how to update gridview radiobutton data into into database

Hi guys 

 

I have four columns in my gridview  1. Radio Button 2. name .3 Surname 4. Amount and also submit button. on my database Radio button is int, nvarchar,nvarchar, float. Radio Button is default to Zero

 

If I checked  radio button and click submit button it must update int from 0 to 1 or -1. in short how to update radio button from 0 to 1  into database i'm using Sql Server 

 

N:B this is web application

 

Thanks in advance