event is raised when RadGrid is
exported to Excel (before the resulting document is rendered on the
client). I am not sure what is happening on your end. Can you confirm that you have added the event handler for the OnExcelExportCellFormatting
event in the RadGrid.
| <telerik:RadGrid ID="RadGrid1" Width="800px" runat="server" Skin="Default" AllowMultiRowEdit="true" DataSourceID="SqlDataSource1"