DbDataReader.GetBytes Method

Note: This method is new in the .NET Framework version 2.0.

Reads a stream of bytes from the specified column, starting at location indicated by dataIndex, into the buffer, starting at the location indicated by bufferIndex.

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

Public MustOverride Function GetBytes ( _
	ordinal As Integer, _
	dataOffset As Long, _
	buffer As Byte(), _
	bufferOffset As Integer, _
	length As Integer _
) As Long
Dim instance As DbDataReader
Dim ordinal As Integer
Dim dataOffset As Long
Dim buffer As Byte()
Dim bufferOffset As Integer
Dim length As Integer
Dim returnValue As Long

returnValue = instance.GetBytes(ordinal, dataOffset, buffer, bufferOffset, length)
public abstract long GetBytes (
	int ordinal, 
	long dataOffset, 
	byte[] buffer, 
	int bufferOffset, 
	int length
public abstract function GetBytes (
	ordinal : int, 
	dataOffset : long, 
	buffer : byte[], 
	bufferOffset : int, 
	length : int
) : long



The zero-based column ordinal.


The index within the row from which to begin the read operation.


The buffer into which to copy the data.


The index with the buffer to which the data will be copied.


The maximum number of characters to read.

Return Value

The actual number of bytes read.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0

.NET Compact Framework

Supported in: 2.0