GetBytes Method

DbDataReader.GetBytes Method (Int32, Int64, Byte(), Int32, Int32)

 

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)

Public MustOverride Function GetBytes (
	ordinal As Integer,
	dataOffset As Long,
	buffer As Byte(),
	bufferOffset As Integer,
	length As Integer
) As Long

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.

Exception Condition
InvalidCastException

The specified cast is not valid.

Universal Windows Platform
Available since 10
.NET Framework
Available since 2.0
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