更改SQL Server 2008中现有表的列顺序/添加新列

I have situation where I need to change the order of the columns/adding new columns for existing Table in SQL Server 2008. It is not allowing me to do without drop and recreate. But that is in production system and having data in that table. I can take backup of the data, and drop the existing table and change the order/add new columns and recreate it, insert the backup data into new table.I have situation where I need to change the ord