     </paper-item>
                    </template>
                </paper-listbox>

            </paper-dropdown-menu>
            <div class="columnBox">
                <custom-column-view need="header"></custom-column-view>
                <custom-column-view need="auto"></custom-column-view>
                <br/>
                <template is="dom-repeat" items="{{item.columns}}" as="column">
                    <template is="dom-if" if="{{!isAutoGenerated(column.name)}}">
                        <custo