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# NpgsqlCopyIn.Start Method

Command specified upon creation is executed as a non-query. If CopyStream is set upon creation, it will be flushed to server as copy data, and operation will be finished immediately. Otherwise the CopyStream member can be used for writing copy data to server and operation finished with a call to End() or Cancel().

[Visual Basic]
Public Sub Start()
[C#]
public void Start();

#### See Also

NpgsqlCopyIn Class | Npgsql Namespace