access controls

The DetailsView control is used for the project. In EditItemTemplate, You need to initialize a DropDownList data. I tried to use the FindControl method in the ModeChanging or ModeChanged event of the DetailsView control to obtain access to the target control, but all failed. I used the DropDownList_DataBinding event to solve the problem. I added the onDataBinding event command to the DropDownList IN THE TemplateField OF THE DetailsView control. Then

Public Sub New () MyBase.New Form1 = Me InitializeComponent () Add the initialization component's code under InitializeComponent () Me.LinkLabel1.Text = "http://www.bianceng.cn" ' URL LinkLabel1. linkvisited = True ' flag visited links LinkLabel1. LinkColor = color. Black ' link color LinkLabel1. VisitedLinkColor = color. Blue ' visited link color End Sub Here is the event triggered by the LinkLabel click Protected Sub Linklabel1_linkclick (ByVal sender as Object, ByVal e as System.Ev

be accessed directly across threads in WinForm. So how to solve this problem, there are several scenarios. In the first scenario, we add a code to the Form1_Load () method: private void Form1_Load(object sender, EventArgs e) 　　　　　　 { 　　　　　　　　　　　 Control.CheckForIllegalCrossThreadCalls = false; 　　　　　　　　　　　 Thread thread = new Thread(ThreadFuntion); 　　　　　　　　　　　 thread.IsBackground = true; 　　　　　　　　　　　 thread.Start(); 　　　　　　　 } After adding this code, you will find that the program is working co

If you've never had access to permission control before, listen to a little story: Xiaoming is a freshman of five crossing Industrial College, recently he is a little annoyed, because the roommate often use his hot water pot, as if it is his own home, but due to the classmate sensibilities, and embarrassed to say. Until one day, he and learn elder sister small K spit Trough. After listening to the elder sister, said: College Collective, most of the

The following is the question: The main object of the access control is the document object. Corresponds to all (sub-objects) personal views of the current document. Several methods are provided to access objects. 1. Document. getelementbyid 2. Document. getelementsbyname 3 Document. getelementsbytagname 4 Document. All The following describes how to use the above methods: I. First, let's talk about the usa

Problem: There is a control on webform, which is best to be able to access the database in real time. Once there is a change in the database, it submits data to the client and displays the latest data. Analysis:Because the client needs to be updated, the front-end clock function of JS must be used. The server has changed, and the client needs to be refreshed to update the data. How can we not refresh the data or refresh the page falsely, that is,

Asp. NET controls include Web server controls, Web user controls, Web custom controls, HTML server controls, and HTML controls. The differences between HTML controls, HTML server

In the evening, I learned about single-choice controls and single-choice group controls, Check controls, and check group controls. A little bit of brains, made a small web page program. The main function is to assign values to each other. The font size and color of the tag have been set to the front and back background

Drawing Mobile Version plug-in 6.0 (MxDrawAndroid6.0), using the display core of two-dimensional control, and specifically for mobile phone display CAD drawings to do a fast optimization , is currently the fastest display DWG files on the phone software. Dream CAD software 5.2 (MxCAD5.0), using the display core of two-dimensional control, fully autonomous two-dimensional CAD drawing software, simple program, fast running, full-featured, stable and reliable , compatible with all versions of the

– Popup – Radiodelegate – Rangeslider – Roundbutton – ScrollBar,Scrollindicator ScrollView(Qt Quick Controls 1) Qt Quick Controls 1: The ScrollView provides similar functionality. It combines horizontal and vertical scrollbar and a background page that surrounds the scro

Differences between HTML controls, HTML server controls, and web server controls The key to the convenience and quickness of Asp.net development is that it has a set of powerful control libraries, including Web server controls, Web user controls, Web custom

The reason why Asp.net is Development The key to being convenient and quick is that it has a powerful control library, including Web server controls, Web user controls, Web custom controls, HTML server controls, and Html Controls. Here I will mainly talk about the diff

Layout:　　　　　　Anchor: Lock PositionDock: Fill Location　　　　　　　　　　　　　　---| The general dock is used in conjunction with container controls |--- Container controls:Panel: is a region, similar to a div, can be individually laid out, and allows other controls and containers to be laid out inside it againFlowLayoutPanel: Streaming layout container, the content will default from left to right, if the width is

Good text to the top concern me to collect the article Xu ChunFollow-1Fans-30 0User controls:Use layouts to consolidate multiple controls into a single control, modify them to suit your needs, and modify all controls and control properties within a user controlTo create the add control dynamically:1 // Defining control Types 2 New Button (); 3 // Control Name

webform--server controls are Webform with client controls, that is, BS, browser apps. With regard to servers and clients, in WebForm, the server is equivalent to the background (that is, where the C # code is edited) and the client is the foreground (that is, the HTML page). Usage: ① If you want to invoke the JS or jquery function of a client control in a server control, you must add the OnClientClick prope

webform--server controls are Webform with client controls, that is, BS, browser apps. With regard to servers and clients, in WebForm, the server is equivalent to the background (that is, where the C # code is edited) and the client is the foreground (that is, the HTML page). Usage: ① If you want to invoke the JS or jquery function of the client control in the server control, you must add the OnClientClick a

Menus are the main way for users to get the main features and utilities in an application, such as creating a new file, opening a file, and so on, which requires a menu control (MenuStrip). Toolbar another common way to get the main functionality of your application is to use a toolbar control (ToolStrip), which is more intuitive than a menu. The status bar is used to display brief information about the state of the user, which requires a status bar control (StatusStrip).One, MenuStrip

Directory Overview Function How to use Reference Help OverviewThe source code consists of three items, Bmap.net, BMap.NET.WindowsForm, and BMap.NET.WinformDemo. Bmap.net For some packages of the Baidu map Web Service API, each interface returns a Jobject type (see Json.NET); BMap.NET.WindowsForm (began to write less a s, and then has not changed) Provides a series of controls that you can use in Wi

First step: Create a WinForm form application and lay out the layout as shown.Step two: Set properties for Comboxbox controls, Checklistbox controls, and ListBox controls and Button controlsStep three: Declare two private arrays in the form class in your code.Private string[] Names;private string[] nums;Fourth step: Initialize the array in the form class and do a

Android cainiao study note 13 ---- Android controls (2) simple examples of custom controls, android Custom Controls Sometimes, you may feel that the control provided by the system is too ugly, and you need to customize the control to achieve the desired effect. The following is a reference to the first line of code. 1. Customize a title bar: The title bar that co