A few days ago, I enabled the HTTP/2 protocol version on my blog site, but unexpectedly found that a program I used to grab web pages with WebClient was broken. In fact, I didn’t find that the problem was caused by HTTP/2 at the beginning. It took me a while to realize that the problem might be caused by the difference in HTTP version. In this article, I will share several different HttpClient programming methods, allowing you to use the HTTP/2 protocol version to retrieve web pages on the remote web server.
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This article is transferred from https://blog.miniasp.com/post/2023/01/17/How-to-use-HTTP-Version-2-with-HttpClient
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