Hi Teemu, your answer is great. The only one is the Web.Config question. My
question is the reverse-- Sub folder need the httpmodule , but root/other
folders do not. Wondering if asp.net can maintain the httpmodule list
properly in this case.
Any idea ?
"Teemu Keiski" wrote:
[color=blue]
> Hi,
>
> 1. Each instance has its own set of HTTP Modules. HTTP modules are set up so
> that they listen events thrown by HttpApplication
>
> 2. They are reused (created once per HttpApplication)
>
> 3. Settings in web.config are inherited, so if it is a root folder where
> modules are set,subfolder uses the same set, unless overridden in sub-
> web.config
>
> 4. This is determined by Page's IHttpHandler.IsReusable property, which, by
> default, is false (it was once commented by MS guys, that making a class
> which would be reusable in this case, would take extreme care by the
> developer so that it would really be cleared at the end of every request, so
> it really is easier to let it recreate instances.) In case you need
> performance, or it sucks, then develop your own HTTP handler
>
> Good resource:
http://msdn2.microsoft.com/en-US/library/ms178473.aspx
>
> --
> Teemu Keiski
> ASP.NET MVP, AspInsider
> Finland, EU
>
http://blogs.aspadvice.com/joteke
>
> "walter" <wwu@morneausobeco.com> wrote in message
> news:DB19DD96-A83A-4507-BD81-186FEE0AF191@microsoft.com...[color=green]
> > Hi there, I know there is pool of HttpApplications, and for each request
> > coming in, HttpRuntime will dedicate one from pool to serve the request.
> > My
> > questions are :
> > 1. since HttpModule is plug into the process, does each instance of
> > HttpApplication keep its own set of HttpModule instance or HttpModules are
> > shared among all HttpApplication instances?
> >
> > 2. In case of HttpApplication keep its own set of HttpModule, does the
> > HttpModule collection get created for each request or just once and
> > reusable
> > later for all the following request? In the latter case , we need to
> > handle
> > the class level field carefully.
> >
> > 3.When I have a particular web folder which need a additional set of
> > HttpModule, I guess I can add them into the Web.Config within that folder.
> > But is ASP.NET smart enough to remove them when the request is for the
> > other
> > folders?
> >
> > 4. Last one is whether Page object is pooled in ASP.NET. I guess the
> > answer
> > is no.[/color]
>
>
>[/color]
