<div data-bind="dxDataGrid: {
                dataSource: rowModal.data,
                height: 450,
                columns: [
                    { caption: 'Category', calculateCellValue: $data.rowModal.calculateCategoryName, allowEditing: false },
                    { caption:'Amount', dataField:'amount', dataType: 'number'},
                    { caption: 'Date', dataField:'date', allowEditing: false }],
                editing: { mode: 'cell',  allowUpdating: true },
                onRowUpdating: $data.rowModal.updateRow,
                showColumnLines: true, showBorders: true}">