handlePageSizeChange = size => {
        let query = Object.assign({}, this.state.productConfigsQuery);
        query.size = size;
        this.loadData(query);
    };


    loadData = (query) => {
        axios.post('/api/availableProducts/find', query).then(response => {
            this.setState({
                productConfigs: response.data,
                productConfigsQuery: query
            });
        });
    }

 <TableBody>
                            {data.items.map(item => {
                                return <EnhancedTableRow
                                    tableConfiguration={tableConfiguration}
                                    handleShowItem={onShowItem}
                                    handlePageChange={onPageChange}
                                    handleDeleteItem={onDeleteItem}
                                    handlePageSizechange={onPageSizeChange}
                                    item={item}
                                    query={query}
                                    isSelected={this.isSelected}/>;
                            })}
                            {emptyRows > 0 && (
                                <TableRow style={{height: 49 * emptyRows}}>
                                    <TableCell colSpan={6}/>
                                </TableRow>
                            )}
                        </TableBody>