how to save the datagridview checkbox value save it into the database using csharp

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C#

i have datagridview in windows application.
having check box column in each row
and is filled with data.

I want to save those data rows which is checked into the database.


How can i do using csharp.


My run mode screen in datagridview as follows;

Days sess1 sess2

1 checkboxchecked checkboxchecked
2 checkboxunchecked checkboxunchecked
3 checkboxchecked checkboxchecked
4 checkboxchecked checkboxchecked


from my above run mode screen i want to save only checkboxchecked those data to be saved in the database.

for that how can i do using csharp

Please help me.

Regards,
Narasiman P.