private static string GenerateBase64BlockID(long seqNo)
{
// 9 bytes needed since base64 encoding requires 6 bits per character (6*12 = 8*9)
byte[] tempArray = new byte[9];
for (int m = 0; m < 9; m++)
{
tempArray[8 - m] = (byte)((seqNo >> (8 * m)) & 0xFF);
}
Convert.ToBase64String(tempArray);
return Convert.ToBase64String(tempArray);
}