Zakaria,
Thank you very much. That is exactly what I was looking for.

Sincerely,
Einar
>Hello Einar,
>
>Excuse me for misunderstaning your message.
>
>>I want to convert from one integer to a byte array and from a byte array to one integer.
>
>Take a look at the BitConverter Class, I found in the MSDN help the following description about it :
>
>

Converts base data types to an array of bytes, and an array of bytes to base data types.

>
>The description resembles a lot whith what you want.
>
>Zakaria al Azhar