Writing Data to CSV file from Dyanamics AX

Here is a code to write date from Microsoft Dyanics Ax to comma separated file(.csv).

static void AX2CSV(Args _args)
{
    CommaTextIO file;
    container line;
    InventTable invenTable;
    #define.filename('u:\\items.CSV')
    #File
    ;
    file = new CommaTextIO(#filename, #io_write);
    if (!file || file.status() != IO_Status::Ok)
    {
        throw error("File cannot be opened.");
    }
    file.outFieldDelimiter(';'); // for semicolon seperator and default field delimitter is ,(comma)
    while select invenTable
    {
        line = [invenTable.ItemId,invenTable.ItemName,invenTable.ItemGroupId];
        file.writeExp(line);
    }
}