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Dependent RadGrids inside RadDock error

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Dock
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2 Answers, 1 is accepted

Accepted
answered on 07 Oct 2008, 06:58 AM
Hello A Caruso-Howatt,

I modified the ASPX code of our "Related Grids" example and prepared a small sample that shows how to achieve the desired behavior. RadGrid1's ClinentID is"RadDock1_C_RadGrid1", so you should use "RadDock1$C$RadGrid1" instead "RadGrid1", e.g:
    
            <body class="BODY">  
        
                <form runat="server" id="mainForm" method="post" style="width: 100%;">  
        
                    <!-- content start --> 
        
                    <asp:ScriptManager ID="ScriptManager1" runat="server">  
        
                    </asp:ScriptManager> 
        
                            <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">  
        
                        <ajaxsettings> 
        
                            <telerik:AjaxSetting AjaxControlID="RadGrid1">  
        
                                <UpdatedControls> 
        
                                    <telerik:AjaxUpdatedControl ControlID="RadGrid1" /> 
        
                                    <telerik:AjaxUpdatedControl ControlID="RadGrid2" /> 
        
                                </UpdatedControls> 
        
                            </telerik:AjaxSetting> 
        
                            <telerik:AjaxSetting AjaxControlID="RadGrid2">  
        
                                <UpdatedControls> 
        
                                    <telerik:AjaxUpdatedControl ControlID="RadGrid2" /> 
        
                                </UpdatedControls> 
        
                            </telerik:AjaxSetting> 
        
                        </ajaxsettings> 
        
                    </telerik:RadAjaxManager> 
        
                    <telerik:RadDock ID="RadDock1" runat="server" Title="Customers">  
        
                       <ContentTemplate> 
        
                             <telerik:RadGrid ID="RadGrid1" runat="server" AllowSorting="true" AllowPaging="true" 
        
                                PageSize="5" DataSourceID="SqlDataSource1" GridLines="None" Skin="Web20" width="95%">  
        
                                <clientsettings allowkeyboardnavigation="true" enablepostbackonrowclick="true">  
        
                                    <Selecting AllowRowSelect="true" /> 
        
                                </clientsettings> 
        
                                <mastertableview datakeynames="CustomerID" /> 
        
                                <pagerstyle mode="NextPrevAndNumeric" /> 
        
                            </telerik:RadGrid> 
        
                              <telerik:RadGrid ID="RadGrid2" ShowStatusBar="true" runat="server" AllowSorting="True" 
        
                                AllowPaging="True" PageSize="5" DataSourceID="SqlDataSource2" GridLines="None" 
        
                                Skin="Web20" width="95%" HorizontalAlign="NotSet">  
        
                                <mastertableview width="100%" autogeneratecolumns="False" datakeynames="OrderID" 
        
                                    datasourceid="SqlDataSource2">  
        
                                    <Columns> 
        
                                        <telerik:GridBoundColumn DataField="OrderID" DataType="System.Int32" HeaderText="OrderID" 
        
                                            ReadOnly="True" SortExpression="OrderID" UniqueName="OrderID">  
        
                                        </telerik:GridBoundColumn> 
        
                                        <telerik:GridBoundColumn DataField="OrderDate" DataType="System.DateTime" HeaderText="OrderDate" 
        
                                            SortExpression="OrderDate" UniqueName="OrderDate" DataFormatString="{0:d}">  
        
                                        </telerik:GridBoundColumn> 
        
                                        <telerik:GridBoundColumn DataField="ShipCountry" HeaderText="ShipCountry" SortExpression="ShipCountry" 
        
                                            UniqueName="ShipCountry">  
        
                                        </telerik:GridBoundColumn> 
        
                                    </Columns> 
        
                                </mastertableview> 
        
                                 <clientsettings allowkeyboardnavigation="true" enablepostbackonrowclick="true">  
        
                                    <Selecting AllowRowSelect="true" /> 
        
                                </clientsettings> 
        
                                <pagerstyle mode="NextPrevAndNumeric" /> 
        
                            </telerik:RadGrid>     
        
                       </ContentTemplate> 
        
                    </telerik:RadDock> 
        
                    <asp:SqlDataSource ID="SqlDataSource1" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" 
        
                        ProviderName="System.Data.SqlClient" SelectCommand="SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, PostalCode FROM Customers" 
        
                        runat="server">  
        
                    </asp:SqlDataSource> 
        
                    <asp:SqlDataSource ID="SqlDataSource2" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" 
        
                        ProviderName="System.Data.SqlClient" SelectCommand="SELECT [OrderID], [OrderDate], [CustomerID], [ShipCountry] FROM [Orders] WHERE ([CustomerID] = @CustomerID)" 
        
                        runat="server">  
        
                        <SelectParameters> 
        
                            <asp:ControlParameter   
        
                            ControlID="RadDock1$C$RadGrid1"    
        
                            DefaultValue="ALFKI"   
        
                            Name="CustomerID" 
        
                            PropertyName="SelectedValue"   
        
                            Type="String" /> 
        
                         </SelectParameters> 
        
                    </asp:SqlDataSource> 
        
                </form> 
        
            </body>
Let us know if you need further assistance.

Petko
the Telerik team
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