How to log all the operations performed in the SQL Server Database

Hi,

       Today my client has asked me to do Data Base Log,that is if any change done like,Insert or Edit or delete that has to be viewable in Log Report,if somebody did even a Small change that also has to be keep track and has to display in Log Report,like the recent activity is so and so and so and so person has done this.Please reply me as soon as possible.Thanks in advance.