Value of Hidden Asp.net checkbox field

I have a asp.net checkbox control inside a grid. From Codebehind I am making that checkbox property visible="false".

On Page Load I am setting this checkbox column checked value as true. But when I click save on a that page and access the value of that checkbox field I am getting the checked value as false. Is it an intended behavior? As I believe we should still get the checked value as true irrespective of the checkbox column's visible property. Any Suggestions would be appreciated