A Gridview has 8 columns like material,contractrate,wtFactor,JanPrice,FebPrice,MarPrice,AVGPrice
Save into database like
material contractrate wtFactor Price
M1 R1 W1 Jan1Price
M1 R1 W1 Feb1Price
M1 R1 W1 Mar1Price
M1 R1 W1 AVG1Price
M2 R2 W2 Jan2Price
M2 R2 W2 Feb2Price
M2 R2 W2 Mar2Price
M2 R2 W2 AVG2Price
Here Gridview Column data like JanPrice,FebPrice,MarPrice,AVGPrice will be save one