window.columns = [
    {
        data: 'DT_RowIndex',
        orderable: false,
        searchable: false
    },
    { data: 'check_in' },
    { data: 'check_in_image' },
    { data: 'check_out' },
    { data: 'check_out_image' },
    { data: 'working_time' },
]