Asked by: Maida Bauerschmitz
asked in category: General Last Updated: 1st February, 2020

What is ContinueWith C#?

The ContinueWith function is a method available on the task that allows executing code after the task has finished execution. In simple words it allows continuation. Things to note here is that ContinueWith also returns one Task. That means you can attach ContinueWith one task returned by this method.

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Correspondingly, what is await keyword in C#?

The await operator suspends evaluation of the enclosing async method until the asynchronous operation represented by its operand completes. When the asynchronous operation completes, the await operator returns the result of the operation, if any.

Subsequently, question is, what is difference between async and await in C#? First, await causes nothing to run, nothing to be "scheduled". The scheduling (if any) and running (if any) are already in progress before you get to the await . await is an "asynchronous wait"; that is, it asynchronously waits for the task to complete. "Asynchronous" here means "without blocking the current thread".

Secondly, does ContinueWith block?

So it does not block. You are doing the right thing. When you invoke Result on a faulted task (and you say this might happen) the exception is rethrown. This causes your continuation to fault with the same exception which causes the final task returned from ReaderForSqlAsync to also be faulted.

What is sync and async in C#?

What are Actually Synchronous/Asynchronous Operations (C# 5.0 Series) Synchronization means two or more operations happen sequentially. Asynchronous means two or more operations are running in different contexts (thread) so that they can run concurrently and do not block each other.

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