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Global class in a DLL

Hello,

I have a DLL library containing some web services which are declared in
each .asmx file in the following way:

<%@ WebService Language="C#" Class="LibraryName.WebService" %>

I would like to log every unhandled exception that occurs on any web
service declared in the library to a file. I noticed the global class,
usually inside global.asax has the Application_Error event that can be
used for this.
However, I want to include the Global class in the library DLL, because
it is used for both IIS installations and with a Windows Service that
publishes the web services via soap.tcp connections.
How can I include this Global class in the library so that it is used in
both scenarios?
Thanks in advance for any help given.

Kind regards,
paulo
Oct 19 '06 #1
1 1515
Hello Paulo,

From your description, you want to use the "Global.asax" application_Error
event to capture unhandled exceptions for your webservices, and you also
want to compile the global.asax's codebehind class into the assembly
together with those webservcie classes, correct?

Based on my understanding, the Application_Error event is only used for
ASP.NET web page applications to capture unhandled exceptions. As for
webservice, it has different server-side processhandler and the
global.asax's Application_Error event won't work for webservice
applications. For ASP.NET webservice, you can use a custom SOAPExtension
to inspect any exception info from the SOAP message:

#User Friendly ASP.NET Exception Handling
http://www.codeproject.com/aspnet/AS...df=100&forumid
=94435&exp=0&select=1293419
However, I notice that you said the webservice will be used in a windows
service host also. Are you using some custom webservice hosting component
like WSE for the windows host application? for such component like
Global.asax for SoapExtension, they can only be used in ASP.NET
application host, other out of box host(windows service or winform ...) can
not use them.

BTW, since SOAP Extension can be configured at client side web service
proxy also, if you want to capture exception info at client-side, you can
consider write a SOAP Extension and use it for your webservice's client
proxy.

#SoapExtension Class
http://msdn2.microsoft.com/en-us/lib...rotocols.soape
xtension.aspx

Please feel free to let me know if there is anything I missed or if you
have any other consideration.

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead

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Oct 20 '06 #2

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