how to bind datatable to datagridview in visual c#

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C#

hi
i m working with in visual c#
i want to bind the datagridview runtime with the datatable
i m featching the values from database to datatable
and that table i want to bind with datagridview as per my req.

iwant to do this when my autogenerated property=false;

how can i do that..
eg. i have fatch 2 coloum from database to datatable
billno billcharg
and now i want to display the datagridview as
billno ,billcharge and amount [this is not the field of database].

pls give me the solution on this.....
thanks