or
<telerik:RadGrid.....
<GroupByExpressions> <telerik:GridGroupByExpression> <SelectFields> <telerik:GridGroupByField FieldAlias="Field1" FieldName="Field1" HeaderValueSeparator=" : " SortOrder="Ascending" > </telerik:GridGroupByField> <telerik:GridGroupByField FieldAlias="Field2" FieldName="Field2" SortOrder="Ascending" FormatString="{0:D}" HeaderValueSeparator=" : "></telerik:GridGroupByField> </SelectFields> <GroupByFields> <telerik:GridGroupByField FieldName="Field1" SortOrder="Ascending"> </telerik:GridGroupByField > <telerik:GridGroupByField FieldName="Field2" SortOrder="Ascending"></telerik:GridGroupByField> </GroupByFields> </telerik:GridGroupByExpression> </GroupByExpressions>
...</telerik:RadGrid> var contextMenu = $find(itemContextMenu); $telerik.cancelRawEvent(e); if ((!e.relatedTarget) || (!$telerik.isDescendantOrSelf(contextMenu.get_element(), e.relatedTarget))) { contextMenu.trackChanges(); contextMenu.get_items().clear(); var item1 = new Telerik.Web.UI.RadMenuItem(); item1.set_text("item1"); contextMenu.get_items().add(item1); var item2 = new Telerik.Web.UI.RadMenuItem(); item2.set_text("item2"); contextMenu.get_items().add(item2); contextMenu.commitChanges(); contextMenu.show(e);}<%@ Page Language="VB" AutoEventWireup="false" CodeFile="TEST.aspx.vb" Inherits="TEST" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title> <style type="text/css"> html, body, form { height:100%; border:0px; margin:0px; } </style></head><body> <form id="form1" runat="server"> <telerik:RadScriptManager ID="RadScriptManager1" runat="server"> </telerik:RadScriptManager> <telerik:RadSplitter ID="RadSplitter2" runat="server" Width="100%" Height="100%" Orientation="Horizontal"> <telerik:RadPane ID="RadPane3" runat="server" Width="100%" Height="26px"> <telerik:RadTabStrip ID="RadTabStrip1" runat="server" MultiPageID="RadMultiPage1" SelectedIndex="0"> <Tabs> <telerik:RadTab Text="First" Value="First" PageViewID="PV0"></telerik:RadTab> <telerik:RadTab Text="Second" Value="Second" PageViewID="PV1"></telerik:RadTab> <telerik:RadTab Text="Third" Value="Third" PageViewID="PV2"></telerik:RadTab> </Tabs> </telerik:RadTabStrip> </telerik:RadPane> <telerik:RadSplitBar ID="RadSplitBar2" runat="server" Visible="false"></telerik:RadSplitBar> <telerik:RadPane ID="RadPane4" runat="server" Width="100%" Height="100%"> <telerik:RadMultiPage ID="RadMultiPage1" runat="server" SelectedIndex="0" Width="100%" Height="100%"> <telerik:RadPageView ID="PV0" runat="server" Width="100%" Height="100%"> <telerik:RadSplitter ID="RadSplitter1" runat="server" Width="100%" Height="100%" Orientation="Horizontal"> <telerik:RadPane ID="RadPane1" runat="server" Height="32px" Width="100%"> Top PV0 </telerik:RadPane> <telerik:RadSplitBar ID="RadSplitBar1" runat="server" Visible="false"></telerik:RadSplitBar> <telerik:RadPane ID="RadPane2" runat="server" Width="100%" Height="100%"> <telerik:RadGrid ID="RadGrid1" runat="server" DataSourceID="SDS0" GridLines="None" Height="100%" Width="100%" style="border:0;outline:none;"> <MasterTableView AutoGenerateColumns="False" DataSourceID="SDS0" style="border:0;outline:none;"> <RowIndicatorColumn> <HeaderStyle Width="20px" /> </RowIndicatorColumn> <ExpandCollapseColumn> <HeaderStyle Width="20px" /> </ExpandCollapseColumn> <Columns> <telerik:GridBoundColumn DataField="Column1" DataType="System.Int32" HeaderText="Column1" ReadOnly="True" SortExpression="Column1" UniqueName="Column1"> </telerik:GridBoundColumn> </Columns> </MasterTableView> </telerik:RadGrid> <asp:SqlDataSource ID="SDS0" runat="server" SelectCommand="SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4" ConnectionString="<%$ ConnectionStrings:DBConn %>"> </asp:SqlDataSource> </telerik:RadPane> </telerik:RadSplitter> </telerik:RadPageView> <telerik:RadPageView ID="PV1" runat="server"> <telerik:RadSplitter ID="RadSplitter3" runat="server" Width="100%" Height="100%" Orientation="Horizontal"> <telerik:RadPane ID="RadPane5" runat="server" Height="32px" Width="100%"> Top PV1 </telerik:RadPane> <telerik:RadSplitBar ID="RadSplitBar3" runat="server" Visible="false"></telerik:RadSplitBar> <telerik:RadPane ID="RadPane6" runat="server" Width="100%" Height="100%"> <telerik:RadGrid ID="RadGrid2" runat="server" DataSourceID="SDS1" GridLines="None" Height="100%" Width="100%" style="border:0;outline:none;"> <MasterTableView AutoGenerateColumns="False" DataSourceID="SDS1" style="border:0;outline:none;"> <RowIndicatorColumn> <HeaderStyle Width="20px" /> </RowIndicatorColumn> <ExpandCollapseColumn> <HeaderStyle Width="20px" /> </ExpandCollapseColumn> <Columns> <telerik:GridBoundColumn DataField="Column1" DataType="System.Int32" HeaderText="Column1" ReadOnly="True" SortExpression="Column1" UniqueName="Column1"> </telerik:GridBoundColumn> </Columns> </MasterTableView> </telerik:RadGrid> <asp:SqlDataSource ID="SDS1" runat="server" SelectCommand="SELECT 11 UNION SELECT 12 UNION SELECT 13 UNION SELECT 14" ConnectionString="<%$ ConnectionStrings:DBConn %>"> </asp:SqlDataSource> </telerik:RadPane> </telerik:RadSplitter> </telerik:RadPageView> <telerik:RadPageView runat="server" ID="PV2" BackColor="Red" Width="100%" Height="100%"></telerik:RadPageView> </telerik:RadMultiPage> </telerik:RadPane> </telerik:RadSplitter> </form></body></html>