheduled task - support.microsoft.com/kb/308569. — Ashish Gupta
– Ashish Gupta, Commented Aug 4, 2011 at 22:02
@ydobonmai, say I need to change a database value or something. — Freesnöw
– Freesnöw, Commented Aug 4, 2011 at 22:02

Mark Cidade · Accepted Answer · 2011-08-04 22:01:59Z

4

If you need a process to be run at pre-defined intervals you might be better off using the windows task scheduler, or to create a windows service with a timer. ASP.NET applications aren't ideal for doing this sort of thing, since they are vulnerable to restarts and so you can't guarantee that the process will run at the given interval.

answered Aug 4, 2011 at 22:01

Mark Cidade

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Digbyswift · Accepted Answer · 2011-08-04 22:05:58Z

2

Windows scheduled tasks and services are ideal for this but if you want to run database queries at specified times then I would suggest using SQL Server Agent if you have access to this.

answered Aug 4, 2011 at 22:05

Digbyswift

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mikemanne · Accepted Answer · 2011-08-04 22:18:02Z

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I don't know of any way to reliably do this using ASP.NET. My understanding is: after a certain period of inactivity, IIS will unload your website/webspp from memory. If that happens, your periodic job very likely won't execute, regardless of what technique you used to configure it.

You could, of course, set up some kind of automated system on your own, which occasionally pings your site to keep it from being unloaded. But if you're doing that anyway, well you could just set it up to do the desired operation at the desired interval. :)

answered Aug 4, 2011 at 22:18

mikemanne

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mikemanne Over a year ago

"...a worker process will shut down after a specified period of inactivity. The default value for idle time-out is 20 minutes." technet.microsoft.com/en-us/library/cc771956%28WS.10%29.aspx

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