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Great Reads

Advanced WPF TreeViews Part 2 of n

by Dirk Bahle

A list of advanced tips & tricks on Virtualized WPF TreeViews

Advanced WPF TreeViews in C#/VB.Net Part 3 of n

by Dirk Bahle, Alaa Ben Fatma

Tips & tricks on visting and searching nodes in WPF TreeViews

How to Create TreeView in MVC3

by Amey K Bhatkar

How to create TreeView in MVC

Displaying XML in a WPF TreeView

by Gil Yoder

In this article, I describe how to display data from a simple XML file in a WPF TreeView control.

Latest Articles

Advanced WPF TreeViews in C#/VB.Net Part 4 of n

by Dirk Bahle

Tips & Tricks on loading and saving WPF Tree View based content.

Advanced WPF TreeView with Multi-Level Binding (Code Behind - No XAML!)

by Peter Sun (247)

Demonstrate how to create WPF TrewView with multiple levels of HierarchicalDataTemplate from C# code-behind without XAML using MVVM for data binding

Advanced WPF TreeViews in C#/VB.Net Part 3 of n

by Dirk Bahle, Alaa Ben Fatma

Tips & tricks on visting and searching nodes in WPF TreeViews

Multiselect Treeview

by Er. Puneet Goel

This is the implementation of Treeview with Multiselect node functionality wide requested by users.

All Articles

Treeview

951022 - how to get all node of a radtreeview?

11 Jan 2017 by ilostmyid2

I don't use a data source for a RadTreeView. Instead, I add and remove the nodes individually. I use OnFilter to specify which nodes to be shown. When some nodes are hidden, in a part of my program, I need the list of ALL nodes including the hidden ones, while Nodes includes just the shown...

[C#] WPF checkbox treeview with templateselector

26 Jun 2018 by Member 13725613

Hi all, since a while im using the TreeViews with Checkboxes in WPF. I found a good solution here on this page: tps://www.codeproject.com/Articles/28306/Working-with-Checkboxes-in-the-WPF-TreeView However, I have problems to bring in a TemplateSelector correct into this code. I just want...

[Repost!] tree view hierarchy in asp.net

18 Dec 2013 by vikash99

-senorth -TA -dagul -aeegul -je1elec -vikasj(contractor)-senorth -TA -dagul -aeegul -je2elec -andy(contractor)how to implement this type of treeview plz help me...............

A simple generic TreeList

18 Aug 2010 by B. Verboven

Convert a generic list of (recursive) objects into a simple hierarchical TreeList

A simple generic TreeList

18 Mar 2012 by B. Verboven

This is an alternative for "A simple generic TreeList".

About using tag property in C# treeview

13 Jan 2021 by Thomas Kunkel

Hello, I want to ask about the use of Tag-property of TreeView component in WinForms, C#. I´ve used TreeView component previously with RAD-Studio / Delphi. In there, the Tag was a Pointer. In C# it is an Object. What I am having is a record...

About using tag property in C# treeview

12 Jan 2021 by RickZeeland

See this article: How to use managed pointers in C# | InfoWorld[^]

About using tag property in C# treeview

12 Jan 2021 by Chris Copeland

Have you tried changing the myRecordStruct from a struct to a class? class myRecordStruct{ double data1 double data2 double data3 List dataList } An issue with using struct is that they are passed-by-value, rather...

About using tag property in C# treeview

13 Jan 2021 by Maciej Los

Quote: ... can someone please explain how exactly that Tag works ? Well, i'd suggest to read the documentation: Control.Tag Property (System.Windows.Forms) | Microsoft Docs[^] TreeView Class (System.Windows.Forms) | Microsoft Docs[^] As to...

accordian panel on treenode click

5 Aug 2013 by aks.shan

Hi,I want to open a accordian panel on treeview node expand.How can i go ahead?Urgent plz-Akshay.

Add a name to a child Node in a treeview

6 Feb 2015 by Marcelo Ilardi

Simply,'If i have Mynode as New Treenode'While i'm reading my database'i define each parentNode and assign them a name, withMynode.name = x'But when i define my childNodes'i also want to give them a name'I want to write something like this, but this is obviously not...

Add a name to a child Node in a treeview

6 Feb 2015 by Richard MacCutchan

You need to find the child node from the TreeNode.Nodes collection[^] of the parent. Once you have the actual node then you can set its name.

Add a name to a child Node in a treeview

6 Feb 2015 by Marcelo Ilardi

MyNode.nodes(0).name=y

Add a note to treeview via button from another form

3 Jul 2016 by Member 12616737

On form 1 I have this button as a test public void button1_Click(object sender, EventArgs e) { treeView1.Nodes.Add("object"); }i want to do the exact same function but with a button on form 2Form1 Form1 = new Form1() public void...

Add custom control to treeview in c#

22 Feb 2014 by agent_kruger

i am developing an application based on treeview but stuck at a point. I want to add some controls to the treeview such as textbox and picturebox where the nodes are displayed. But i don't know how to replace tree nodes with (textbox and picturebox).Can somebody help me here?Thanks in...

custom-controls

Add custom control to treeview in c#

22 Feb 2014 by Ravi Bhavnani

See this[^] CodeProject article for a starting point on how to do this. This example demonstrates how to add a ComboBox to a node, which you can extend to other types of controls./ravi

custom-controls

add node to treeview

28 Nov 2015 by _Tuba

Hi, I'm trying in this code to add node from textbox to treeview if this node equal to node that is found in treeview the new node must be next old node and have color yellow the problem when I click to the button nothing happen for (int i = 0; i

add node to treeview

28 Nov 2015 by BillWoodruff

Instead of using: string p = treeView1.Nodes[i].ToString();use:string p = treeView1.Nodes[i].Text;Calling 'ToString on a 'TreeNode will return something like:"TreeNode: Node0"I suggest you revise your question and clarify:0. you say you have sub-nodes, but the 'for...

add one listbox to one treeview

11 Aug 2010 by Richard MacCutchan

If you are using MFC (or even pure Win32) then I would suggest using a splitter window with a treeview in one pane and a list view in the other. Alternatively you could show a dialog with a listbox on every tree node selection. Your question is really too general to give a definitive answer in...

Add selected item in listbox to treeview

21 Nov 2015 by Richard MacCutchan

Use one of the insert methods as described in the documentation[^].

Adding nodes and child nodes to TreeView from a string

2 Aug 2013 by Ghulam Ali

I am getting files and folders of a directory in cmd prompt from where I am getting those files and folders information in a string in c# windows forms application using Stream ReaderSo, following is my string which I displayed in a messageBox /sdcard/Music/:----rwxr-x system sdcard_rw...

Adding nodes and child nodes to TreeView from a string

2 Aug 2013 by parmar_punit

I think this can be helpful to you...TreeView for .NETand check this one tooTreeView Example

Adding table values to a treeview?

14 May 2014 by NickHallick

I am using Vb 2008 express edition and am very new to treeviews. i have basic knowledge of how to connect to a database. the database i am working with is a microsoft access database and has a large amount of tables with various information. two of these tables i need to put into a treeview. one...

Adding table values to a treeview?

14 May 2014 by wikus70

You'll have to play around a bit with this code to get it working for you. Database connection and data selection:Dim Connection As New Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=YourDatabseName.mdb;")Dim Command As New Data.OleDb.OleDbCommand("SELECT * FROM...

Adding table values to a treeview?

15 May 2014 by Maciej Los

Have a look here: Loading a TreeView using HierarchyID[^].There is a sample algorithm implementation for sql server database, but the main idea is the same. You need to change it to your needs.

Advanced WPF TreeView with Multi-Level Binding (Code Behind - No XAML!)

21 Dec 2017 by Peter Sun (247)

Demonstrate how to create WPF TrewView with multiple levels of HierarchicalDataTemplate from C# code-behind without XAML using MVVM for data binding

Advanced WPF TreeViews in C#/VB.Net Part 4 of n

22 Dec 2017 by Dirk Bahle

Tips & Tricks on loading and saving WPF Tree View based content.

Advanced WPF TreeViews in C#/VB.Net Part 3 of n

8 Dec 2017 by Dirk Bahle, Alaa Ben Fatma

Tips & tricks on visting and searching nodes in WPF TreeViews

Advanced WPF TreeViews Part 2 of n

22 Sep 2017 by Dirk Bahle

A list of advanced tips & tricks on Virtualized WPF TreeViews

After Binding data - No color change to child Node - Telerik treeview

2 Oct 2011 by vivek886

I have bound the data to the tree view using dataset. Now I have even set the color of Parent Node. But unable to apply the color or style to child node after binding the data.Please help?.cs file code SqlDataAdapter da = new SqlDataAdapter("select * from Menu_Modules",...

Align buttons on wpf treeview

19 Dec 2011 by Member 8134835

Hi ,I am looking for a way to align the buttons in my treeview so that it will look like in the same column even if it is in any level. Eg:Item1 [Button] Item2 [Button]Item3[Button] i want it to look likeItem1 [Button] Item2 [Button]Item3 [Button]

Align buttons on wpf treeview

19 Dec 2011 by Abhinav S

Try by setting the minwidth on the treeview elements and then right align the buttons.

Align buttons on wpf treeview

19 Dec 2011 by Sergey Alexandrovich Kryukov

I won't advise you to do so. You could really invent some better UI design, really. The tree structure will be less visible, but what's more important, you will have a change to truncate a part of the item text; and it's pretty hard to adjust the room taken by the text on left and measure a left...

Asp.net Tree View Edit Delete And insert using context Menu and popup extender

23 Aug 2012 by Traybabu

Hai am developing a webapplication of tree view with adding delete and insert the nodes dynamically from data base and while node right click i want context menu and in that link i want popup a model popup extender and my problem is on left click am getting the selected node but my context menu...

Asp.net Tree View Edit Delete And insert using context Menu and popup extender

2 Feb 2014 by User 5149409

Looking for the same...............

Asp.net Tree View Search & Drag and Drop

27 Apr 2015 by Member 11014751

Hello,I am using Asp.net Tree View i have bind data from database, now i want search Nodes functionality and Drag & Drop functionality which update data in database on drag and drop? Please provide me a example or sample code.This is my Code :

ASP.NET TreeView Automatic Numbering using CSS

5 Oct 2012 by TheCoolCoder

Numbering for Multilevel ASP.Net Treeview using CSS Counters

web_development

Asp.net Treeview ChildNodes.

14 Mar 2013 by avinash_thakur86

here i have this code where i want to delete all the entries from database which are unchecked in the treeview checkbox. i am able to reach only till the parent nodes.my code doesnt reach till childnodes. kindly help.p.s. i dont want to delete the nodes, i just want to find out which nodes...

Asp.net Treeview ChildNodes.

14 Mar 2013 by csharpbd

I think you make a simple mistake. You need to find Child Nodes so your loop must be go through the "tn.ChildNodes". see below code block...Your code:if (tn.ChildNodes.Count > 0){ foreach (TreeNode Ctn in TreeView1.Nodes) { SqlCommand com = new SqlCommand("Delete From...

Asp.net Treeview ChildNodes.

14 Mar 2013 by Osama Bin Laden　2012

You want to delete unchecked nodes . is it?

Asp.net Treeview ChildNodes.

14 Mar 2013 by avinash_thakur86

i want to delete the database entries of all unchecked nodes including parent and child nodes.

ASP.NET Treeview color single valuepath

30 Jan 2012 by Georg Machacek

HAllo,I would like to color single valuepaths in a treeview.So that my users see where to navigate.Any idea?thxGeorg

Asp.net treeview with columns using C#

14 Aug 2013 by muhd syafiq

I need a multi columned Treeview for a website I am develop, I was wondering if anyone knew of a free working (in Vs-2010) multi columned Treeview. I have found some example here but it's in window form. I don't know how to implement it into my project..anyone please help me..

Asp.net treeview with columns using C#

15 Aug 2013 by ridoy

You can have a loo at this..GridViewTree[^]

Assign TreeNodeCollection through TreeView.Nodes

3 Jul 2013 by sasen903

I have declared a TreeNodeCollectionpublic TreeNodeCollection NewTreeCollection ;NewTreeCollection = MyTreeview.Nodes;Now in tabIndexChanged(object sender, EventArgs e) //event{//I am storing the NewTreeCollection into a global class objectInterfaceData.tnCollectionNodes =...

Assign TreeNodeCollection through TreeView.Nodes

3 Jul 2013 by Richard MacCutchan

You need to make a copy[^] of the original before clearing it. Remember, when you initialise the reference with:NewTreeCollection = MyTreeview.Nodes;that NewTreeCollection is merely a reference (pointer) to the original, not a copy of it.

Assign TreeNodeCollection through TreeView.Nodes

3 Jul 2013 by Ron Beyer

You're "global" class object is just a reference to your local object. Whatever operations you perform on your global object, also get performed on your local object (and vice-versa). Think of your global object as a pointer to your local object, not a copy of the object.In order to do what...

Assistance with Document Libraries, TreeView and recursion

22 Feb 2014 by spsullivan

Gentlemen/Ladies, I am at wits end. I need to know how to loop through a document library, creating a tree view in order to show a 'table of contents' if it were in a SharePoint 2010 Web Part. Using Visual Studio 2010 and an asp.net tree view control. I am new to asp.net as well as working...

Assistance with Document Libraries, TreeView and recursion

2 Mar 2014 by spsullivan

Never mind, the solution was too easy to see, only about 15 lines of code.

ASTreeview for commercial purpose

31 Aug 2011 by dotdeveloper2008

It found that ASTreeview control source code is available in Codeproject and there it is mentioned as FREE to user under the Code project Open Licence. But in the ASTreeview site it is saying need licensing for commercial purpose. I am looking for a treeview control with drag and drop function...

ASTreeview for commercial purpose

31 Aug 2011 by Marc A. Brown

Your best bet would be to ask in the comment section for the CP article[^], although based on the licensing and pricing page on the control's licensing and pricing page[^] on the website, it looks like you're going to have to pay for any but non-commercial/educational use. As a matter of fact,...

ASTreeview for commercial purpose

31 Aug 2011 by Abhijit Jana

The best way to get the answer of this question to asking the same in that article discussion forum. On post, Author will get a email notification ( If he opt for the email notification. Hopefully yes :) ) so that he can update you on the licensing stuff.

Automatic build of a treeview

28 Oct 2010 by SuperAdministrator

Hello,I am trying to automatically build a tree view by giving it the following values.number of levels :Nlevelsnumber of children in each level: NchildrenAtEachLevelIs this doable?Any help would be highly appreciated.

Automatic build of a treeview

28 Oct 2010 by Pawan Kiran

Equal No of Childs For Each Parent NodePrivate Void FillTreeView(Treeview Tv,int NoofParents,int NoofChilds){ for(int i=0;i

Automatic build of a treeview

28 Oct 2010 by qontary

Try this. I modify the code posted by Mr. Pawan Kiran.private void FillTreeView(TreeView Tv, int NoOfLevels, int NoOfChildsOfEachLevel) { if (NoOfLevels

Bind treeview with values of one column of a table as parent node and other column values as Child node in vb.net

20 Jan 2014 by Member 10536862

Well for example, I have a table named Country and it has two columns Country name and city name, in column 'country name' i have name of different countries and in column 'city name' I have name of cities. If the value in country name column is USA than the value in city name column will be any...

Bind treeview with values of one column of a table as parent node and other column values as Child node in vb.net

20 Jan 2014 by Christian Graus

select city from Country where country = @countrywill get you the data you want. select country, city from Country order by countrywill get you the data in order so you can build a tree view, jumping to a new node when the country name changes.You have not indicated if you're...

Bind treeview with values of one column of a table as parent node and other column values as Child node in vb.net

4 Apr 2014 by Er Badboy

DEAR SIR,I HAVE A SQL TABLE AND FIELDS ARE FORMANME, FORMVAL BIT , AND THREE ANOTHER FIELDS THAT HAVE ONLY VAL IN BITAND NOW I WANT TO LOAD THESE VALUE IN TREEVIEW IN VB.NET2008 SP1LIKE AS FIRST TREE NODE IS MODULE AND WHEN I CLICK MODULE THEN LOAD FORM NAME IN PARENT OF MODULE...

Bind xml to treeview control in wpf, mvvm

18 Nov 2013 by Ramana Bellary

I have a xml with the format as shown below RecipeFamily1

Bind xml to treeview control in wpf, mvvm

18 Nov 2013 by Tesfamichael G.

I think this would help:http://www.codeproject.com/Articles/26288/Simplifying-the-WPF-TreeView-by-Using-the-ViewModehttp://www.codeproject.com/Articles/317766/Displaying-XML-in-a-WPF-TreeView

Binding Treeview to SQLHierarchyId

29 Sep 2011 by eTAg7

How do I display my parent child data structure in a treeview? I would like to use the sqlHierarchyId.Below is a sample of the class Objects and the end result that we would like to display.Public Class PageEntry Private _id As Guid Public Property Id() As Guid ...

Binding treeView with recursion

21 May 2013 by Nnorss

Hello, I'm working on Visual Sudio and this is the my first time with treeView. My project has a ADO .NET entity data model of and SQL database, I have 3 tables with relations:Category (idCategory, nameCategory)subCategory (idSubCategory, nameSubCategorie, idCategory)Articles (idArticle,...

Binding treeView with recursion

21 May 2013 by Prasaad SJ

You can put all the data into class like in your caseclass CategoryCalss{public string idCat;public string nameCat}class suCateClass{public string idSubCat;public string nameSubCat;public string idCat}class ArticClass{public string idArt, public string name, public string...

Browsing android mobile files and folders using c# (tree view files explorer)

31 Jul 2013 by Ghulam Ali

Can any one tell me how I can browse files and folders of a directory of android mobile using c# tree view control or any other control.I have tried adb command ls -RBut I am not able to make nodes and child nodes of tree View on the basis of files and folders from adb shell as it does not...

C# - parsing string into tree in treeview control

13 Apr 2016 by Gun Gun Febrianza

i wonder how and what is the best method to create a data tree from particular string with specific pattern into TreeView Control in c#?For example i have input string like this :(program (statements (statement (var_declaration (primitive_type string) (identifier a) = (expression "hi")...

C# - parsing string into tree in treeview control

13 Apr 2016 by OriginalGriff

This example uses "(" and ")" - but that's a trivial change: c# - Tree structure as string - how to match nested braces? - Stack Overflow[^]

C# - parsing string into tree in treeview control

13 Apr 2016 by BillWoodruff

As Sergey suggested, the "big win" here would be to get whatever is producing your data formatted as string into JSON, or XML format; parsing those formats to a Tree data structure, or creating a populated TreeView Control using those formats, is straightforward.If you are going to try and...

C# datagridview with treeview column

13 Dec 2020 by Taher El Marengoze

I am trying to learn how to make custom controls. I am trying to make a dataGridView with a Treeview Column (Cell Editing control not how the data is displayed in the cell) based on this article Here. But I can't tell my code how to take the...

custom-controls

C# datagridview with treeview column

13 Dec 2020 by Gerry Schmitz

You don't put a "treeview in a cell"; the best you can hope to do is link to a tree view (somewhere) based on the value in the cell. (like a BOM#). The article discusses the "Date Picker"; which "lauches" a (.NET) calendar type control; it's not...

custom-controls

C# datagridview with treeview column

13 Dec 2020 by BillWoodruff

See: [^] for an article on a TreeListView here. There are lots of 3rd. party controls, like DotNetBar: (commercial) [^]. Using what the ToolBox provides: consider a SplitContainer with a TreeView in Panel1, and a DataGridView in Panel2 ... or a...

custom-controls

C# How to show structured list in a TreeView

30 Jun 2013 by kaengraeng

Hey guys,I have a problem which I cant solve yet. I just need a hint, how to solve it.Problem:I get the following list from a sql query:GROUP:01. Employees/Administration01. Employees/Managment01. Employees/Sales...02. Type/Member02. Type/Customer...and so...

C# How to show structured list in a TreeView

28 Jun 2013 by Mahesh Bailwal

I created sample for this. Hope it will helpdata.txt Employees/Administration/TeamleaderEmployees/Administration/ManagerEmployees/Sales/ManagerEmployees/Sales/Executive string []str = File.ReadAllLines(@"D:\data.txt"); TreeNode root = new TreeNode(); ...

C# How to show structured list in a TreeView

30 Jun 2013 by kaengraeng

Ok i figured it out now. Please see below my code sample, which works fine for me so far.string[] str = File.ReadAllLines(@"C:\test\test.txt"); TreeNode root = new TreeNode(); root.Text = "All"; foreach (string s in str) { ...

C# TreeView Check/UnCheck all child items

4 Feb 2013 by Андрей Петрович

I'am not one who mess with it. That probably .NET or "user32.dll" bug. http://social.msdn.microsoft.com/Forums/en-US/winforms/thread/9d717ce0-ec6b-4758-a357-6bb55591f956/

C# TreeView Error Out of Range Index

16 Jan 2012 by j_coleman21

I'm attempting to dynamically build a treeview from data that I'm pulling out of a database. Some parent nodes have a child node while others do not, and some have a grand child while other do not. I'm attempting to use the code below but I'm getting a compiler error "Specified argument was out...

C# TreeView Error Out of Range Index

15 Jan 2012 by BillWoodruff

The first question that comes to mind is: have you searched CP and StackOverFlow and the MS docs for how to data bind to a TreeView ?Second: Are you dealing with a case here where: the possible "depth of nesting" in the TreeView is #2 or #3 ?My impression is that you describe a case...

C# WPF TreeViewItem and TabControl Linking?

28 Oct 2012 by pavankumar88v

Hi All,I am developing an WPF application.Which has a WPF TreeView, Frame and TabControl.When i Click on any of the treeitem the corresponding frame and the corresponding tabitem should come into view dynamically.But Now When i select an treeitem, the tabitems are coming into view...

Can not obtain dialog's background bitmap from treeview's subclass procedure

4 Apr 2014 by AlwaysLearningNewStuff

I have a dialog box with a bitmap as background.I am trying to create transparent treeview so I need to grab the underlying bitmap from treeview's WM_PAINT handler, but I do not know how to do this.I assume that I will need ScreenToClient and ClientToScreen APIs, but I do not know how to...

Can not obtain dialog's background bitmap from treeview's subclass procedure

4 Apr 2014 by KarstenK

you must transform with the right HWNDHWND hParent = GetParent(hwnd);ClientToScreen( hwnd, &ptTreeUL );ClientToScreen( hwnd, &ptTreeLR );//dont write such code ;-)ReleaseDC( GetParent(hwnd), pDC );tip: create the bitmap globally once to improve performance

Cannot looping through wpf treeview parent and its child node ...i get parent node value but its child return null value.

22 Mar 2016 by Ram_Awadh

Cannot looping through wpf treeview parent and its child node ...I get Parent node value but its child return null value.Below is my WPF treeview and #code how it is binding . I am using DataContext to bind data , which is working fine . I want to hide / show the ImgLogin image to...

Cannot looping through wpf treeview parent and its child node ...i get parent node value but its child return null value.

22 Mar 2016 by TABiSH777

Use this Helper method in code behindT GetVisualChild(DependencyObject parent, string name) where T : Visual { T child = default(T); int numVisuals = VisualTreeHelper.GetChildrenCount(parent); for (int i = 0; i

Change node color in treeview

22 Aug 2018 by Member 12926744

Hi All, I have a treeview with nodes.I am implementing searching through treeview nodes .Once matching node is find ,the node color should be changed .it is working fine ,but the problem is while searching for a new node the previously searched node color is also changed . Any help will be...

Change node color in treeview

22 Aug 2018 by Vincent Maverick Durano

That's because you are setting the color with a div element. Once that's been rendered in the client/browser, it will remain there. Your else block of your code will still hold the Text with the element to it. You would need to implement a bit of text parsing to resolve that. Here's a...

Change Text of a Tree Node in treeview c# win. form

25 Jan 2023 by agent_kruger

How to restrict somebody from entering text in a tree node. I want to check after "treeView1_AfterLabelEdit" that if the text inserted is already saved. If yes, then the inserted text should be changed to "New". How to do so?

Change Text of a Tree Node in treeview c# win. form

20 Feb 2014 by Krunal Rohit

/* Get the tree node under the mouse pointer and save it in the mySelectedNode variable. */ private void treeView1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e){ mySelectedNode = treeView1.GetNodeAt(e.X, e.Y);}private void menuItem1_Click(object sender,...

Change Text of a Tree Node in treeview c# win. form

11 Jun 2018 by pickwickkim

Also, the node must be updated after Label change as: // Stop editing without canceling the label change. e.Node.EndEdit(false); //now, update node by Text (this also changes node.fullpath) e.Node.Text = e.Label; See MS site, too, below. TreeNode.EndEdit(Boolean) Method...

Change Text of a Tree Node in treeview c# win. form

25 Jan 2023 by SerkanBB

Instead of displaying a messagebox in case of any invalidated chars in your new label you can replace with valid chars for treeview or xml; public static class StringExtension { public static string Clean(string s) { return new...

Changing Mouse Icon While Drag & Drop In Treeview

29 Jul 2013 by Eran SMS

Hello All,I am looking for simple code in VB.NET where implementing drag & drop including changing the mouse icon when dragging and dropping.I know there are many articles and examples , but i am kind of lost between them ...just need a direction where should apply the icon change...

Changing Mouse Icon While Drag & Drop In Treeview

29 Jul 2013 by syed shanu

Hi,To change the mouse Pointer in vb.netMe.Cursor = Cursors.HandCheck this link, Hope so it will help you while Drag and Drop.http://stackoverflow.com/questions/5206999/change-cursor-as-feedback-in-dragdrop-vb-net-2010[^]Custom Mouse Cursors (VB.NET)[^]

Check box treeview event asp.net c#

7 Aug 2012 by Franco Cipriano

Hi,I am trying to create a code where if I click the Parent node it will check all the childnode under that parent node. I used the OnTreeNodeCheckChanged event. But when I click the parent nodes it won't work. Here is my code behind:protected void trSubInd_CheckChanged(Object sender,...

Check box treeview event asp.net c#

19 Feb 2013 by chandrika patel

I check the Parent node it will check all the childnode under that parent node without OnSelectedNodeChanged event.

Check box treeview event asp.net c#

3 Jul 2014 by Member 10684571

use below javascript to check all the child node when you check parent node $(function () { $("[id*=TreeViewForMasters]...

Check box treeview event asp.net c#

21 Jan 2015 by Er Atul Sharma

TreeView.SelectedNode.Checked = true;To check all the child-nodes you can do the following: foreach (TreeNode node in TreeView.SelectedNode.ChildNodes) node.Checked = true;

Class For Treeview in Silverlight

8 Feb 2012 by no_-_namee

Hi,I want to write a class for treeview structure in my project.There are three properties in my class, which named "Id,Name,Children ". But I should put a control like datagrid,button, or accordion menu as child to parent.Can I do this, if yes, How can I determine this ?Thanks for the...

Class For Treeview in Silverlight

8 Feb 2012 by BillWoodruff

Beginning with .NET 3.0, SilverLight has a TreeView Control[^].CP has articles on SilverLight TreeViews[^], [^], [^]There's a SilverLight TV on CodePlex:[^].

Click on treeview and item selected

23 Feb 2012 by druscelli

I would like to retrieve what item has been clicked on in the treeviewvoid CListaDevice::OnClickTree(NMHDR* pNMHDR, LRESULT* pResult) { *pResult = FALSE; CPoint pt; GetCursorPos( &pt ); m_wndTreeDevice.ScreenToClient( &pt ) ; UINT nFlags = 0; ...

Click on treeview and item selected

23 Feb 2012 by druscelli

I solved using TVN_SELCHANGED eventbut however before or later, I will have to test what item has been clicked in the NM_CLICK message

Code behind create treeview

3 Jul 2013 by melvintcs

currently i use code below at the client side to create the treeview. now, i plan to remove the code above and build it at code behind. i tried this code, but it doesn't work;TreeView TreeView1 = new...

Code behind create treeview

3 Jul 2013 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Have you added the control to form like below?this.Form.Controls.Add(TreeView1);

Collapse all nodes in treeview, except the last expanded one

14 May 2014 by AlwaysLearningNewStuff

INTRODUCTION AND RELEVANT INFORMATION:I need to implement the following scenario:1. User expands a node, e.g. Node 1;2. User expands another node, e.g. Node 2;3. Collapse previous node ( Node 1 );To visually explain what I mean, we shall use the following example...