or
foreach (GridFilteringItem filter in radGrid.MasterTableView.GetItems(GridItemType.FilteringItem)){ filter.Visible = false;}radGrid.MasterTableView.ExportToExcel();radGrid.ExportSettings.IgnorePaging = true;radGrid.ExportSettings.ExportOnlyData = true;radGrid.ExportSettings.FileName = "MyFile_" + DateTime.Now.ToShortDateString();radGrid.MasterTableView.ExportToExcel();<telerik:RadGrid ID="RadGrid1" runat="server" ActiveItemStyle-Wrap="false" AllowFilteringByColumn="False" AllowPaging="False" AllowSorting="True" AlternatingItemStyle-Wrap="false" AutoGenerateColumns="False" CellSpacing="0" CommandItemStyle-Wrap="false" DataSourceID="SqlDataSource1" EnableLinqExpressions="False" GridLines="None" HeaderStyle-Wrap="false" Height="600" ItemStyle-Wrap="false" OnPreRender="RadGrid1_PreRender" PagerStyle-AlwaysVisible="true" PageSize="20" SelectedItemStyle-Wrap="false" ShowGroupPanel="True" Skin="Web20" Width="1200" > <grouppanel text="<%$ Resources:MessageResource, MSG_RECMain_Group_Drop %>"></grouppanel> <groupingsettings casesensitive="false" showungroupbutton="true" /> <clientsettings allowdragtogroup="true" enablepostbackonrowclick="false" enablerowhoverstyle="true"> <selecting allowrowselect="true" enabledragtoselectrows="false" /> <clientevents ongridcreated="RadGrid1_GridCreated" onrowselected="RowSelected"></clientevents> <resizing allowcolumnresize="True" allowresizetofit="true" allowrowresize="false" clipcellcontentonresize="true" enablerealtimeresize="false" resizegridoncolumnresize="false" /> <scrolling allowscroll="true" usestaticheaders="true" /> </clientsettings> <mastertableview allowmulticolumnsorting="False" datakeynames="PCID" datasourceid="SqlDataSource1"> <rowindicatorcolumn visible="False"></rowindicatorcolumn> <expandcollapsecolumn created="True"></expandcollapsecolumn> <CommandItemSettings ShowExportToExcelButton="true" /> <Columns></Columns> </mastertableview></telerik:RadGrid><telerik:RadButton ID="buttonReport" runat="server" AutoPostBack="true" Text="Summary" Font-Size="X-Small" BackColor="LightBlue" Icon-PrimaryIconCssClass="rbPrint" />