Fix | Fix blocked Cancel()
method when executing Async APIs
#973
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Locks should not be needed in SqlCommand Async APIs - as they simply block Cancel method from execution.
More details in issue #44 discussions.
The test "SqlCommandCancelTest.AsyncCancelDoesNotWait" did not reproduce this error as it used WAITFOR DELAY. Modifying query to a continuous while loop reproduces error.
WIP - Validate fix.