Do you know hoy to add items to a dropdown? I have the following ascx code:

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="AddComponentToBundleXPM.ascx.cs" Inherits="GUIPageViewExtension.AddComponentToBundleXPM" %>

<%@ Import Namespace="Tridion.Web.UI" %>

<c:RibbonItemsGroup runat="server" ID="RibbonItemsGroup">
    <c:RibbonButton runat="server" CommandName="ViewStaging" Title="View in Staging" Label="View In Staging" ID="ViewStagingBtn" />
    <c:RibbonButton runat="server" CommandName="ViewLive" Title="View in Live" Label="View in Live" ID="ViewLiveBtn" />
    <c:Dropdown ID="listComponentTemplates" runat="server" nullable="false" />

In codebehind, when I try to add items to this Dropdown, it doesn´t recognized this element (with ID listComponentTemplates). This is the code:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Tridion.Web.UI.Core.Controls;

namespace GUIPageViewExtension
    public partial class AddComponentToBundleXPM : Tridion.Web.UI.Controls.TridionUserControl
        protected void Page_Load(object sender, EventArgs e)
            for (int i = 0; i < 7; i++)
                ListItem element = new ListItem("Text " + i.ToString());


What could be the problem? Is there any way to do something like that?

  • your posted code here seems incomplete – Velmurugan Jun 28 '17 at 8:23
  • 1
    Hi Sergio. Did you get to the bottom of this? It may be worth looking at the following SO question and accepted answer suggesting a recreation of the AddComponentToBundleXPM.designer.cs file: stackoverflow.com/questions/1316757/… – Jonathan Williams Jun 29 '17 at 13:22

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