Hi,
I'm attempting to dynamically create a RadContextMenu inside an asp.net server control. Whilst the Context Menu appears to be created/rendered correctly, I am unable to get any menu items to actually create. Checking the rendered markup - it appears that these items never actually make it onto the page.
Below is a sample of my code, can anyone indicate what I am doing wrong?
Thanks
Fergal
I'm attempting to dynamically create a RadContextMenu inside an asp.net server control. Whilst the Context Menu appears to be created/rendered correctly, I am unable to get any menu items to actually create. Checking the rendered markup - it appears that these items never actually make it onto the page.
Below is a sample of my code, can anyone indicate what I am doing wrong?
Imports System.Web.UI.WebControlsImports Telerik.Web.UI<ParseChildren(True, "MenuItems")>Public Class SplitButton Inherits WebControl Private _MenuItems As New List(Of MenuItem) Private _Button As RadButton Private _ContextMenu As RadContextMenu Public Property MenuItems() As List(Of MenuItem) Get Return _MenuItems End Get Set(ByVal value As List(Of MenuItem)) _MenuItems = value End Set End Property Public Property Text As String Public Property IconUrl As String Private Sub BuildContextMenu() _ContextMenu = New RadContextMenu() With {.ID = String.Format("{0}_Menu", Me.ID)} Me.Controls.Add(_ContextMenu) Dim x As New List(Of RadMenuItem) For Each item As MenuItem In MenuItems Dim menuItem As New RadMenuItem() With {.Text = item.Text, .Value = item.Value, .Visible = item.Visible, .ImageUrl = item.IconUrl, .PostBack = item.PostBack} x.Add(menuItem) Next _ContextMenu.Items.AddRange(x) End Sub Private Sub BuildButton() _Button = New RadButton() With {.ID = String.Format("{0}_Button", Me.ID)} _Button.OnClientClicked = "SplitButton_OnClientClicked" _Button.Attributes.Add("data-contextmenu", _ContextMenu.ClientID) _Button.Text = Text _Button.Icon.PrimaryIconUrl = IconUrl _Button.EnableSplitButton = True Me.Controls.Add(_Button) End Sub Private Sub SplitButton_Init(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Init BuildContextMenu() End Sub Private Sub SplitButton_PreRender(ByVal Sender As Object, ByVal e As EventArgs) Handles Me.PreRender BuildButton() End SubEnd ClassPublic Class MenuItem Public Property IconUrl As String Public Property Text As String Public Property Value As String Public Property PostBack As Boolean Public Property Visible As BooleanEnd Class<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="WebForm1.aspx.vb" Inherits="Grid_SplitButtonDemo.WebForm1" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><%@ Register Assembly="GridSplitButtonDemo" Namespace="Grid_SplitButtonDemo" TagPrefix="a" %><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title>SplitButton Demo</title> <script type="text/javascript"> function SplitButton_OnClientClicked(sender, args) { //Check if we clicked the splitbutton portion, or the button portion if (args.IsSplitButtonClick()) { //Show the context menu below the selected button. var currentLocation = $telerik.getLocation(sender.get_element()); var contextMenu = $find(sender.get_element().getAttribute('data-contextmenu')); //alert(contextMenu.get_items().get_count()); contextMenu.showAt(currentLocation.x, currentLocation.y + 22); //Prevent postback. sender.set_autoPostBack(false); } else { //Button portion clicked, Perform the default action. alert("Perform Default Action"); sender.set_autoPostBack(true); } } </script></head><body> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <h2> SplitButton Demo </h2> <div> <a:SplitButton runat="server" ID="btnActions" Text="Edit" IconUrl="Images/pencil.png"> <a:MenuItem IconUrl="Images/Remove.png" Text="Delete" Value="Delete" PostBack="false" /> <a:MenuItem IconUrl="Images/wand.png" Text="Add Another" Value="NewAnother" /> </a:SplitButton> </div> </form></body></html>Thanks
Fergal
1 Answer, 1 is accepted
0
Hello Fergal,
Attached to this post you can find a very simplified runnable project where I implemented a simple textbox with a context menu in a user control.
Greetings,
Kate
the Telerik team
Attached to this post you can find a very simplified runnable project where I implemented a simple textbox with a context menu in a user control.
Greetings,
Kate
the Telerik team
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