 id="btDestroyGrid">Destroy Grid</button>
        </div>
        <div style="padding: 4px;" class="toolbar">
            <label>
                <input type="checkbox" onchange="document.querySelector('#myGrid').showToolPanel=this.checked"/>
                Show Tool Panel
            </label>
            <button id="btRefreshDataViaApi">Refresh Data via API</button>
            <button id="btRefreshDataViaElement">Refresh Data via Element</button>
        </div>
        <div style="clear: both;"/>

       