DbDataReader.CloseAsync Method

Definition

Asynchronously closes the DbDataReader object.

public virtual System.Threading.Tasks.Task CloseAsync ();

Returns

A task representing the asynchronous operation.

Remarks

The default implementation of this asynchronous method delegates to its synchronous counterpart and returns a completed Task, potentially blocking the calling thread.

Data providers that support asynchronous programming should override the default implementation using asynchronous I/O operations.

This method stores in the task it returns all non-usage exceptions that the method's synchronous counterpart can throw. If an exception is stored into the returned task, that exception will be thrown when the task is awaited. Usage exceptions, such as ArgumentException, are still thrown synchronously. For the stored exceptions, see the exceptions thrown by Close().

Applies to

Product Versions
.NET Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Standard 2.1