Writing
C# 8 - Async Streams
Async streams let callers process database rows before the full result exists. An async iterator combines await and yield return, keeping its reader open during enumeration.
Topic
Asynchronous I/O
Waiting for files, databases, or network operations without keeping a caller thread blocked for the duration.
3 pages
Writing
Async-Await in C#
Asynchronous I/O frees server threads during waits and can improve capacity under load. IIS request flow, Task.WhenAll, and load tests show where the benefit ends.
Writing
HttpWebRequest - Asynchronous Programming Model/Task.Factory.FromAsyc
HttpWebRequest callbacks and Task.Factory.FromAsync support asynchronous GET and POST calls, with five approaches compared for collecting concurrent responses.