or
var oWnd = $find("<%=uxFilterRadWindow.ClientId %>");oWnd.show();
<asp:TemplateField> <ItemTemplate> <asp:GridView ID="secondLevelGrid" runat="server" AutoGenerateColumns="false" CssClass="ChildGrid" OnRowDataBound="secondLevelGrid_OnRowDataBound"> <Columns> <%--My new nested grid goes here--%> <asp:BoundField DataField="Id" HeaderText="Id" /> <asp:BoundField DataField="Code" HeaderText="Code" /> <asp:BoundField DataField="Quantity" HeaderText="Q.ty" /> </Columns> </asp:GridView> </ItemTemplate></asp:TemplateField>protected void firstLevelGrid_OnRowDataBound(object sender, GridViewRowEventArgs e){ if (e.Row.RowType == DataControlRowType.DataRow) { GridView firstLevelGrid = e.Row.NamingContainer as GridView; string code = firstLevelGrid.DataKeys[e.Row.RowIndex].Value.ToString(); GridView secondLevelGridView = e.Row.FindControl("secondLevelGrid") as GridView; secondLevelGridView.DataSource = //GetData secondLevelGridView.DataBind(); }}<telerik:RadGrid ID="grdLinee" runat="server" AutoGenerateColumns="false" AllowAutomaticUpdates="false" AllowSorting="true" AllowPaging="true" PageSize="10" OnNeedDataSource="grdLinee_NeedDataSource" AllowAutomaticInserts="true" AllowAutomaticDeletes="false" OnItemCommand="grdLinee_ItemCommand" OnSelectedIndexChanged="grdLinee_SelectedIndexChanged" AllowFilteringByColumn="false" MasterTableView-EditMode="InPlace" ShowHeader="true" ShowFooter="true" ShowStatusBar="true" Skin="Office2007"> <PagerStyle Mode="NextPrevAndNumeric" /> <ClientSettings AllowKeyboardNavigation="true" EnablePostBackOnRowClick="true"> <Selecting AllowRowSelect="true" /> </ClientSettings> <MasterTableView DataKeyNames="idCatalogoLinee" CommandItemDisplay="Top"> <Columns> <telerik:GridEditCommandColumn ButtonType="ImageButton" UniqueName="EditCommandColumn"></telerik:GridEditCommandColumn> <telerik:GridButtonColumn Text="Delete" CommandName="Delete" ButtonType="ImageButton" ConfirmText="Sei sicuro?" /> <telerik:GridBinaryImageColumn DataField="immagine" UniqueName="immagine" ResizeMode="Fit" DataType="System.Byte"></telerik:GridBinaryImageColumn>
//...protected void grdLinee_ItemCommand(object sender, GridCommandEventArgs e) { switch(e.CommandName){ case "Update": GridBinaryImageColumnEditor editor = (GridBinaryImageColumnEditor)item.EditManager.GetColumnEditor("immagine");//editor.RadUploadControl.UploadedFiles.Count here is always 0//...}}<telerik:RadGrid ID="RadGrid1" runat="server" Culture="it-IT" AllowPaging="True" AllowSorting="True" AllowAutomaticDeletes="True" AllowAutomaticInserts="True" AllowAutomaticUpdates="True"> <ExportSettings ExportOnlyData="True"> <Pdf PageWidth=""> </Pdf> </ExportSettings> <ClientSettings> <Scrolling AllowScroll="True" UseStaticHeaders="True" /> </ClientSettings> <MasterTableView CommandItemDisplay="Top" DataKeyNames="Code" InsertItemPageIndexAction="ShowItemOnCurrentPage"> <CommandItemSettings ShowExportToExcelButton="True" /> <Columns> <telerik:GridEditCommandColumn ButtonType="ImageButton"> <HeaderStyle Width="30px" /> </telerik:GridEditCommandColumn> <telerik:GridButtonColumn ButtonType="ImageButton" Text="Delete" CommandName="Delete" FilterControlAltText="Filter column1 column" ConfirmDialogType="RadWindow" ConfirmText="Do you really want to delete this project and all its content?" UniqueName="Cancel"> <HeaderStyle Width="30px" /> </telerik:GridButtonColumn> </Columns> <EditFormSettings> <EditColumn UniqueName="EditCommandColumn1" FilterControlAltText="Filter EditCommandColumn1 column"></EditColumn> </EditFormSettings> <PagerStyle AlwaysVisible="True" /> </MasterTableView> <PagerStyle AlwaysVisible="True" /> </telerik:RadGrid>

<telerik:RadGrid ID="RadGridCompanies" runat="server" AutoGenerateColumns="False" DataSourceID="SqlDataSourceCompanies" GridLines="None" AllowAutomaticDeletes="false" AllowAutomaticInserts="True" AllowAutomaticUpdates="True" AllowPaging="True" AllowSorting="True" CellSpacing="0" Width="900px" Skin="Web20" PageSize="20"> <GroupingSettings CaseSensitive="false" /> <ClientSettings AllowKeyboardNavigation="true" EnablePostBackOnRowClick="true" EnableRowHoverStyle="True"> <Selecting AllowRowSelect="true" /> <Selecting AllowRowSelect="True"></Selecting> </ClientSettings> <MasterTableView DataKeyNames="ID, guidid" DataSourceID="SqlDataSourceCompanies" CommandItemDisplay="Top" EditMode="PopUp"> <CommandItemSettings ExportToPdfText="Export to PDF" ShowRefreshButton="False"></CommandItemSettings> <RowIndicatorColumn> <HeaderStyle Width="20px"></HeaderStyle> </RowIndicatorColumn> <ExpandCollapseColumn> <HeaderStyle Width="20px"></HeaderStyle> </ExpandCollapseColumn> <Columns> <telerik:GridBoundColumn DataField="ID" DataType="System.Int32" HeaderText="ID" ReadOnly="True" SortExpression="ID" UniqueName="ID" Visible="false"> <ColumnValidationSettings> <ModelErrorMessage Text=""></ModelErrorMessage> </ColumnValidationSettings> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="guidid" HeaderText="guidid" ReadOnly="True" SortExpression="guidid" UniqueName="guidid" Visible="false"> <ColumnValidationSettings> <ModelErrorMessage Text=""></ModelErrorMessage> </ColumnValidationSettings> </telerik:GridBoundColumn> .... other columns.. <EditFormSettings EditFormType="Template" PopUpSettings-Width="950px" PopUpSettings-Height="650px"> <EditColumn UniqueName="EditCommandColumn1"> </EditColumn> <FormTemplate> <telerik:RadGrid ID="RadGridMids" runat="server" AllowAutomaticUpdates="false" OnUpdateCommand="RadGridMids_UpdateCommand" DataSourceID="SqlDataSourceMids" GridLines="None" Skin="Web20" AutoGenerateColumns="False" CellSpacing="0" Width="800px"> <ClientSettings EnableRowHoverStyle="True"> </ClientSettings> <MasterTableView DataKeyNames="ID" DataSourceID="SqlDataSourceMids" EditMode="InPlace" CommandItemDisplay="Top"> <Columns> <telerik:GridBoundColumn DataField="ID" DataType="System.Int32" HeaderText="ID" ReadOnly="True" UniqueName="ID" Visible="false"></telerik:GridBoundColumn> <telerik:GridTemplateColumn DataField="Bank" FilterControlAltText="Filter BankName column" HeaderText="Bank" SortExpression="Bank" UniqueName="Bank"> <EditItemTemplate> <asp:TextBox ID="BankTextBox" runat="server" Text='<%# Bind("Bank") %>'></asp:TextBox> </EditItemTemplate> <ItemTemplate> <asp:Label ID="BankLabel" runat="server" Text='<%# Eval("Bank") %>'></asp:Label> </ItemTemplate> ... other columns... </telerik:GridTemplateColumn> <telerik:GridEditCommandColumn> </telerik:GridEditCommandColumn> </Columns> <EditFormSettings> <EditColumn FilterControlAltText="Filter EditCommandColumn column"></EditColumn> </EditFormSettings> </MasterTableView> <FilterMenu EnableTheming="True"> <CollapseAnimation Type="OutQuint" Duration="200"></CollapseAnimation> </FilterMenu> </telerik:RadGrid> <asp:Label ID="lblneedTofindThisLabel" runat="server" Text="label to find" Visible="false" ></asp:Label> </FormTemplate> <PopUpSettings Modal="True" Width="1000px" /> </EditFormSettings> </MasterTableView> <FilterMenu EnableImageSprites="False"> </FilterMenu> </telerik:RadGrid>Protected Sub RadGridMids_UpdateCommand(sender As Object, e As GridCommandEventArgs) Dim editedItem As GridEditableItem = TryCast(e.Item, GridEditableItem) Dim ID_ As String = editedItem.OwnerTableView.DataKeyValues(editedItem.ItemIndex)("ID").ToString() ' .... some logic.... ' -- WHAT X should be. ? Dim lblneedTofindThisLabel As Label = (TryCast(x.FindControl("lblneedTofindThisLabel"), Label)) lblneedTofindThisLabel.visible=true end sub