year:2017 Month:Nov NAME day1 day2 day3.........day31 monthtotal 1.ajith 500 100 600 1200

I will suggest you to describe your question/problem clearly At high level, I can answer that you find the duplicates at data level (in backend code), instead of at grid view level

i've found the answer and thanks for reply

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how to count duplicate values in datagridview c# forms

Bharathi Raja

615

year:2017 Month:Nov
NAME day1 day2 day3.........day31 monthtotal
1.ajith 500 100 600 1200

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