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copied!<p>I recommend you read my <a href="http://blog.stephencleary.com/2012/02/async-and-await.html" rel="nofollow"><code>async</code> intro</a> post.</p> <blockquote> <p>I just want to know if this is the right way to call Save method asynchronously?</p> </blockquote> <p>If this were a UI application, <code>await Task.Run</code> would be acceptable but not ideal. However, since this is an ASP.NET application, <code>await Task.Run</code> is not good at all.</p> <p>On the server side, you should avoid <code>Task.Run</code> or anything else that queues work to the thread pool.</p> <blockquote> <p>Should I also add async on my save method?</p> </blockquote> <p>A method should only be <code>async</code> if it uses the <code>await</code> keyword.</p> <p>If your database supports asynchronous methods (e.g., <a href="http://msdn.microsoft.com/en-us/data/jj819165.aspx" rel="nofollow">EF6</a>), then you can use those in your <code>Save</code> method, which would require it to be marked <code>async</code> (and should be returning <code>Task</code>). Then you could call it as such:</p> <pre><code>private async Task SaveAsync(HttpRequestMessage request); protected async override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) { var response = await base.SendAsync(request, cancellationToken); await SaveAsync(request); return response; } </code></pre> <p>However, if your database does not support <code>async</code>, then you should just call it synchronously:</p> <pre><code>private void Save(HttpRequestMessage request); protected async override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) { var response = await base.SendAsync(request, cancellationToken); Save(request); return response; } </code></pre>

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