data(){
            return{
                columns: [ 'id', 'name','birth','year','number'],
                rows:[],
                options: {
                    filterByColumn: true,
                    perPage:2,
                    texts: {
                        filter: "Filtrar:",
                        filterBy: 'Filtrar por {column}',
                        count:' '
                    },
                    dateColumns:['birth'],
                    dateFormat: 'YYYY-MM-DD',
                    datepickerOptions: {
                        showDropdowns: true,
                        autoUpdateInput: true,
                    },
                    pagination: { chunk:10,dropdown:false },
                    filterable:['name','birth','year'],
                    headings: {
                        name: 'Student Name',
                        year: 'Year in School',
                        number: 'Number ID',
                        id: 'ID',
                      },
                }
            }

        }