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DbDataReader.GetBytes Method

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

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

abstract GetBytes : 
        ordinal:int * 
        dataOffset:int64 * 
        buffer:byte[] * 
        bufferOffset:int * 
        length:int -> int64

Parameters

ordinal
Type: System.Int32

The zero-based column ordinal.

dataOffset
Type: System.Int64

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

buffer
Type: System.Byte[]

The buffer into which to copy the data.

bufferOffset
Type: System.Int32

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

length
Type: System.Int32

The maximum number of characters to read.

Return Value

Type: System.Int64
The actual number of bytes read.

Implements

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

ExceptionCondition
InvalidCastException

The specified cast is not valid.

.NET Framework

Supported in: 4.6, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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