Store check box value as bit in DB
ClassRegInfo order1 = new ClassRegInfo
    {
        classID = classID.Text,
        ObtainedPermission = Convert.ToByte(obtainedPermission.Checked)}

Cannot implicitly convert type byte to bool

ClassRegInfo order1 = new ClassRegInfo
{
        classID = classID.Text,
        ObtainedPermission = obtainedPermission.Checked
}