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DbDataRecord.GetBytes Method

Returns the value of the specified column as a byte array.

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

public abstract long GetBytes(
	int i,
	long dataIndex,
	byte[] buffer,
	int bufferIndex,
	int length


Type: System.Int32
The zero-based column ordinal.
Type: System.Int64
The index within the field from which to start the read operation.
Type: System.Byte[]
The buffer into which to read the stream of bytes.
Type: System.Int32
The index for buffer to start the read operation.
Type: System.Int32
The number of bytes to read.

Return Value

Type: System.Int64
The value of the specified column.


IDataRecord.GetBytes(Int32, Int64, Byte[], Int32, Int32)

No conversions are performed; therefore the data retrieved must already be a byte array.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.