Currently working with Syncfusion ASP .Net controls 11.3040.0.30 and IE 11.0.9600.
Grid grouping control does nothing when attempting to sort columns. Works fine on IE 9, 10, FF, Chrome.
<div style="clear:both;margin-top:0px;margin-left:auto;margin-right:auto;width:800px;">
<syncfusion:GridGroupingControl
OnInit="dGrid_Init" ID="dGrid" PageSize="15" DataSourceCachingMode="Session"
ShowSearchBox="true" ShowGroupDropArea="true" runat="server" Width="100%" TabIndex="2"
AutoSaveChildControlChanges="True" BorderCollapse="Separate" ClientObjectID="__essentialGrid" DragSelectionBackColor="Yellow"
EnableCallbacks="true" ShowWaitingPopupOnPostBack="false" Autoformat="Office 2007 Silver"
>
<TableDescriptor AllowNew="false" AllowEdit="false" AllowFilter="true" AllowRemove="false">
<TableOptions AllowDragColumns="true" AllowSortColumns="true" AllowMultiColumnSort="true" />
</TableDescriptor>
<TopLevelGroupOptions ShowFilterBar="false" />
</syncfusion:GridGroupingControl>
<Syncfusion:GridPager ID="dGridPager" PagingControlID="dGrid" runat="server" PageSize="15" Skin="Office2007Silver">
<PagerItems>
<Syncfusion:NextPreviousGridPagerItem ShowFirstPageButton="true" ShowPreviousPageButton="true"
ShowLastPageButton="False" ShowNextPageButton="false" />
<Syncfusion:NumericGridPagerItem ButtonCount="7" />
<Syncfusion:NextPreviousGridPagerItem ShowFirstPageButton="false" ShowPreviousPageButton="false"
ShowLastPageButton="true" ShowNextPageButton="true" />
</PagerItems>
</Syncfusion:GridPager>
</div>
protected void dGrid_Init(object sender, EventArgs e)
{
//do nothing here
}