I have a grid that renders correctly in IE, pre version 11. It renders substantially correct in document modes other than Edge (native IE11) mode in IE11. I have attached a capture of the grid with mismatched headers and columns as rendered in Edge mode. I have included the fragment of the .aspx that defines the grid.
TIA
<div class="bbcontent" style="padding: 0">
<telerik:RadGrid ID="TableAdminGrid" runat="server" GridLines="None" AllowPaging="True"
AllowSorting="True" EnableEmbeddedSkins="False" Skin="LPSDesktop" PageSize="20"
AllowFilteringByColumn="True" AllowMultiRowSelection="false"
PagerStyle-PageSizeLabelText="Page size" PagerStyle-PagerTextFormat="{4}{5} items in {1} page(s)">
<HeaderContextMenu EnableEmbeddedSkins="false">
</HeaderContextMenu>
<ClientSettings EnableRowHoverStyle="True">
<Selecting AllowRowSelect="True" />
<Scrolling UseStaticHeaders="True" ScrollHeight= "400px" AllowScroll = "true"/>
<Resizing AllowColumnResize="true" />
<ClientEvents OnFilterMenuShowing="FilterMenuShowing" />
</ClientSettings>
<MasterTableView>
<NoRecordsTemplate>
<div style="color:Red">No items found.</div>
</NoRecordsTemplate>
<Columns>
<telerik:GridTemplateColumn HeaderText="" UniqueName="EditColumn" AllowFiltering="false" ShowFilterIcon="false" ShowSortIcon="false" ItemStyle-HorizontalAlign="Center" HeaderStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:ImageButton ID="ImageButtonEdit" runat="server" ImageUrl="Images\document_edit.png" ToolTip="Edit" OnClick="GridEditImage_Click" />
</ItemTemplate>
<HeaderStyle Width="40px" />
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="" UniqueName="DeleteColumn" AllowFiltering="false" ShowFilterIcon="false" ShowSortIcon="false" ItemStyle-HorizontalAlign="Center" HeaderStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:ImageButton ID="ImageButtonDelete" runat="server" ImageUrl="Images\delete16.png" ToolTip="Remove" CommandName="Delete" OnClick="GridDeleteImage_Click" OnClientClick="SetRowToDelete(this.attributes['RowIndex'].value);" />
</ItemTemplate>
<HeaderStyle Width="40px" />
</telerik:GridTemplateColumn>
</Columns>
</MasterTableView>
<PagerStyle AlwaysVisible="true" Mode="NextPrevAndNumeric" Position="Bottom" PageButtonCount="3" PagerTextFormat="{4}{5} items in {1} page(s)" PageSizeLabelText="Page size" />
<GroupingSettings CaseSensitive="false" />
<FilterMenu EnableEmbeddedSkins="False" OnClientShown="MenuShowing">
</FilterMenu>
</telerik:RadGrid>
</div>