How to bind Multiple tables to a single GridView?

Question

Hi,

    I have 5 tables in my database and columns are different for each table.I have GridView in my frontend and I want to bind those tables to the GridView by clicking 5 buttons(For each table one buttonclick).

                   Here my problem is,the boundfields are different for all tables.

I am using ASP.NET,C# and SQL Server.

                                 Is it possible to bind multiple tables to the Single GridView?If possible please tell me the Solution..

                    Thanks in advance...