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

Definition

Reads a stream of bytes from the specified column offset into the buffer as an array, starting at the given buffer offset.

public:
 long GetBytes(int i, long fieldOffset, cli::array <System::Byte> ^ buffer, int bufferoffset, int length);
public long GetBytes (int i, long fieldOffset, byte[] buffer, int bufferoffset, int length);
abstract member GetBytes : int * int64 * byte[] * int * int -> int64
Public Function GetBytes (i As Integer, fieldOffset As Long, buffer As Byte(), bufferoffset As Integer, length As Integer) As Long
Parameters
i
Int32 Int32 Int32 Int32

The zero-based column ordinal.

fieldOffset
Int64 Int64 Int64 Int64

The index within the field from which to start the read operation.

buffer
Byte[]

The buffer into which to read the stream of bytes.

bufferoffset
Int32 Int32 Int32 Int32

The index for buffer to start the read operation.

length
Int32 Int32 Int32 Int32

The number of bytes to read.

Returns

The actual number of bytes read.

Exceptions

Remarks

GetBytes returns the number of available bytes in the field. Frequently this is the exact length of the field. However, the number returned may be less than the true length of the field if GetBytes has already been used to obtain bytes from the field.

If you pass a buffer that is null, GetBytes returns the length of the row in bytes.

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

Applies to