Append(byte[ ], int, int)
This instance method appends data from the supplied byte array buffer to the end of the current OracleBlob instance.
Declaration
// C#
public void Append(byte[] buffer, int offset, int count);Parameters
-
buffer
An array of bytes.
-
offset
The zero-based byte offset in the buffer from which data is read.
-
count
The number of bytes to be appended.
Exceptions
ObjectDisposedException - The object is already disposed.
InvalidOperationException - The OracleConnection is not open or has been closed during the lifetime of the object.
Example
// C#
using System;
using Oracle.DataAccess.Client;
using Oracle.DataAccess.Types;
class AppendSample
{
static void Main()
{
string constr = "User Id=scott;Password=tiger;Data Source=oracle";
OracleConnection con = new OracleConnection(constr);
con.Open();
OracleBlob blob = new OracleBlob(con);
// Append 2 bytes {4, 5} to the OracleBlob
byte[] buffer = new byte[3] {4, 5, 6};
blob.Append(buffer, 0, 2);
byte[] appendBuffer = blob.Value;
// Prints "appendBuffer = 45"
Console.Write("appendBuffer = ");
for(int index = 0; index < appendBuffer.Length; index++)
{
Console.Write(appendBuffer[index]);
}
Console.WriteLine();
blob.Close();
blob.Dispose();
con.Close();
con.Dispose();
}
}