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Version Q1 2012 released 04/11/2012
select

Grid / Header Context Menu

Quantity  
 CustomerIDContact NameCompany
12345678910...
Page size:
select
 91 items in 31 pages
ALFKIMaria AndersAlfreds Futterkiste
 
 OrderIDDate OrderedEmployeeID
12
Page size:
select
 6 items in 2 pages
106438/25/1997 12:00:00 AM6
 
 Unit PriceQuantityDiscount

Quantity: 2
 12.0020.25

Quantity: 15
 45.60150.25

Quantity: 21
 18.00210.25
1069210/3/1997 12:00:00 AM4
1070210/13/1997 12:00:00 AM4
ANATRAna TrujilloAna Trujillo Emparedados y helados
ANTONAntonio MorenoAntonio Moreno Taquería



  • Right-click on a header cell to show the header context menu

    The above RadGrid control has a context menu enabled on its first and third level GridTableViews.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="VB" AutoEventWireup="true" Inherits="Telerik.GridExamplesVBNET.GeneralFeatures.HeaderContextMenu.DefaultVB"
        CodeFile="DefaultVB.aspx.vb" %>

    <%@ Register TagPrefix="telerik" Namespace="Telerik.QuickStart" %>
    <%@ Register TagPrefix="telerik" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="telerik" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="telerik" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <telerik:HeadTag runat="server" ID="Headtag2"></telerik:HeadTag>
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
            <telerik:Header runat="server" ID="Header1" NavigationLanguage="VB"></telerik:Header>
            <telerik:RadScriptManager ID="RadScriptManager1" runat="server" />
            <!-- content start -->
            <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
                <AjaxSettings>
                    <telerik:AjaxSetting AjaxControlID="RadGrid1">
                        <UpdatedControls>
                            <telerik:AjaxUpdatedControl ControlID="RadGrid1" />
                        </UpdatedControls>
                    </telerik:AjaxSetting>
                </AjaxSettings>
            </telerik:RadAjaxManager>
            
            <telerik:RadGrid ID="RadGrid1" ShowGroupPanel="True" ShowStatusBar="true"
                runat="server" DataSourceID="SqlDataSource1" AutoGenerateColumns="False" AllowSorting="True"
                AllowMultiRowSelection="False" AllowPaging="True" PageSize="3">
                <PagerStyle Mode="NextPrevAndNumeric"></PagerStyle>
                <MasterTableView Width="100%" DataSourceID="SqlDataSource1" DataKeyNames="CustomerID"
                    AllowMultiColumnSorting="True" EnableHeaderContextMenu="true">
                    <DetailTables>
                        <telerik:GridTableView DataKeyNames="OrderID" DataSourceID="SqlDataSource2" Width="100%"
                            runat="server" EnableHeaderContextMenu="false">
                            <ParentTableRelation>
                                <telerik:GridRelationFields DetailKeyField="CustomerID" MasterKeyField="CustomerID" />
                            </ParentTableRelation>
                            <DetailTables>
                                <telerik:GridTableView DataKeyNames="OrderID" DataSourceID="SqlDataSource3" Width="100%"
                                    runat="server" EnableHeaderContextMenu="true">
                                    <ParentTableRelation>
                                        <telerik:GridRelationFields DetailKeyField="OrderID" MasterKeyField="OrderID" />
                                    </ParentTableRelation>
                                    <Columns>
                                        <telerik:GridBoundColumn SortExpression="UnitPrice" HeaderText="Unit Price" DataField="UnitPrice"
                                            UniqueName="UnitPrice">
                                        </telerik:GridBoundColumn>
                                        <telerik:GridBoundColumn SortExpression="Quantity" HeaderText="Quantity" DataField="Quantity"
                                            UniqueName="Quantity">
                                        </telerik:GridBoundColumn>
                                        <telerik:GridBoundColumn SortExpression="Discount" HeaderText="Discount" DataField="Discount"
                                            UniqueName="Discount">
                                        </telerik:GridBoundColumn>
                                    </Columns>
                                    <GroupByExpressions>
                                        <telerik:GridGroupByExpression>
                                            <SelectFields>
                                                <telerik:GridGroupByField FieldAlias="Quantity" FieldName="Quantity" FormatString=""
                                                    HeaderText=""></telerik:GridGroupByField>
                                            </SelectFields>
                                            <GroupByFields>
                                                <telerik:GridGroupByField FieldAlias="Quantity" FieldName="Quantity" FormatString=""
                                                    HeaderText=""></telerik:GridGroupByField>
                                            </GroupByFields>
                                        </telerik:GridGroupByExpression>
                                    </GroupByExpressions>
                                </telerik:GridTableView>
                            </DetailTables>
                            <Columns>
                                <telerik:GridBoundColumn SortExpression="OrderID" HeaderText="OrderID" DataField="OrderID"
                                    UniqueName="OrderID">
                                </telerik:GridBoundColumn>
                                <telerik:GridBoundColumn SortExpression="OrderDate" HeaderText="Date Ordered" DataField="OrderDate"
                                    UniqueName="OrderDate">
                                </telerik:GridBoundColumn>
                                <telerik:GridBoundColumn SortExpression="EmployeeID" HeaderText="EmployeeID" DataField="EmployeeID"
                                    UniqueName="EmployeeID">
                                </telerik:GridBoundColumn>
                            </Columns>
                        </telerik:GridTableView>
                    </DetailTables>
                    <Columns>
                        <telerik:GridBoundColumn SortExpression="CustomerID" HeaderText="CustomerID" DataField="CustomerID"
                            UniqueName="CustomerID">
                        </telerik:GridBoundColumn>
                        <telerik:GridBoundColumn SortExpression="ContactName" HeaderText="Contact Name" DataField="ContactName"
                            UniqueName="ContactName" Groupable="false">
                        </telerik:GridBoundColumn>
                        <telerik:GridBoundColumn SortExpression="CompanyName" HeaderText="Company" DataField="CompanyName"
                            UniqueName="CompanyName">
                        </telerik:GridBoundColumn>
                    </Columns>
                </MasterTableView>
                <ClientSettings AllowDragToGroup="True" />
            </telerik:RadGrid>
            <br />
            <br />
            <asp:SqlDataSource ID="SqlDataSource1" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
                ProviderName="System.Data.SqlClient" SelectCommand="SELECT * FROM Customers"
                runat="server"></asp:SqlDataSource>
            <asp:SqlDataSource ID="SqlDataSource2" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
                ProviderName="System.Data.SqlClient" SelectCommand="SELECT * FROM Orders Where CustomerID = @CustomerID"
                runat="server">
                <SelectParameters>
                    <asp:SessionParameter Name="CustomerID" SessionField="CustomerID" Type="string" />
                </SelectParameters>
            </asp:SqlDataSource>
            <asp:SqlDataSource ID="SqlDataSource3" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
                ProviderName="System.Data.SqlClient" SelectCommand="SELECT * FROM [Order Details] where OrderID = @OrderID"
                runat="server">
                <SelectParameters>
                    <asp:SessionParameter Name="OrderID" SessionField="OrderID" Type="Int32" />
                </SelectParameters>
            </asp:SqlDataSource>
            <!-- content end -->
            <telerik:Footer runat="server" ID="Footer1"></telerik:Footer>
        </form>
    </body>
    </html>

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