How to Handle DatagridView's keydown event during editing of cell on Enter key Press

Dear

       expert can anybody tell me how can i handle  Datagridview's Keydown Event

       after editing cell on Enter key Press.

      my datagridview should be used for user input .some cell r readonly and some

      r user input. my problem is i can't set focus after input one cell & redirect cursor another cell

         [ e.g cell 0 -- go to  cell 4 - cell 7 & again next row start cell 0 ]

    i have seen handling enter as like tab key in other thread but it not solved my problem

      if anybody know how to do please tell

     thank