Fore & Back color in DGV using csharp in windows application

Question

 Output as follows in Data Grid View in Windows Application using c sharp;


 Date   Session   RK     Mk      CK   Gk  VK  CMK  CNN  UNNi  VB  GS  CM  JN  CA

 1/7/12  1          REO Tasco  AFF
 1/7/12  2          REO Tasco  AFF
 1/7/12  3          REO Tasco  AFF
 1/7/12  4          REO Tasco  AFF

 1/8/12  1         REO Tasco  AFF
 1/8/12  2         REO Tasco  AFF
 1/8/12  3         REO Tasco  AFF
 1/8/12  4         REO Tasco  AFF

from the output  in Data Grid View

fore color has light blue and back ground color as Sky Blue in 1/7/12 date
fore color has light brownand back ground color as purple   in 1/8/12 date


for 1/7/12 1to 4 session give fore color and background color different.
for 1/8/12 1to 4 session give fore color and background color different.