or

<
httpHandlers>
<add path="ChartImage.axd" verb="*" type="Telerik.Web.UI.ChartHttpHandler, Telerik.Web.UI, Culture=neutral, PublicKeyToken=121fae78165ba3d4" validate="false"/>
</httpHandlers>
Can anyone please suggest the Resolution to the problem?
Hello,
I've a RadGrid with a ButtonColumn of type ImageButton. When adding an CommandArgument to this column the error: 'Specified argument was out of range of valid values. Parameter name: ItemHierarchicalIndex'.
<telerik:GridButtonColumn ButtonType="ImageButton" ImageUrl="~/Images/RadGrid/16pxSearch.png" CommandName="Edit" CommandArgument="View" UniqueName="ViewColumn"> <HeaderStyle CssClass="rgHeader ButtonColumnHeader"></HeaderStyle> <ItemStyle CssClass="ButtonColumn"></ItemStyle></telerik:GridButtonColumn>Anyone any idea how to fix it??
Regards,
Jos Meerkerk