This
suggests that you catch the WebException and then read e.Response.StatusCode to see if it's a 304.
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Hello
I hope this is the right place for my question.
I'm trying to download files over http. And in order to preserve bandwith etc I use the Last-Modified and If-Modified-Since headers. But when I run the code let! resp = request.AsyncGetResponse() and the server return a 304 Not modified, I get an exception.
I think getting a 304 when I've added the header If-Modified-Since is correct behavior. Any suggestions on what I'm doing wrong and how I should do it?