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GetStream Method

DbDataReader::GetStream Method

.NET Framework 4.6 and 4.5

Retrieves data as a Stream.

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

virtual Stream^ GetStream(
	int ordinal


Type: System::Int32

Retrieves data as a Stream.

Return Value

Type: System.IO::Stream
The returned object.


The connection drops or is closed during the data retrieval.

The DbDataReader is closed during the data retrieval.

There is no data ready to be read (for example, the first Read hasn't been called, or returned false).

Tried to read a previously-read column in sequential mode.

There was an asynchronous operation in progress. This applies to all Get* methods when running in sequential mode, as they could be called while reading a stream.


Trying to read a column that does not exist.


The returned type was not one of the types below:

  • binary

  • image

  • varbinary

  • udt

GetStream only supports the retrieval of values that can be converted to byte arrays.

For more information, see SqlClient Streaming Support.

.NET Framework

Supported in: 4.6, 4.5
© 2015 Microsoft