treeview example

is how to obtain the project selected at each level in the Treeview of this department? For example: Here is just an example to illustrate, so let's just make it simple. As shown in the figure on the left, our task is to get the selected Department through a program and send the information to the next business scenario, in the traditional Asp.net. the

The Treeview control is often used in winform development. For example, we often use it for Layer Control when developing GIS. Treeview has many attributes that can be customized to change its appearance. However, if you still cannot meet your requirements, you do not want to spend money to buy better controls, use the custom rendering function provided by

an appended HTML object (including TD, A, inputcheckbox ......), There is no way to add a client script. Therefore, add a script to The onclick event of the Treeview control client. The script aims to determine all objects that cause the event. If it is an event caused by an inputcheckbox object, call _ dopostback to send the page back and forth. As for the background code, the idea is simple. recursively select the relevant node and set its checked

This function has time to do. Take notes first!ArticleReprinted: http://hi.baidu.com/51zt/blog/item/d8bffe19c28a527adbb4bde5.htmlASP. NET 2.0 reads data from the database to generate a hierarchical structured Treeview These days, I helped my friends study an e-commerce website. When I encountered an item classification problem, I wanted to use the Treeview control to create an infinite classification tree

(user.Value.ToString() == curentNode.ToolTipText.ToString()) 10: { 11: TreeNode userNode = new TreeNode(user.Key); 12: curentNode.Nodes.Add(userNode); 13: } 14: } 15: } 16: } C # In winform development, if too many treeview nodes lead to slow loading, how can we provide efficiency? You can choose to attach and load the data of the parent node first, and then load the data of the chil

Asp.net|treeview #region Statement //---------------------------------------------------------------------- // Author: Li Miao (nick.lee) // Asp. NET environment, the complete TreeView Control Usage Scenario Class // Time: 2005-2-17 Boyorgril@msn.com qq:16503096 // //---------------------------------------------------------------------- #endregion Using System; #region Custom Namespaces (REUSABLE) Call itse

Summary: In VB6, the TreeView is often used to represent hierarchical data, but the related code that interacts with the database requires a lot of manual coding; In vb.net, because of the enhancement of the data binding function and the enhancement of language features, it is easy to bind the TreeView to the hierarchical data, this article will first establish a dbtreeview that inherits from the

Generally, you can use the DropdownList control to select a single data item. However, it is best to use the TreeView control to implement multiple selective input and hierarchical input. This article describes how to use the TreeView control to effectively obtain user input, it involves knowledge points such as cascade selection of the TreeView control, removing

Simple usage of jQuery treeview, jquerytreeview The treeview plug-in is used for recent projects, and you just need to sort out the relevant information.　 1. Document Tree example The simplest example is the implementation of the document tree. Shows the effect. 　　 Contains several files. For details, please download i

treeview| Control Recently made a small software, a file browser, compared to Windows Explorer, you can view the contents of the file, rather than external programs open, support a variety of file formats, and later prepare to join the content-based search (intended to use the open source of the Dotlucene component). It needs to serialize the tree control, look up a lot of information, in CodeProject find a vb.net write, find a code converter into C #

treeview|xml| Create | control | execute Execute the TreeView control in order to be more perfect, listing 4 contains the final Treevie controls for vb.net version, or C # versions two editions. To make it easier to use, I redefined the structure and code. It also adds KeyDown control to support some of the default shortcuts, such as: Control-n (New), F2 (edit), and Del (delete). There seems to be no need t

nodesOxml. Free;End; End. Note the treeview1.items. addchildobject method of Treeview in the program. The last parameter is used to save the relevant data of the node. It is a pointer-type data, so be careful when using it. In this example, first define a record type, then define a pointer to it, and then use it as the last parameter of addchildobject. Record types can save many related node parameters

This example describes a custom drawing method for a TreeView node in C #. Share to everyone for your reference. Specific as follows:if (E.state treenodestates.selected)! = 0) {//Demo for Green Bottom White e.graphics.fillrectangle (Brushes.deepskyblue, E. Node.bounds); Font Nodefont = E.node.nodefont; if (Nodefont = = null) Nodefont = ((TreeView) sender). Font;

(object sender, RoutedEventArgs e) { // Obtain the TextBox Control defined in TreeView. ItemTemplate. TempTextBox = FindVisualChild // Set the Visibility of the TextBox The property isVisible TempTextBox. Visibility = Visibility. Visible; } The following function uses the VisualTreeHelper. GetParent () method to obtain various controls on the visual tree. When we click the TreeView node, we can search and

Previously, the Treeview binding function was used. (. NET 2.0) The data table mainly uses three fields: tree_id, tree_name, and follow_id. Here, follow_id is the upper-level ID (the name may not be properly obtained) Code Exist here for future viewing The following is an example process: Imports Microsoft. VisualBasic Imports System. Data. sqlclient Imports System. Data Imports System. C

treeview| data Summary:In VB6, the TreeView is often used to represent hierarchical data, but the related code that interacts with the database requires a lot of manual coding; In vb.net, because of the enhancement of the data binding function and the enhancement of language features, it is easy to bind the TreeView to the hierarchical data, this article will fir

Most of us have used the TreeView control, and the evaluation of this control is also diverse, but I think it is a free open-source control, so I still use it. ASP. NET, remember to create a permission tree for assigning permissions. At that time, I only knew this tree. After a day of research, I found out the basic behavior of the server, however, due to the limited js level at that time, I was very afraid of the client code and had never seen it. At

How to create a web-based folder treeview and foldertreeview Folder treeview Effect This treeview is used in many scenarios in actual projects. Since many applications are used, we can do it all over again. Although it is not comprehensive, We need to basically implement it all over again. 1. Prepare the icon materials first. File.gif, file icon Folder.gif, icon

The example in the previous section only demonstrates the basic framework of the TreeView program and does not include any data. In this example, we need to add our own data. First, should the data be added to that object? By the way, it is the ListStore Class Object musicList. We want to add data to it. The following code adds two rows of data: Code highlightin

Most of us have used the TreeView control, and the evaluation of this control is also varied, but I think no matter how it is a free open source control, so I still use it. In the first contact with ASP.net, remember to do a permission tree to assign permissions, at that time only know that there is this tree, after a day of research on its server-side behavior basic and get clear, but because of the level of JS at that time is limited, so the client