how changes can be done in database based on checkboxvalue and data in datagridview

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VB

First I have taken chekbox with years-2010,2011,2012
Datagridview with months(desc,jan,feb....dec),desc as primary key
1)I want to insert year into database based on checkbox selection(i.e,I am not taking year in gridview).
2)If I am doing changes in perticularrow,that perticular year having that month only has to reflect,how it is possible???

in my code i have used

Dim cb As New SqlCommandBuilder(adp)

adp.Update(ds, "Prof_fees")

for data to be update in database,but problem is with year...

Plz help me in this regard,if possible plz provide sample code.

Thanks in advance……