Read(Int32) Method

Returns a Byte array and advances the current position of the TdStream.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overloads Function Read( _
   ByVal count As Integer _
) As Byte()

'Usage
 
Dim instance As TdBlob
Dim count As Integer
Dim value() As Byte
 
value = instance.Read(count)

public byte[] Read( 
   int count
)

public:
array<byte>^ Read( 
   int count
)

Parameters

count: Number of bytes to read from the BLOB.

Return Value

Returns a byte array having a maximum of bytes containing the data read from the BLOB.

Exceptions

Exception	Description
System.InvalidOperationException	The `TdBlob` is null, or the TdConnection is closed.
System.ObjectDisposedException	The `TdBlob` or the TdStream is closed / disposed.
TdException	The Advanced SQL Engine returned an error, or the .NET Data Provider for Teradata detected an error.

Remarks

The .NET Data Provider for Teradata reads the BLOB field into a byte array whose size is equal to or less than . If the byte array size is less , then the end of the BLOB is reached. The current position of the TdStream is also advanced.

Requirements

Target Platforms: Windows 8.1, Windows 10, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019

Reference

TdBlob Class
TdBlob Members
Overload List