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WebServices and async methods

P: n/a
I got a problem with a webservice, and a method is called asynchronously
from many client.
I got this exception into the xyzCompleted event:

"There was an error during asynchronous processing. Unique state object is
required for multiple asynchronous simultaneous operations to be

I think this is due to a static hashtable used into the webservice, and I
don't know how to syncronize it :(

Someone told me to use the method overload with the userState parameter, but
I have no idea about how to to it.

Can someone give me some tips?

Thank you
May 10 '06 #1
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