Hi, I am using treeview in C# and VS2005 if ((tempnode1 = tempnode1.NextVisibleNode) != null); I am not able to handle the null reference returned by this statement at the last node of the treeview. Can anyone please suggest a statement to check for null returned by TreeNode.NextVisibleNode Thanks. ...
I am using dynamical loading in treeview, however I want it to load children nodes when click the plus icon instead of clicking label, I tried to override lableClick event and preventDefault event, but it didn't work, yui still load the children node when I clicked label tree.subscribe("labelClick", function(e) { YAHOO.util.Event.pr...
Hey guys, Im using the awesome nested set plugin for ruby on rails. How do I go about sorting by likea :name column or something ? Currently shows the tree like A -C -B I want it like A -B -C ...
Hi, I'm experimenting with TreeView plug-in located here: http://docs.jquery.com/Plugins/Treeview One of the options it has is "unique" - to have only one item expanded at a time. It works very well for display purposes, but then I try to hook in to the TreeView's "toggle" property/event to find out which one exactly was expanded. Wh...
Hello! I am having problems getting at a click event of a button and am using Silverlight 3.0 w/ matching Silverlight Toolkit. Problem I have this TreeView: . The value for a certain node is the sum of the values of its children. Only in leaves can data be added (for the time being). What I want to achieve is that a user can add (an...
How can I expand the whole TreeView in Silverlight? EDIT: Here is the XAML : <controls:TreeView x:Name="tv"> <controls:TreeView.ItemTemplate> <common:HierarchicalDataTemplate ItemsSource="{Binding Children}"> <CheckBox IsChecked="{Binding Visible, Mode=TwoWay}" Content="{Binding Name}"/> </common:Hierar...
Hi The problem am having is that I have multiple TreeView control and each TreeView has its own TreeViewItem styles, setting it TreeView ItemContainerStyle="{StaticResource Style1}" will only set the root element NOT all the child elements, How to apply a style to all the child elements in a TreeView ...
Hello, I am using a jQuery treeview, to display an organization tree hierarchy, I display the selected organization's details on the same form by using AJAX. So the question is, how do I make the current (selected) item highlighted, does treeview support that (I tried selected, persistence etx, no luck, but I am new to jquery anyways.),...
The default ItemsPanel of a TreeView is a StackPanel that has the default orientation Vertical. I have changed the orientation of the StackPanel to Horizontal: <controls:TreeView> <controls:TreeView.ItemsPanel> <ItemsPanelTemplate> <StackPanel Orientation="Horizontal"/> </ItemsPanelTemplate> </controls:TreeView.ItemsPa...
I have a TreeView control in a Windows application. I am opening another window from the TreeView click (Single Click) event (in tabbed environment, so all windows will appear as a tab in Visual Studio). I want to set focus to one control of the new window. The problem is that, I am able to set the focus on the double click event of th...
I have created a custom tree view control in .NET to display directories. What I want is for the nodes to display the folder name and also the date last modified. I can do this by just setting the text to include this but then when I try and get child nodes using full path it also includes the date and so the folder is not found. So I...
I am trying to make a WPF Application containing a treeview, whose data will be populated from the database. Since I am new to all this, I tried using the simple tutorial that can be found at http://dev102.blogspot.com/2007/12/how-to-use-hierarchical-datatemplate-in.html I tried following the steps exactly, but all I am getting is just ...
I am trying to populate a datagrid (or gridview) as a child elment of a treeview from the database. I am able to get data from the DB in the tree, however, it doesnt seem to work for the datagrid. Here is my xaml code: <Window x:Class="AttemptUsingHirarchichalData.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presenta...
Hi I have a treeview control and all the nodes populated from xml. The tree has 5 elements in the first level and each contains several elements in level 2. My requirmrnt is only first element should be expanded when the startup of my application. I have written the method like this public void SelectAndExpand(ItemsControl ParentContain...
I'd like to get an event for any expansion of a treeviewitem in my treeview. The reason for this, a bit unrelated to the original question: I am creating a tree that relates closely to an xml file tree, but I am allowing an include element in the xml so the tree can go across multiple files. I'd like to set the itemssource property of...
I need to distinct the action in BeforeExpand event of TreeView. The problem is that the DoubleClick event is lunched after BeforeExpand event. When user double clicks the tree node the DoubleClick event is fired - which is ok, but the node is expanded/collapsed. I'd like to limit that the user needs to click '+' to expand the node and...
Hi there, I was just wondering if anyone knows of any way to get the bassistance treeview plugin to work with jQuery UI's sortable plugin? Particularly in terms of being able to drag and drop the element from it's nested ul to the parent ul or vice versa. Two other requirements are that I have the ability to prevent dropping onto specif...
I am having problems to select the first TreeViewItem in a TreeView in Silverlight. The following code just gives a null value in the method SelectFistItemInCatTreeView. Why? Any ideas? <controls:TreeView x:Name="treeCategories" Grid.Column="1" Grid.Row="2" SelectedItemChanged="treeCategories_SelectedItemChanged"> <controls:TreeView....
I am trying to create a TreeView from the Silverlight TreeView control. I have my data being pulled from a WCF service that pulls from EF. All of the data is coming in fine. I have the page set up where I can input a UserName, click a button, and the data will populate the first generation in the TreeView. So, I'm dynamically buildin...
I have a Silverlight TreeView control that I'm dynamically populating when a specific node is clicked. For example, I load the first generation (level) of nodes, then when the user clicks on one of the nodes, I use the Selected event to populate that node's children, etc, etc. I'm sending back from my database a bool value with each no...