This is a migrated thread and some comments may be shown as answers.

RadTree with Context Menu Error

1 Answer 31 Views
TreeView
This is a migrated thread and some comments may be shown as answers.
Tamer Gamal
Top achievements
Rank 1
Tamer Gamal asked on 27 Nov 2010, 12:46 PM
Hi,i have a treeview that dynamically filled with nodes in code behind and attach the context menu for it in code behind as well 
and when i clicked on the node an IFrame Loaded and the context menu item load an rad window created in the code behind ,first i faced an error about the viewstate that it not the same with the post back,i worked around by setting a root node "." and set the selected=true,but now when i click the context menu  at the first time i got "Microsoft JScript runtime error: '_events' is null or not an object "

 the only client event i use is the onClientContextMenuShowing
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }
 
        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
                if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
                }
                else {
                    menuItem.set_enabled(true);
                }
            }
        }
 
i hope you find me a solution for that ...Thank You
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }

        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
  
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }

        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
                if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
                }
                else {
                    menuItem.set_enabled(true);
                }
            }
        }
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }
 
        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
                if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
                }
                else {
                    menuItem.set_enabled(true);
                }
            }
        }
             if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
                }
                else {
                    menuItem.set_enabled(true);
                }
            }
        }
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }

        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
                if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
  
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }
 
        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
                if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
                }
                else {
                    menuItem.set_enabled(true);
                }
            }
        }
             }
                else {
                    menuItem.set_enabled(true);
                }
  
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }

        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
                if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
                }
                else {
                    menuItem.set_enabled(true);
                }
            }
        }
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }

        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
                if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
                }
                else {
                    menuItem.set_enabled(true);
                }
            }
        }
         }
        }
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }

        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
                if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
                }
                else {
                    menuItem.set_enabled(true);
                }
            }
        }
function onClientContextMenuShowing(sender, args) {
            var treeNode = args.get_node();
            treeNode.select();
            //enable/disable menu items
            setMenuItemsState(args.get_menu().get_items(), treeNode);
        }

        //this method disables the context menu items for the Root element
        function setMenuItemsState(menuItems, treeNode) {
            for (var i = 0; i < menuItems.get_count(); i++) {
                var menuItem = menuItems.getItem(i);
                if (treeNode.get_text() == ".") {
                    menuItem.set_enabled(false);
                }
                else {
                    menuItem.set_enabled(true);
                }
            }
        }

1 Answer, 1 is accepted

Sort by
0
Nikolay Tsenkov
Telerik team
answered on 01 Dec 2010, 12:33 PM
Hi Tamer Gamal,

Could you, please, open a support ticket and send us a sample project or at least post the complete example here, so we can reproduce the issue?
Thanks.


Regards,
Nikolay Tsenkov
the Telerik team
Browse the vast support resources we have to jumpstart your development with RadControls for ASP.NET AJAX. See how to integrate our AJAX controls seamlessly in SharePoint 2007/2010 visiting our common SharePoint portal.
Tags
TreeView
Asked by
Tamer Gamal
Top achievements
Rank 1
Answers by
Nikolay Tsenkov
Telerik team
Share this question
or