Re: Using ATL COM DLL in web-based application (Visual C# and ASP.

From:
"Alexander Nickolov" <agnickolov@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Wed, 18 Apr 2007 11:58:47 -0700
Message-ID:
<OkcOZuegHHA.4704@TK2MSFTNGP06.phx.gbl>
Personally I have zero experience with ASP/ASP.NET. For ASP
I've seen others recommend ThreadingModel=Both

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://vcfaq.mvps.org
=====================================

"John" <John@discussions.microsoft.com> wrote in message
news:2B4D0DA9-F0DC-4356-9A03-79CE8FDFDE1D@microsoft.com...

Hi Alexander,

I would like to use this atl com dll in page_load
event of aspx page.
Details of ATL COM DLL ->Threading Model - Apartment, Interface - Dual
and Aggregation - Yes

Is this atl com dll can work aspx page when multiple users are accessing
this page simultaneously? for ex: 5000 users are accessing this web page
at
00:00:00 am. In this case, Can atl com dll serve to all 5000 users? Do I
need
change this architecture for better performance. I mean, convert atl com
dll
to com+ like that.

Can you please suggest me the best approach to solve this?

What you suggest for this requirement?

Thanks in advance.

--
Thanks & Regards,
John.

"Alexander Nickolov" wrote:

That article is quite old and predates even MTS. Naturally, it talks
about ASP, not ASP.NET.

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://vcfaq.mvps.org
=====================================

"Igor Tandetnik" <itandetnik@mvps.org> wrote in message
news:epWiS5IgHHA.4260@TK2MSFTNGP03.phx.gbl...

"Willy Denoyette [MVP]" <willy.denoyette@telenet.be> wrote in message
news:%23FRb0LDgHHA.4596@TK2MSFTNGP05.phx.gbl

"Igor Tandetnik" <itandetnik@mvps.org> wrote in message
news:%234TnJcReHHA.3960@TK2MSFTNGP02.phx.gbl...

Yes. As far as I know, an ASPX page is processed by a dedicated STA
thread, and your object will happily run on the same thread.


Igor, asp.net processes the request on a thread taken from the MTA
thread pool, unless the page is marked with the AspCompat="True"
attribute, this is a departure from the asp model.


I admit I know very little about ASP. However, that article I quoted (
http://msdn2.microsoft.com/en-us/library/ms951557.aspx ) seems to
suggest
otherwise. It claims that free-threaded objects (those running in MTA)
would be accessed via proxy by the page, while apartment-threaded (STA)
objects are accessed directly. The only way this is possible is if the
page processing runs on STA.
--
With best wishes,
   Igor Tandetnik

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