treeview

How should I structure my ViewModel for this hierarchical data I need to display in ASP.NET MVC?

I have a view that will look like this: I'm trying to figure out how I should represent my ViewModel for this view. Each "Agency" can have multiple "Business Units" and each "Business Unit" can have several "Clients". In the database I easily represent this with a mapping table and foreign keys for the Agency, BusinessUnit and Clien...

Using ImageList from VB6 application causes crash on Windows 7.0 64-bit

I have an old VB6 application that uses an ImageList control from COMCTL32.OCX ("Microsoft Windows Common Controls 5.0 (SP2)") to provide icons for TreeViews and ListViews. The app won't even launch on Windows 7.0 64 bit. The minute it tries to load the form that has the ImageList on it, it crashes (well, actually, the app winks out, ex...

Treeview bound to sitemap - object contains no nodes

Hey There. Sorry if this is more obvious to most than it is to me but ... I would be most appreciative of some help. I have a treeview bound to a sitemap. Everything works just fine - so it seems to be set up well. However, I cannot access the nodes in the treeview. Here is the minimum code to demonstrate: .aspx: <form id="form1" runa...

Disable Treeview Nodes

How to disable the treeview nodes in windows forms c#.net ...

How do I remember a WPF XmlDataProvider bound Treeview's IsExpanded property when refreshed?

I have a WPF treeview that is databound to an XmlDataProvider - the XML source is used by many PCs. When the XmlDataProvider is refreshed all the TreeViewNodes collapse. I would like each PC to remember the status of the IsExpanded attribute. I understand that I could add an IsExpanded property to the XML, however then this would be u...

asp.net tree view selectd node value using javascript

hi i am using a treeview control in my page i am binding the treeview with the datatable i need to use javascript to get the selected node value on the tree in a button click. how to do this ...

How to bind a dataset with multiple tables to asp.net treeview control?

Hello All, I have a tree view control which I have to bind a dataset with multiple data tables in it, and have relations between them. can you suggest how can I do that, I have tried many ways but none of them proved useful... Thanks ...

How to Intercept last Opened/expanded node of a Flex Tree

I have a partially populated Tree component and I have to invoke a remote service when User expand (not when he select) a node to retrieve it's leafs. How I know witch node have bee selected. I'm using Flex 3.3. ...

WPF Treeview Item select Problem

I Have Treeview (shown as above) in my app, I have binded it with collection... now the problem is whenever I expand on Colorodo by default Aspen should get selected, means whenever I expand first item that Node should get selected.. Any Ideas/suggestion Please ...

[.net] Treeview prevent Node collapse (weird problem)

Hey guyz! I have a .net 2.0 C# Project. I have a Treeview with 2 Nodes, each of them has many child nodes. When you click on a child node, a PDF is displayed in a webbrowser control depending on the properties of the node. Fine, but the problem is that when both Nodes are expanded, and I click on a child node, the other node gets collap...

Treeview validation

The treeview has leaf node checkboxes.I need to validate the treeview if atleast one of the node is checked and not more than a specfic(say 3 nodes) number of nodes a user can select. Note:The Treeview is a asp.net treeview(not an ajax treeview) ...

C# - TreeView construction

I am trying to construct a TreeView from a Menu. My Code is like this: public class MenuExtractionUtility { public TreeView MenuTraverse(MainMenu mainMenu) { TreeView treeView = new TreeView(); TreeNode mainNode = new TreeNode(); foreach (MenuItem mi in mainMenu.MenuItems) ...

Associating Windows Forms TreeView items to actual data

So - working with C# and Windows Forms, I have a bunch of "Task" classes. Every class has a List<Task>, so that they can have any number of children (and the children can obviously have more children...) These tasks are stored in a "Project" class (in a List<Task>, obviously), which is then serialized to XML. I have a function to recurs...

WPF: Problems using Data Templates with content controls

Hi, I hope someone out there can help me. I have created a dropdown treeview using a treeview in a popup and displaying the selected item in a content control. <Grid Background="White" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" > <Grid.ColumnDefinitions> <ColumnDefinition Width="*" /> <ColumnDefinition Width=...

WPF Treeview - Get status of checkbox.

Hi, I have created a Treeview and used a stack panel to include a checkbox, icon image and text for each node in the tree. These nodes are created at runtime. I also have a button object. The xaml is below. The problem i have is that, when the click me button is clicked, i need to traverse thru the tree view and if a checkbox is checked...

How to Send a Any File Type through Redirect in ASP.NET?

I currently have a TreeView showing a directory in a web page. I don't think you can capture click events on a Node so instead I'm creating the navigation link to the same page which processes a parameter (path). I've tried a couple things: Response.ContentType = "text/txt"; Response.AppendHeader("Content-Disposition", "attachment; f...

Refresh problem when treeview node changed

I have a Treeview in a masterpage and a products page in child page. When i click treeview node i want to bind data to a gridview on the product page. protected void trvCategoryTab_SelectedNodeChanged(object sender, EventArgs e) { if (trvCategoryTab.SelectedNode.Value != string.Empty) { Response.Redirect("~...

Build a tree like representation of data in Excel?

I have a bunch of raw data in this fashion: Parent | Data --------------- Root | AAA AAA | BBB AAA | CCC AAA | DDD BBB | EEE BBB | FFF CCC | GGG DDD | HHH Which needs to be converted into a tree like fashion. This basically needs to end up in an excel spreadsheet. How can I convert the above data into ...

Mysterious, ghost-like, impossible-to-find TreeNode text

So I have a TreeView that starts off empty. Sequence of events is as follows: Add a new root node. Code makes the label edit box pop up immediately, and I give it a name. Add a new subnode to that root node. Add a new root node, after the first one. The label edit box pops up, and I give it a name. The second root node takes on its n...

Silverlight. Treeview overlap edge of containing control.

I have a treeview contained in a border that I want to use as a menu. I want the individual menus to drop down. This seems to be working fine except I want them to drop down over the edge of the border. Currently the are dropping down inside the border and thus can't be fully seen. Thanks in advance for your help. ...