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hierarchy radgrid cannot find the passed in field from outer grid(always null)

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Joe
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Joe asked on 21 Nov 2011, 11:31 PM
I tried to use two level radgrid, the inner level actually get "AetherID" from the outer grid but it always has null value which means it is not passed in. I followed TELERIK's Example, so I  have no idea what goes wrong here, help please.


<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="RadGridExportWebForm.aspx.cs"
    Inherits="RadGridExportWebForm" %>

<!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>
    <telerik:RadStyleSheetManager ID="RadStyleSheetManager1" runat="server" />
</head>
<body>
    <form id="form1" runat="server">
    <telerik:RadScriptManager ID="RadScriptManager1" runat="server">
        <Scripts>
            <%--Needed for JavaScript IntelliSense in VS2010--%>
            <%--For VS2008 replace RadScriptManager with ScriptManager--%>
            <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js" />
            <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js" />
            <asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js" />
        </Scripts>
    </telerik:RadScriptManager>
    <script type="text/javascript">
        //Put your JavaScript code here.
    </script>
    <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
        <ClientEvents OnRequestStart="RadAjaxManager1_RequestStart" />
        <AjaxSettings>
            <telerik:AjaxSetting AjaxControlID="RadGrid1">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="RadGrid1" />
                </UpdatedControls>
            </telerik:AjaxSetting>
        </AjaxSettings>
    </telerik:RadAjaxManager>
    <div>
        <telerik:RadScriptBlock ID="RadScriptBlock1" runat="server">
            <script type="text/javascript">
                function gridExport() {
                    $find("<%= RadGrid1.ClientID %>").get_masterTableView().exportToExcel();
                    return false;
                }
                function RadAjaxManager1_RequestStart(sender, args) {
                    if (args.get_eventTarget() == "<%= RadGrid1.ClientID %>")
                        args.set_enableAjax(false);
                }
            </script>
        </telerik:RadScriptBlock>
        <asp:Button OnClientClick="return gridExport()" ID="Button1" runat="server" Text="Export To Excel" />
        <%-- <asp:Label ID="Label1" Font-Bold="true" Font-Italic="true" Text='<%# Eval("AetherGUID") %>'
            Visible="false" runat="server" />--%>
        <telerik:RadGrid ID="RadGrid1" OnPreRender="RadGrid1_PreRender" DataSourceID="ObjectExpDescDS"
            runat="server" AutoGenerateColumns="False" AllowSorting="True" AllowMultiRowSelection="False"
            AllowPaging="True" PageSize="10" GridLines="None" ShowGroupPanel="true" OnItemCreated="RadGrid1_ItemCreated"
            OnItemCommand="RadGrid1_ItemCommand">
            <PagerStyle Mode="NumericPages"></PagerStyle>
            <MasterTableView DataSourceID="ObjectExpDescDS"  DataKeyNames="AetherGUID" AllowMultiColumnSorting="True"
                GroupLoadMode="Server" HierarchyLoadMode="ServerOnDemand">
                <Columns>
                    <telerik:GridBoundColumn SortExpression="ExperimentDateTime" HeaderText="Experiment DateTime"
                        HeaderButtonType="TextButton" DataType="System.DateTime" DataFormatString="{0:d}"
                        AllowSorting="true" AllowFiltering="true" Groupable="true" DataField="ExperimentDateTime"
                        UniqueName="ExperimentDateTime">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn SortExpression="ExperimentUser" HeaderText="Experiment DateTime"
                        HeaderButtonType="TextButton" AllowSorting="true" AllowFiltering="true" Groupable="true"
                        DataField="ExperimentDateTime" UniqueName="ExperimentDateTime">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn SortExpression="ValidationDateStartTime" HeaderText="Validation StartTime"
                        HeaderButtonType="TextButton" AllowSorting="true" AllowFiltering="true" Groupable="true"
                        DataField="ValidationDateStartTime" UniqueName="ValidationDateStartTime">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn SortExpression="ValidationDateEndTime" HeaderText="Validation End Time"
                        HeaderButtonType="TextButton" AllowSorting="true" AllowFiltering="true" Groupable="true"
                        DataField="ValidationDateEndTime" UniqueName="ValidationDateEndTime">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn SortExpression="TrainingDateStartTime" HeaderText="Training StartTime"
                        HeaderButtonType="TextButton" AllowSorting="true" AllowFiltering="true" Groupable="true"
                        DataField="TrainingDateStartTime" UniqueName="TrainingDateStartTime">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn SortExpression="TrainingDateEndTime" HeaderText="Training End Time"
                        HeaderButtonType="TextButton" AllowSorting="true" AllowFiltering="true" Groupable="true"
                        DataField="TrainingDateEndTime" UniqueName="TrainingDateEndTime">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn SortExpression="AetherDescription" HeaderText="Description"
                        HeaderButtonType="TextButton" AllowFiltering="true" AllowSorting="true" Groupable="true"
                        DataField="AetherDescription" UniqueName="AetherDescription">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn SortExpression="AetherGUID" HeaderText="AetherGUID" HeaderButtonType="TextButton"
                        AllowFiltering="true" AllowSorting="true" Groupable="true" DataField="AetherGUID"
                        UniqueName="AetherGUID">
                    </telerik:GridBoundColumn>
                </Columns>
                <NestedViewSettings DataSourceID="ObjectExpMetricsDS">
                    <ParentTableRelation>
                        <telerik:GridRelationFields DetailKeyField="AetherGUID" MasterKeyField="AetherGUID" />
                    </ParentTableRelation>
                </NestedViewSettings>
                <NestedViewTemplate>
                    <asp:Panel runat="server" ID="InnerContainer" CssClass="viewWrap" Visible="false">
                        <telerik:RadTabStrip runat="server" ID="TabStip1" MultiPageID="Multipage1" SelectedIndex="0">
                            <Tabs>
                                <telerik:RadTab runat="server" Text="Metrics" PageViewID="PageView1">
                                </telerik:RadTab>
                                <telerik:RadTab runat="server" Text="To be added" PageViewID="PageView2">
                                </telerik:RadTab>
                                <telerik:RadTab runat="server" Text="Chart" PageViewID="PageView3">
                                </telerik:RadTab>
                            </Tabs>
                        </telerik:RadTabStrip>
                        <telerik:RadMultiPage runat="server" ID="Multipage1" SelectedIndex="0" RenderSelectedPageOnly="false">
                            <telerik:RadPageView runat="server" ID="PageView1">
                                <telerik:RadGrid runat="server" ID="ExpMetricsGrid" DataSourceID="ObjectExpMetricsDS"
                                    ShowFooter="true" AllowSorting="true" AutoGenerateColumns="false">
                                    <MasterTableView>
                                        <Columns>
                                            <telerik:GridBoundColumn SortExpression="Position" HeaderText="Position" HeaderButtonType="TextButton"
                                                DataField="Position" UniqueName="Position">
                                            </telerik:GridBoundColumn>
                                            <telerik:GridBoundColumn SortExpression="RigProd" HeaderText="Production RIG" HeaderButtonType="TextButton"
                                                DataField="RigProd" UniqueName="Production RIG">
                                            </telerik:GridBoundColumn>
                                            <telerik:GridBoundColumn SortExpression="RigExpt" HeaderText="Experiment RIG" HeaderButtonType="TextButton"
                                                DataField="RigExpt" UniqueName="Experiment RIG">
                                            </telerik:GridBoundColumn>
                                            <telerik:GridBoundColumn SortExpression="RIGAdPredict" UniqueName="AdPredictor RIG"
                                                DataField="RIGAdPredict" HeaderText="AdPredictor RIG">
                                            </telerik:GridBoundColumn>
                                            <telerik:GridBoundColumn SortExpression="AvgPClickProd" HeaderText="Production Average PClick"
                                                HeaderButtonType="TextButton" DataField="AvgPClickProd" UniqueName="Production Average PClick">
                                            </telerik:GridBoundColumn>
                                            <telerik:GridBoundColumn SortExpression="AvgPClickExpt" HeaderText="Experiment Average PClick"
                                                HeaderButtonType="TextButton" DataField="AvgPClickExpt" UniqueName="Experiment Average PClick">
                                            </telerik:GridBoundColumn>
                                            <telerik:GridBoundColumn SortExpression="Impression" HeaderText="Impressions" HeaderButtonType="TextButton"
                                                DataField="Impression" UniqueName="Impression">
                                            </telerik:GridBoundColumn>
                                            <telerik:GridBoundColumn SortExpression="Clicks" HeaderText="Clicks" HeaderButtonType="TextButton"
                                                DataField="Clicks" UniqueName="Clicks">
                                            </telerik:GridBoundColumn>
                                        </Columns>
                                    </MasterTableView>
                                </telerik:RadGrid>
                                <asp:ObjectDataSource ID="ObjectExpMetricsDS" SelectMethod="GetDataByGUID" TypeName="RadControlsWebApp1.DAL.AbacusStoreTableAdapters.RigAucPairwiseJoinedViewTableAdapter"
                                    runat="server">
                                    <SelectParameters>
                                        <asp:Parameter Name="AetherGUID" DefaultValue="fe439be5-4a63-45f4-990a-e7939e31f287" Type="string" />
                                    </SelectParameters>
                                </asp:ObjectDataSource>
                            </telerik:RadPageView>
                            <telerik:RadPageView runat="server" ID="PageView2" Width="460px">
                            </telerik:RadPageView>
                            <telerik:RadPageView runat="server" ID="PageView3" Width="400px">
                            </telerik:RadPageView>
                        </telerik:RadMultiPage>
                    </asp:Panel>
                </NestedViewTemplate>
            </MasterTableView>
            <ClientSettings AllowDragToGroup="true" />
        </telerik:RadGrid>
        <asp:ObjectDataSource SelectMethod="GetData" TypeName="RadControlsWebApp1.DAL.AbacusStoreTableAdapters.ExperimentDescTableAdapter"
            ID="ObjectExpDescDS" runat="server"></asp:ObjectDataSource>
    </div>
    </form>
</body>
</html>

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Pavlina
Telerik team
answered on 24 Nov 2011, 01:43 PM
NestedViewTemplate.zip
Hi Joe,

I put the provided code in a sample project and it is working properly on my side. You should only set Visible property of asp:Panel to true:
<NestedViewTemplate>
                  <asp:Panel runat="server" ID="InnerContainer" CssClass="viewWrap" Visible="true">
                            ...................

Please examine the attached project and let me know if it helps to resolve the described problem.

Best wishes,
Pavlina
the Telerik team
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Pavlina
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