When is the best place to use Task.Result instead of awaiting Task

Question

Whilst I\'ve been using async code in .NET for a while, I\'ve only recently started to research it and understand what\'s going on. I\'ve just been going through my code an

Answer 1

Have you considered this version?

var userTask = _userRepo.GetByUsername(User.Identity.Name);

//Some work that doesn't rely on the user object

user = await _userRepo.UpdateLastAccessed(await userTask, DateTime.Now);

return user;

This will execute the "work" while the user is retrieved, but it also has all the advantages of await that are described in Await on a completed task same as task.Result?

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As suggested you can also use a more explicit version to be able to inspect the result of the call in the debugger.

var userTask = _userRepo.GetByUsername(User.Identity.Name);

//Some work that doesn't rely on the user object

user = await userTask;
user = await _userRepo.UpdateLastAccessed(user, DateTime.Now);

return user;