Read(Char[],Int32,Int32) Method

Reads data into the application provided and advances the current position of the object.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overloads Function Read( _
   ByVal buffer() As Char, _
   ByVal offset As Integer, _
   ByVal count As Integer _
) As Integer

'Usage
 
Dim instance As TdClob
Dim buffer() As Char
Dim offset As Integer
Dim count As Integer
Dim value As Integer
 
value = instance.Read(buffer, offset, count)

public int Read( 
   char[] buffer,
   int offset,
   int count
)

public:
int Read( 
   array<char>^ buffer,
   int offset,
   int count
)

Parameters

buffer: Character array to read data into.
offset: The location within the buffer to read data into.
count: Number of characters to read into the buffer.

Return Value

Returns the number of characters read from the Advanced SQL Engine and written into the . The number will be equal or less than .

Exceptions

Exception	Description
System.ArgumentNullException	buffer is null.
System.ArgumentOutOfRangeException	count or offset is negative, or the sum of offset and count is larger than the buffer length.
System.InvalidOperationException	The `TdClob` is null or TdConnection is closed.
System.ObjectDisposedException	The `TdClob` 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 CLOB from the Advanced SQL Engine and transfers the data read into the application provided .

Requirements

Product	Versions	Platforms
.NET	2.1, 3.1, 6	Windows, Linux, MacOS
.NET Framework	4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8	Windows
.NET Standard	2.0	Windows, Linux, MacOS

Reference

TdClob Class
TdClob Members
Overload List