RE: "not handled in user code" dialog

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Jeffrey,

I did build a small sample project. How do I get the zip file to you?

Thanks,

Leslie

""Jeffrey Tan[MSFT]"" wrote:

Hi Leslie,

Thanks for your feedback!

Yes, that is. In debugging mode, the VS2005 will popup a Managed Debugging
Assistants dialog for the exception. This dialog will have a line arrow
points to the code that is generating the exception.
Below is some more information regarding MDA feature of VS2005:
http://blogs.msdn.com/jmstall/archive/2005/11/10/introducing_mdas.aspx

If there is no port number follow with http://localhost, then you are using
HTTP and IIS.

Since the main thread unhandled exception will be caught in
Application_Error handler, so I assume your exception comes from another
thread. To determine this, you may first use F10 to start the debugging,
and then use open menu Debug->Windows->Threads in VS2005(or pressing Ctrl +
D, T). In the Threads window, you can remember the main thread ID. Then you
may press F5 to run the application. While the MDA exception dialog pops
up, you may again give the current thread a view in Threads window, then
you can determine if the current exception thread ID is the same as the
original main thread.

Without knowing the background information regarding your Asp.net project,
it is hard for us to figure out why there is an unhandled exception
generated in App_Web_u6bxlmfn.dll in another thread. Is it possible for you
to provide a little sample project to demonstrate this problem?

In this scenario, it is helpful to install the debugging symbols of the
managed assemblies, then in Debug->Windows->Call Stack window, you may find
out the call stack information of this exception. With the call stack, you
may find out if there is any user written code in the call stack causes
this exception.

Microsoft provided a public symbol server for us to download the system
managed symbols: http://msdl.microsoft.com/download/symbols. You may refer
to the article below to find out how to use symbol server in VS2005:
"How to: Use a Symbol Server"
http://msdn2.microsoft.com/en-us/library/b8ttk8zy.aspx

Finally, please feel free to paste the call stack information here. I will
give it a look. Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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