Found the following (from 2014!!) after banging my head against the wall for 3×4 hours …. in 2 projects. This explains a lot and I am not sure that all developers are aware of this deadlock? Or am I the only one? 🙂 So back to work!!
https://forums.xamarin.com/discussion/17086/httpclient-postasync-doesnt-work-when-awaited
—— FORUM POST BEGINS ———
Ok, discovered the answer the hard way after 2 days of tracing and breakpointing. In a nutshell, you can’t call an asynchronous method
await asyncmethod2()
from a method that blocks
method1().Result
as it causes a deadlock to occur when method2 attempts to return execution to the caller.
—— FORUM POST ENDS ———
… and so, I decided to refresh my Task thinking with this excellent beginners guide to threading in c#. Good stuff.
https://www.pluralsight.com/guides/understand-control-flow-async-await
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