WebClientProtocol超时发生时会发生什么

We have a client application that has reference to a webservice. We had set the timeout property on the webclientprotocol object to 50 (ms) and wanted to observe what goes on. We tied up a long running webmethod that returns a huge DataSet to the client. When the default value was there, the DataSet was returned properly to the client. When we changed this to 50(ms), we did not observe anything. Our assumption was that there would be some kind of exception that occurs on the client side since the timeout has occurred. Can anyone please explain what is going on hereWe have a client application that has reference