How to insert multiple rows of datagridview in Windows form

using (con = new SqlCeConnection(Properties.Settings.Default.DataConnectionString))
{ 		
 con.Open(); 		// open the DB Connection
 using (SqlCeDataAdapter cmd = new SqlCeDataAdapter("SELECT * FROM Animals", c)) //Cerate the dataAdopter
  { 		     	    
    DataTable dt = new DataTable();
  cmd.Fill(dt); 		
      dataGridView.DataSource = dt; 		
   } 	    
}