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Do I need to dispose HttpResponseMessage?
The safest, general advice would be to always dispose of the HttpResponseMessage once you have finished with using it. This does lead to a little more code noise but ensures that regardless of the internals and any future changes, your code will free/clean up unused resources such as connections as quickly as possible.
Should I dispose StringContent?
If you are using, say, StringContent, it does not need to be disposed anyway and therefore the message does not need to be disposed.
Can HttpResponseMessage be null?
Content is non-nullable in NET5.
Is it necessary to dispose of an httpclient instance?
Disposal of the client isn’t required. Disposal cancels outgoing requests and guarantees the given HttpClient instance can’t be used after calling Dispose. IHttpClientFactory tracks and disposes resources used by HttpClient instances.
Is the httpclient.dispose call dangerous in.net core?
So, the call of the HttpClient.Dispose does nothing. But it’s not dangerous. No. You should not dispose of your client. To be more general, you should not dispose of anything retrieved via a DI container, which in ASP.NET Core is by default the service collection.
What happens to httpclient instances created by ihttpclientfactory?
Disposal cancels outgoing requests and guarantees the given HttpClient instance can’t be used after calling Dispose. IHttpClientFactory tracks and disposes resources used by HttpClient instances. The HttpClient instances can generally be treated as .NET objects not requiring disposal.
Can you dispose of a client in ASP.NET Core?
You should not dispose of your client. To be more general, you should not dispose of anything retrieved via a DI container, which in ASP.NET Core is by default the service collection. The lifetime is managed by the DI container, so if you dispose of the client, but it’s later injected into something, you’ll get an ObjectDisposedException.