SqlBulkCopy.WriteToServerAsync Method (DataTable, CancellationToken)
The asynchronous version of WriteToServer, which copies all rows in the supplied DataTable to a destination table specified by the DestinationTableName property of the SqlBulkCopy object.
The cancellation token can be used to request that the operation be abandoned before the command timeout elapses. Exceptions will be reported via the returned Task object.
Assembly: System.Data (in System.Data.dll)
Public Function WriteToServerAsync ( table As DataTable, cancellationToken As CancellationToken ) As Task
Parameters
- table
-
Type:
System.Data.DataTable
A DataTable whose rows will be copied to the destination table.
- cancellationToken
-
Type:
System.Threading.CancellationToken
The cancellation instruction. A None value in this parameter makes this method equivalent to WriteToServerAsync.
| Exception | Condition |
|---|---|
| InvalidOperationException | Calling WriteToServerAsync multiple times for the same instance before task completion. Calling WriteToServerAsync and WriteToServer for the same instance before task completion. The connection drops or is closed during WriteToServerAsync execution. Returned in the task object, the SqlBulkCopy object was closed during the method execution. Returned in the task object, there was a connection pool timeout. Returned in the task object, the SqlConnection object is closed before method execution. Context Connection=true is specified in the connection string. |
| SqlException | Returned in the task object, any error returned by SQL Server that occurred while opening the connection. |
For more information about asynchronous programming in the .NET Framework Data Provider for SQL Server, see Asynchronous Programming.
Available since 4.5