DbConnection.OpenAsync Method ()

.NET Framework (current version)

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An asynchronous version of Open, which opens a database connection with the settings specified by the ConnectionString. This method invokes the virtual method OpenAsync with CancellationToken.None.

Namespace:   System.Data.Common
Assembly:  System.Data (in System.Data.dll)

member OpenAsync : unit -> Task

Return Value

Type: System.Threading.Tasks.Task

A task representing the asynchronous operation.

After calling OpenAsync, State must return Connecting until the returned Task is completed. Then, if the connection was successful, State must return Open. If the connection fails, State must return Closed.

A call to Close will attempt to cancel or close the corresponding OpenAsync call.

For more information about asynchronous programming in the .NET Framework Data Provider for SQL Server, see Asynchronous Programming.

Universal Windows Platform
Available since 10
.NET Framework
Available since 4.5
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